"NDSolve::femper" Error in Solving Coupled Nonlinear PDEs

Parsing error [bug?] with systems of nonlinear PDEs, Mathematica 12.0.0


Evaluate Initialization cells at startup

Is there a way to "lock" some cells in a notebook?


Making a equation smaller and more readable by using another variable

Find subexpression to minimize leafcount after replacment with temporary variable


why is there an unsimplified 0 term in an evaluated expression?

Mathematica won't simplify multiplication by zero


CloudDeploy a Manipulate with dependent functions


How to understand this behaviour of GeoRange and GeoGraphics

Why does the GeoGraphics Frame show different Latitude than GeoPosition?


Purpose of seemingly repeated definition

What does the construct f[x_] := f[x] = ... mean?


Is there a way to use identities in Mathematica efficiently?


Series expansion in variables with different indices

Multivariable Taylor expansion does not work as expected


Please help me with using ListDensityPlot

How do I draw a DensityPlot in polar coordinates?


Estimate the expected distance between two random points on the unit $n$-sphere

Estimation of the expected Euclidean distance between two random points on a unit $n$-hemisphere


Can't plot derivative of Hankel function

General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?


Memoization Involving More than one Variable

Functions that remember some arguments while not remembering other arguments


Plot a quadratic bezier triangular patch


The solution of only one equation being recorded, when all solutions should be recorded

Solving two parametric ODEs and then plotting a curve derived from the solutions with respect to the parameter


Computing polynomial eigenvalues in Mathematica


Generation of restricted increasing integer sequences


How to draw random colorfull domains in a plane?

How can I draw such faceted triangle patterns?


How to print highest power of a polynomial first

Why does Mathematica order polynomial forms in reverse from traditional order?


Why the "Sum" function becomes extremely slow at a specific size of matrix? How to AVOID it?

Sudden increase in timing when summing over 250 entries


How to numerically solve this partial differential equation and plot the output?


Speed up my own Orthogonalize and QRDecomposition


The command Total sums the entries of a list, is there a comparable command for the product of entries of a list?

Most Efficient Way to Calculate the Product of All Items in a List?


Finding the intersection of a curve with an interpolation function


How to find an equation of a line using Mathematica

Equation of straight line with given points


I have a list of points, how do I find the equation of the line


How to remove Null plot markers in QuantilePlot?


How to change plot markers in ListPolarPlot

ListPolarPlot broken by PlotMarkers & Joined


How to construct the direction field for y' = y- cos\[Pi]/2x

How can I plot the direction field for a differential equation?


how do i stop the "=" symbol from creating "WolframAlphsShort"

Mathematica v 12.1.1.0 FrontEnd Autoformatting Bug (?)


Use Euler's Method to solve y' = 1+ x/Sqrt[y], y(1)= 9, h = 0.01


Exported arrow to PDF or EPS messes up its tip

How to stop Mathematica 12.1 from chopping off the axes arrows?


Is function polymorphism possible in Mathematica

How can I type-check the arguments of a Mathematica function?


Plot draws different curves in same colour even using Evaluate

All curves in plot have the same style. Cannot be fixed with Evaluate[]


Mathematica Version 11.0.1 Strange Result from NSolve (Linux)


What are the most common pitfalls awaiting new users?


Why is "1" not a valid variable? Why is there not a function plotted in the Plot function?

General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?


Function to subdivide interval into n evenly-spaced points


Plotting Inverse Function - more complicated


How to display multiple 2D plots in 3D format with legends?


Why doesn't HighpassFilter fully remove the DC component?


Need to create a function to generate all permutations of Range[$n$]

Permutations[Range[12]] produces an error instead of a list


Why does Simplify[b-a] give -a+b and not b-a?


Why my differential equations become True?


Combining values in one column (or part) when values in another column (or part) match


Computing the coefficients for Gaussian integral


How to reduce the InterpolatingFunction building overhead?


Is there a way to simulate / spoof a keypress?


How to get integer/rational and real eigenvectors to be the same?


How to apply a free-form input Function using InputField


Elegant operations on matrix rows and columns


Little triangles appearing in a Mathematica region plot with "opacity" saved in a PDF file

Avoiding white lines inside filled area in RegionPlot exported as PDF or PS


Why does InverseFourierTransform gives different result to doing it by hand?

What are the most common pitfalls awaiting new users?


Why does Manipulate execute the expression twice?


Is there any simple way to zoom/magnify a selected portion of a plot (like gnuplot or xmgrace)?


How to combine more locations (GPS coordinates inside one city) with Google map?

How do I plot coordinates (latitude and longitude pairs) on a geographic map?


Minimizing roots of a transcendental equations

Combined numerical minimization and maximization


How write this Function with many arguments?

Can a function be made to accept a variable amount of inputs?


Graphing the sequence {$p_k$} = $\frac{c - a + dp_{k-1}}{b}$


Is it possible to auto-load documentation for current function?


Subtracting list from list of same dimensions


How to Plot a function that returns multiple values?

Plotting the components of a function that returns a list in different colors without redundant evaluations of the function


Placing x-axes label below rather than at end of axes


add a legend show the expression for each contour?

Creating legends for plots with multiple lines?


Meaning of backtick in conjunction with units

Meaning of backtick in floating-point literal


How to change $n$ variables with $n$ Buttons automatically

Button's command is not evaluated in iteration


How can I implement object oriented programming in Mathematica?


What is the most efficient way to add rows and columns to a matrix?


Map a function across a list conditionally


Filter sublists that contain a certain value


Evaluation inside Button stops after some seconds


Do any mainstream text editors support Wolfram Language syntax for highlighting?

Wolfram Workbench - Mathematica Development Alternatives


Replacing list elements by other list elements


Plot showing discontinuity where it shouldn't


How to simulate the 1-D motion of a particle under constant acceleration?


Stopping resetting of linked locators in manipulate

Moving From Dynamic Module to Manipulate


Using functions as input for a function - won't simplify

Why does MatrixForm affect calculations?


In a list having triplet elements, how can I change the third element of a triplet when it has a given value?


Representative Smooth Kernel Distribution from Truncated Distribution


Converting string representation of boxes into explicit boxes

How can I get the unchanged Box form of an arbitrary expression?


Voronoi diagrams for generators other than points


What are the most common pitfalls awaiting new users?


Selecting every last element of a nested list


Retain original form of formatted equation


Find minimum value of function which calls NDsolve


X-axis obscuring a vector that lies along it

Why are my plots displaying behind the axes?


Series Expansion of Differential Operators


How to remove redundant {} from a nested list of lists?


Plot two functions with different ranges into one plot


How can I test properties of a symbol from the string name without the symbol completely evaluating


How to fix this error : SetDelayed::write: Tag Plus in (<<1>>)[x_] is Protected.?

How do I identify the source of a "Tag times protected" error?


From a list of (x,y) pairs, generate a new list of (x,ymean) pairs, where ymean is the average of all y's with the same x in the original list

Re-arranging / selecting of a data table very slow in For loop


Streaming Data into Mathematica from a serial port


How to see source code of a demonstration in notebook

Viewing Mathematica Demonstrations Project Code


Question about plotting one function with different colors

How do you plot the same function with different options over different intervals?


Rebuild a polygon so it doesn't self intersect

How to ensure that Polygon[list] plots a simple polygon?


Unexpected behavior of subtraction with approximate numbers

Dr. StrangeNumbers or: How I Learned to Stop Worrying and Love Floating Point Arithmetic


Unexpected behavior of rule matching a pattern


Defining arbitrary order derivatives function


can I evaluate multiple cells at the same time?

Executing several input cell simultaneously with parallelization


Customizing FrameTicks in DistributionChart


Built-in symbols that support operator form

Is there a comprehensive list of functions with operator forms?


Monitoring progress of long calculations


Why evaluation doesn't fail if arguments are invalid?

What are the best practices / most common / idiomatic ways to report errors in Mathematica?


How to create a simple cross eyed 3d plot


How to find the maximum values and the place of the max value in the list?

List manipulation: position & max value combination


Elegant operations on matrix rows and columns


Get value for a variable from user inside a module


How to eliminate the margin between figure and frame in DensityPlot?

How do I avoid the gaps introduced by a frame on a plot?


Convert Tube[BSplineCurve[...]] Graphics3D object to polygons


Plot draws list of curves in same color when not using Evaluate


Displaying a bipartite graph in Wolfram Mathematica


Where can I find mathematica documentation about @@@?

What are the most common pitfalls awaiting new users?


Simplify vector expression - is there something like "Factor" for vectors, dot products etc.?


Extract values for ViewMatrix from a Graphics3D


How to generate Koch curve in mathematica


Correctly substituting a matrix into a scalar equation

Matrix exponential via Cayley-Hamilton Theorem


How to find matrix exponential using RootSum?


Works in mathematica but not as cdf preview or web embedded cdf


How do I fit NDSolve result to experimental data?

How to fit 3 data sets to a model of 4 differential equations?


How would I take a variable from a string and reassign its value?

Assigning values to a list of variable names


How to localize symbols on the right-hand side of Rule when using ReplaceAll?

Unexpected behavior of rule matching a pattern


How to switch from List of rules to Association?


How to calculate contour integrals with Mathematica?


Can the value of a variable be made to persist between front end sessions?

How do I automatically evaluate a cell when a notebook is opened?


Manipulate using a variable defined outside of the manipulate function


How to change the direction of increasing x in a plot


Taking Mean for several elements of a list


How can I stop PlotRangePadding from cutting off points in a ListPlot?

Image padding problem with text framed contour labels


Placement of pattern matching rules in functions


How do I perform the riffle function backward?

Pretty way to group elements at odd and even positions


Formatting Framed - some FrameStyle graphic directives don't work?


How can I extract all the non-number symbols from an expression

Is there an analogue of the Variables command for general expressions?


Rewriting one expression using a variable representing another expression

Can I simplify an expression into form which uses my own definitions?


Is there an easy way to put time ticks on a parametric plot?


Exporting pictures in their correct size when using Grid

How do I display imported images at actual size?


Converting strings of the form "1.34e5" to real numbers?

How do you convert a string containing a number in C scientific notation to a Mathematica number?


Create a matrix of matrices using Band and ArrayFlatten

How to form a block-diagonal matrix from a list of matrices?


How to find variables set through Get["/some/path/dump.mx"]?


How do I apply function to second column of data?


Using Manipulate to vary the frequency of a sound produced by SoundNote[]


Reordering numerically calculated eigenvalues assuming smooth dependence on a parameter


Why the package (.wl) and .nb behaves completely different

Package functions and symbolic calculations


How to speed up import of large csv table?

Speeding up Import and Export in CSV format


Making Replace or "/." stop after first replacement

How to replace the first occurence in an expression instead of replacing all?


Creating an animation illustrating the time-evolution of a pre-computed orbit


What are some common issues with fitting functions to data?


Applying the Four-color Theorem to the map of Florida

A solution to the Four-Color Theorem applied to the map Florida, USA


How to draw Fractal images of iteration functions on the Riemann sphere?


How to rotate around z-axis a simple 3DPlot?

Issue in displaying a rotated PolarPlot with Show


How to Rotate a 3DPlot with a dynamic controller and export in .gif or .avi?

How can I get this Graphics3D to rotate around a particular point?


vector product defined on kronecker delta

How to define an orthogonal basis in the right way?


Graph of Characteristic Function of Probability Density Function

What are the most common pitfalls awaiting new users?


How do I numerically integrate a numerical solution of a differential equation?

Integration inside and outside of NDSolve


Why Mathematicas `FindRoot` can't find solution?


Combining gradient color schemes on a ContourPlot


How to export a table in with reals given in e-notation?

How to export data files using specific number format


CloudDeploy not working for a Manipulate expression

CloudDeploy a Manipulate with dependent functions


Help with Frequency Identification with Fourier?

What do the X and Y axis stand for in the Fourier transform domain?


Finding eigenvectors with given set of eigenvalues


Gradient of a system of differential equations

Solving a system of non-linear equations and obtaining a phase portrait


Strange evaluating indication of output cells


How can I fill under a function in a plot just to right of a specified vertical line?


Give one list of lists to a function with multiple parameters

How do I convert an argument list to a sequence of arguments?


Querying the Monero blockchain via JSON-RPC

curl in Mathematica, google link-shortener


How to write a polynomial $P(x,y)$ in terms of $R(x,y)$ and $S(x,y)$

Partial factorization of multivariate polynomials in terms of given polynomials


I can't understand why "FindRoot::nlnum:" shows up in my code... [edited]


How to add Arrow in plot with text next to it?


GroupBy a list of associations with their keys


replacement rules don't account for signs

Can I simplify an expression into form which uses my own definitions?


Make symbols loaded on the preemptive link show up in the front-end

Update/refresh notebook variable color on clear


List of tuples: group by first element of tuple; sum up the second element per group

Combining values in one column (or part) when values in another column (or part) match


Adding extra lines to the If[condition,t,f] command


Is it possible in mathematica to use dynamic names of variables

How to 'merge' a list like FromDigits, but with a mixture of numbers and symbols?


Why do buttons with ChoiceDialog freeze the front end?


Next line without ";" and set::write error => why?

Is there a guideline about when to end expressions with semicolons?


Plotting simple ODE system phase portrait

Cleaner Approach to Plotting Multiple Solution Curves on Phase Portrait


Returning an unevaluated expression with values substituted in


Selecting every n-th element from a list


How to define a function that utilizes the Range function?

What are the most common pitfalls awaiting new users?


Evaluating all the notebook calling a package doesn't work whereas evaluating the package "manually", then run the notebook

Not evaluating all cells unless I explicitly evaluate each one?


URLFetch functionality for a Persian website


Is it possible when creating an exe file from Mathematica code to include functions that create windows?

Creating a standalone (executable) from mathematica code


Selecting results according to the constraint


Plot parametric curve of differential equation


Delete a Line that doesn't match any cell

How can one get rid of the "Template notebook" bar in Mathematica?


How do I get the period/amplitude/sine function from a Fourier transform?

Numerical Fourier transform of a complicated function


When importing is it possible to set the delimiter?


How to make a very simple BarChart with errors?

Spacing the elements in a bar chart with error bars


How to make use of multithread feature of Eigenvalues in ParallelDo or ParallelTable

Does Eigenvalues evaluate in a parallelized way?


Is there a way to "lock" some cells in a notebook?


Why don't Part, Apply and other standard tools work with Region objects?


Evaluate Initialization cells at startup

How do I automatically evaluate a cell when a notebook is opened?


Setting Graph3D Edge Thickness With Edge Weights


Applying a function of two variables to a the elements in a list of pairs


Subscripted variables give errors in Module expression

Subscripts - Why do I see the error "only assignments to symbols are allowed" when using a Module and not otherwise?


How to change the default Notebook stylesheet


How to define an auxiliary function within a function


Hopf fibration Poincaré surface of section


Intersperse strings among variables in a table

Displaying equations, how to combine strings and values without evaluating everything.


Creating 3x3 Matrix using Table Function and then accessing an element

Why does MatrixForm affect calculations?


Is there something like DefaultOutputCellStyle?

How to set the output be generated in a cell different from "Output"


Where can I find examples of good Mathematica programming practice?


How do you solve a linear equation of matrices?


Plotting :Change the format of numbers on the graph axis

How to place PlotLabel inside the plot frame


Adding an identifying letter to plots in a standard position


Finding the area of a circle using monte carlo simulation


Displaying each element of a varying sized list one at a time


Increase number of rows displayed by Dataset

Blocking Dataset`$ElisionThreshold doesn't work


How to specify an element of a list when using RecurrenceTable

Trouble with RecurrenceTable using elements from a previously computed list


Using different style on segments of a plot


How to create symbols from strings and set values for them?


Figuring out the frequency components using FFT

Plotting Fourier spectrum versus frequency of a signal


Distinguish hashtag # operator when using multiple functions


How to plot points in a color corresponding to some value?


Plot draws list of curves in same color when not using Evaluate


How can I bypass the limitations of init.m?

Possible Bug of loading Package @ Mathematica 10.1


Faster way to compute the distance from a point to a surface in 3D


what is the difference between /. and /; in mathematica?

What are the most common pitfalls awaiting new users?


What are the possible Method option values for plotting functions?


How to work with ElasticSearch in Mathematica?


Is it possible to create complicated packages from modules which work fine by copy paste? -- A counterexample


Solving numerically a dissipative non-linear system of coupled ODEs

Numerical resolution of non-linear coupled ODEs


How to explain the strange behaviour about Function Nothing

Using Sequence to delete a part of an expression


Package functions and symbolic calculations


Does Mathematica have a built-in tool that allows one to operate on both sides of an equation?


Why is my code for density using Folner Sequences giving incorrect values?

Approximating the density of $S\cap[a,b]$ using a Folner Sequence of $A$, where $S \subseteq A$?


Changing the background color of one element in a Grid


Find the Nearest Two Dimensional Points from two lists of data. Discard unused points

Find the nearest locations for multiple points


Mathematica command to convert $\pi^{2n}$ to $\zeta(2n)$

How to stop evaluation of Zeta with even arguments


Preventing Mathematica from considering small values to be equal to zero

Why this very simple problem turns to "Indeterminate"?


A replacement for NextPermutation in Combinatorica

Permutations[Range[12]] produces an error instead of a list


I'd like to display field lines for a point charge in 3 dimensions


How to remove a bar that blocks some upper space that says "WOLFRAM STUDENT EDITION" so forth?

Can the banner in the Home Edition be removed?


The Show function consistently only shows the first graph

Plot Option Precedence while combining Plots with Show[]


How can I use WhenEvent to stop the integration?

How to catch complete error message information, including the message text as it would be printed?


Why does accessing the first element of a list yield "List"

Why do Mathematica list indices start at 1?


Different colors for each curve in a Plot[Table[],{}]

Plot draws list of curves in same color when not using Evaluate


What code can I use to calculate, integrate, and visualize the electric field for an arbitrary shape?


What kind of pattern should I use with StringCases?

StringPattern to remove markers around text


Manipulate using a variable defined outside of the manipulate function


3D plotting: make some edges of the bounding box dashed

Sketch-type graphics with transparency and dashed hidden lines?


How to modify the horizontal ticks in a LogLinearPlot?


strange behaviour of Eigensystem and Eigenvectors


How can I assign some part of data from one list to another list?


Pure function with attributes of arbitrary number of arguments: Is it possible?


How to make a StyleSheet with certain text in some cell types like Subsection, Subsubsection and alike?

Styles that prepend text to cell contents


I get weird <<...>> symbols in my output — what does it mean?


FunctionInterpolation produces many error messages when given high-precision input

FunctionInterpolation error when specifying AccuracyGoal


Tracing & Modifying a Function (Replace All)


Tick marks don't follow FrameStyle/FrameTicksStyle specs


How to display an asterisk in an arbitrary font?

Display asterisk as it enter in Mathematica v11


Indentation is lost in Mathematica packages

Editing Wolfram Language Packages and Scripts


Is there a style sheet that can be used to generate Stack Exchange input?


How to save the image generated by Plot3D as svg?

Exporting 2D projection of 3D graph in SVG form


Convert Key to Value in Dataset with nested Associations


Define Function explicitely with List as argument


Why does Plot3D omit parts of the surface at kinks?


How to define an orthogonal basis in the right way?


How can I put the results of TrigReduce function into a more convenient form?

How can I put the results of TrigFactor function into a more convenient form?


Extracting the coordinate of a particular point of interest from a ListPlot


Documentation of the frequently-used functions in the context of Internal` and Compile`

What are some useful, undocumented Mathematica functions?


Mathematica not showing normally on high resolution computers


How to "save as" a notebook programmatically, given a path string?

Is there a way to programmatically do a "save as " on an init.nb file to save it as init.m?


Is there a way for me to get Mathematica show its steps?

Get a "step-by-step" evaluation in Mathematica


How do I draw random points from a region

How to generate random points in a region?


What is the right way to remove head of a number?

How to completely delete the head of a function expression


Is it possible to do vector calculus in Mathematica?


Deleting the header footer in the PDF output of a Mathematica code

Some tutorials on formatting notebook for exporting to pdf


How to create a cylinder with where the walls represent the output of a cellular automaton

Applying an ArrayPlot as a texture to the surface of a cylinder


Constructing symbol definitions for With


Distorted plot when I plot Sqrt[4 - x^2 - y^2] and -Sqrt[4 - x^2 - y^2 together


Why don't products of Dirac deltas integrate correctly?


How to plot trajectory for a differential equation in polar coordinates?


repeating a special type of square wave over time

How to plot periodic function's graphic?


Front End Find feature broken in Version 10 with OSX Mavericks?


Why is DownValues releasing RuleDelayed's hold for Graphics?

Prevent graphics from rendering inside a held expression


Question about the third argument of Solve

Behavior of Reduce with variables as domain


How to match the arguments of the function in any order


beginner's question: change a parameter while get variable answers

Assign the results from a Solve to variable(s)


Dimension of plotting window vs PlotRange

Chart illustrating options that affect Graphics/Graphics3D objects


Getting around symbol favoritism of Simplify and FullSimplify


How to keep elements only if their first key is part of another list?

Extracting matrix rows when one of its elements is part of a list (without a loop)


Taylor series representation as an infinite sum


Combination of Scan[] and MapIndexed[]. Using an expression with slots corresponding to different functions


How to make lines not wrapping in text-mode Mathematica?

Set number of columns in text-based interface


Output of plots from within Do[ ] Command


Plot 4D data with color as 4th dimension


How to prevent reduction of a fraction into lowest terms?


Scaling vectors in an animated vector field


Why Plot3D does not accept Epilog option


Show does not combine/display multiple graphics?

Why does the order of arguments in Show influence the result?


.:Duplicated:..formatting - text cells and math cells

How to make "Text" Cell which does not auto-format in TraditionalForm in-line math expressions?


Generating and Imaging of the water molecules with Graphics3D

Using ChemicalData to make molecule graphics


Filling between two spheres in SphericalPlot3D


How to change the atom size of LatticeData

Can a LatticeData image be displayed in a space filled fashion


Saving an XMLObject imported inside a notebook

Saving data inside a notebook so that I don't have to run it again?


Problem during opening a second notebook

Import error when opening empty notebook


How to perform Bayesian optimization with Mathematica?

Mathematica learning resource dealing with bayesian inference


Is FullGraphics an abandoned function? Is there an alternative?


How can I transpose x and y axis on a Plot?


Analogue of Maple's `identify` command in Mathematica

Can Mathematica propose an exact value based on an approximate one?


How can I set up a versioning system within a notebook?


How can I avoid to define public all methods in a package

Naming conflicts with Dummy variables in several packages conflicts


How can I superimpose a set of points on a ContourPlot?


Nested definition: How can I define a function with a passed-in expression?


Moving certain variables to one side of the equation

Is it possible to have Mathematica move all terms to one side of an inequality?


How do I add arrowheads to circular arcs?


How to draw auxiliary line and point label?

Adding a point to an already existing graphic


Why are my plots displaying behind the axes?


Orthographic view (top,bottom,left,right,rear,front) and Isometric view using ViewMatrix

Extract values for ViewMatrix from a Graphics3D


What's difference between MathKernel.exe and WolframKernel.exe?

math.exe vs wolfram.exe vs MathKernel.exe vs WolframKernel.exe (running scripts on Windows)


bifurcation diagram for iterative map function


Plot Legends in 3D Parametric Plot with Color Function

PlotLegend disappears if Plot is used with ColorFunction


Problem with plotting a piecewise function

Plot showing discontinuity where it shouldn't


How to work with characters from CJK Unified Ideographs Extension B correctly?


Is there a list of function shorthand notations, shortcuts, and other various symbols somewhere?

What are the most common pitfalls awaiting new users?


How to solve a system of equations which includes vectors?

Inequalities with assumptions and constraints


Handling really large Arrays (by possibly using lower precision)

Is it possible to lower the bitwidth of (floating point) numbers?


How can I change the behaviour of InterpolationOrder -> 0?

How can the behavior of InterpolationOrder->0 be controlled?


How to trigger Emacs to open a file from Mathematica?

Can't run Bash scripts from within Mathematica 10.1


How to change the texture of the graphical objects?

Filling a polygon with a pattern of insets


Is there a way to fully restart a Mathematica session from the front end?

How do I clear all user defined symbols?


Create Linear System from derivatives of variables and solve it

Quick Hessian matrix and gradient calculation?


How can I use Mathematica to get the translated result from the Google Translate webpage?

Export to Google Spreadsheet with OAuthAuthentication


How do I reproduce the animation in this video?

Visualizing the primes with the Riemann Zeta function


Frequency of elements in a list (merging tally data)

Combining values in one column (or part) when values in another column (or part) match


How to get a more traditional-looking for protected constants

How to set a TraditionalForm output for a symbol


How to add fill color to a 2D Graphics object?


Contour plot in Mathematica with logarithmic scale

How does one set a logarithmic scale in a ContourPlot?


General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?


Function working in command line session but not in package

Package functions and symbolic calculations


Eliminating variables from system of equation using Eliminate or Solve


Transferring a list from one notebook to another

How do I save a variable or function definition to a file?


How to stop fractions from simplifying, when inside a Manipulate[]

How to prevent reduction of a fraction into lowest terms?


Cut off higher order terms does not work for first order


NDSolveValue and pdepe of MATLAB disagree under spherical coordinates

Boundary condition with spatial derivative is ignored by NDSolve


Core functions or operations that every aspiring Mathematica programmer should know?

What are the most common pitfalls awaiting new users?


Generate $n$ randomly oriented non-intersecting cylinders with fixed radius and length


How to use `Except[]` inside of `Pick[]`


Two ways to map a function on a list: Which one is faster?


Listing the functions defined in a package


How to find roots using the bisection method

Implement the Bisection algorithm elegantly and easily


Writing a trigonometric expression in terms of another

How to express trigonometric equation in terms of of given trigonometric function?


How to obtain the coordinates of the intersection line of two surfaces?

Plotting implicitly-defined space curves


List of Inequalities in RegionPlot with different colors

Plot draws list of curves in same color when not using Evaluate


How to enlarge a specific part of a graph using Plot Command?


Why here does Import[file] produce an error LinkOpen::linke:?

Why can't I import a file in the init.m file?


Why do Python modules load differently via Mathematica?

Can't run Bash scripts from within Mathematica 10.1


Good way to create a similarity / distance matrix for a large dataset

Fastest way to calculate matrix of pairwise distances


Plotting the implicit function $y=\log_2(1+x\,y)$


How do I change the scale on a plot so different parts of the axis are on different scales?


Unable to plot function with exponentials or to find all roots


Object isn't fully displayed in DialogInput


Patching removable singularities of a function


Selecting points in list that are inside a contour

How to check if a 2D point is in a polygon?


How to make Jacobian automatically in Mathematica


What is the best way to flatten a linked list with lists as values?


How to release the space took up by specify variable

What are the most common pitfalls awaiting new users?


calling up workbench-generated help pages for custom functions

linking usage message to package documentation


How do I solve Schrödinger equation with a piecewise periodic Hamiltonian?

Solving a time-dependent Schrödinger equation


Workarounds for a possible bug in the linearity of FourierTransform


Matching list entries by two values, adding the third


How to get an element of a list by specifying element position as list?


Cyclically sort lists with some repeated elements?


What does the @ symbol do in Mathematica?


From which version Mathematica will be available Symbolic n-th derivative?

How do I evaluate several n-th derivatives of a function at one point?


How can I create a four dimensional plot (3D space + color) of the data provided?

Plot 4D data with color as 4th dimension


Where can I permanently modify Directory[]?


How can I make an X-Y scatter plot with histograms next to the X-Y axes?


Count the times a digit has appeared in a list as I scan the list


Why is Mathematica destroying this graph?

Funny behaviour when plotting a polynomial of high degree and large coefficients


Dataset vs an association of associations


How to store error message from a command into a variable

How to catch complete error message information, including the message text as it would be printed?


Why are empty lists not consistently formatted in a Dataset?


How can I show multiple list line plots with their proper x-axis ticks?

ListPlot multiple datasets over same x-values


Interpolating or "absolutising" symbolic sizes for graphic primitives?

How to determine numeric equivalent of Tiny, Small, etc. image sizes for Graphics?


Numerical integration over a circle contour


Fast way to subtract the mean from a dataset

How to subtract the column means from each row of a matrix?


Module, block or whatever to scope variables without explicitly listing them?

Variable scope similar to other languages


Plotting velocity vectors for pressure driven pipe flow


Strange phenomenon occurring in analytic integration result involving Bessel functions


Prevent autocompletion for symbols in contexts other than "`Private`"

How can I define symbols but not have them show up in the front end?


Meaning of backtick in floating-point literal


Assign the results from a Solve to variable(s)


A rule to transpose pattern and target of a rule?


Random Number Generation on Parallel Cores

What will happen, if I don't specify random seed by SeedRandom function?


ColorFunction causing division by zero error (going outside domain?)

Use ColorFunction in ListLinePlot with If


Obtain the largest positive eigenvalue (with its eigenvector)?

Find the eigenvector associated with the smallest eigenvalue, not smallest in magnitude


How to define nested recursive sequence?


Round off in Mathematica Built-in functions

LogPlot axes labels destroyed when working in high precision


Replace argument of delayed function before it evaluates

Why is my function returning 0 when when I try to give it arguments by replacement?


How to understand the LocalClusteringCoefficient use in directed graph?

What exactly does LocalClusteringCoefficient compute for directed graphs?


What are the most common pitfalls awaiting new users?


How to call a function with an arbitrary list as its arguments inside a functional?

Using Array Elements as Function Arguments


How to Write a code to automatically generate the planckian locus in (u,v) space

Convert spectral distribution to RGB color


Incompability between v5-6 and v10 with Graphs and Oriented Graphs pkgs?

Where to download the MathWorld package?


Logarithmic scale in an ParametricPlot obtained from ODE boundary conditions


How to draw an electric field without additional flux created in the middle of spreading from the charge?

How do I plot a proper streamline plot, including spacings and line endings?


What is the best way to pass on options?


Express anonymous with formal parameters


Change of basis for a rank 3 Cartesian tensor


Digitalizing hand-written graphs (vertices and edges)

How to generate a Graph from a picture of a graph?


Calculate column number from alphabetic column reference in Excel


Mathematica as a normal programming language


How to keep a DisplayFormula cell connected to its Input cell?


Definite and Indefinite integral give different results for piecewise function


How can I Get[] a file and keep it in a given context?


Removing an ordered pair from a list of ordered pairs if the second element in the list is Less than a Value


ODE with singularity at origin and boundary condition at $\infty$

Nonlinear differential equation: numerical solution


Symbolic gradient of a function of three variables

Quick Hessian matrix and gradient calculation?


Mathematica syntax with combined Prefix and Times operator: @*

What are the most common pitfalls awaiting new users?


Why doesn't Table work for list of pure functions?


Why does Plot of Table uses the same color rather than Plot of explicit List?

Plot draws list of curves in same color when not using Evaluate


Adding a zero vector into an inside column or row of a matrix

Elegant operations on matrix rows and columns


Why does my Solve output contain this symbol?


RLink with R3.5.0 on Windows 10 and Mathematica 10.2 is not working


How to capture the results of Solve in a variable

Assign the results from a Solve to variable(s)


How to open Details and Options in Help Browser by default?

Is there a way to make the "Details" section of the Documentation expanded by default?


default value for the 2nd argument in Power for pattern matching


UpValues, TagSet and UpSet, what's the difference, when should you use them?


Substitution in delayed evaluation function

Expressions containing globally undefined symbols inside a function where they are defined


How to plot more paths to this SDE simulation?


Is there any reason to use FindFit over NonlinearModelFit?

What is the difference between FindFit and NonlinearModelFit


How to plot a vertical line with fixed range?


Selectively converting numerical strings to expressions


How to get a function from a list element?

Defining a function using a preceding expression


Save all the variable with file name containing the Time stamp

How can I automatically name files being exported based on input parameters


How do I get more control over table headings when using TableForm?


Need explanation for specific expression syntax that starts with an integer and a period


How to find rows that have maximum value?


Why application of "Reap" in the forms of prefix and suffix does not work?

Function that returns the second argument of Reap


Defining a symbolic function on a list of inputs [solved, but the reason is unclear]


How to automatically add indentation to selected block of code


Is there any simple way to apply or map a function F to each 2 elements of a list but without Partition?

How to Map a subset of list elements to a function?


RandomVariate with a custom distribution

How to generate a RandomVariate of a custom distribution?


Using Eigensystem to solve eigenvalue problem

Why does MatrixForm affect calculations?


Removing Missing["NotAvailable"] data in a list

"NotAvailable" and "NotApplicable" data points returned by WeatherData[]


Efficient by-element updates to SparseArrays


How are parameters evaluated for a Plot in Manipulate


Speeding up generation of block diagonal matrix


How to delete certain item(s) returned by FindExternalEvaluators[]?

FindExternalEvaluators["Python"] gives me an uninstalled version of Python


Why my differential equations become True?


How can I transform a density plot into a stream plot?


NDSolve doesn't let me evaluate function at an arbitrary point


How to convert a list of names and values into a series of expressions

How to create symbols from strings and set values for them?


What is special about 70.329862 and InputField and Number and Dynamic?


Replace duplicate values in a list with incrementing number


How to automate generation of image files?


Mathematica giving incorrect result for implicit equation $x^{\frac{2}{3}} + y^{\frac{2}{3}} = 1$?

Is there an $n^{\text{th}}$ root function in Mathematica?


Import image files in the order of the file name number


Problems with spectral decompositon of a $4 \times 4$ matrix

The algebraic solution and numerical solutions for eigenvectors are different. Why?


How do I create a random point on the surface of a cube?

How-to cast a set of random points on the surface of a cuboid?


Analytical solve for biharmonic equation


How does one set a logarithmic scale in a ContourPlot?


What use is empty binding list in `Block[{},...]`?


Importing multiple files using a for-loop


How to plot expression in x axes and variable in y axes

How can I transpose x and y axis on a Plot?


Machine Epsilon is not equal to $MachineEpsilon


Plotting ListLinePlots together creating a 3D view


Equivalent of RadialOutside for Graph VertexLabels


How to input truth table and generate corresponding logical expression?

Converting truth tables to boolean expressions


Is it possible to induce Mathematica to chop off parts of Graphics objects that exist outside of a Frame?


Mathematica returns DSolve exactly as I gave it


How can I toggle display of individual items in a Show list?


How to define a pure function in a 'do' structure?


Multi graphs in one plot with axis labels in multiples of Pi


Argument completions for user-defined functions


Pattern for string that does not contain x, constrained to shortest matches only

How can one represent a string pattern with prohibited substrings?


Plot draws list of curves in same color when not using Evaluate


Automatically execute command after save


Epilog does not work as expected with Show


Mathematica equivalent of NumPy broadcast addition for large arrays

How to implement the general array broadcasting method from NumPy?


Nested rules and automatic renaming of variables

Strange behavior with Cases and Position with SetDelayed


How to force 0.00001 on plot to display as $10^{-5}$


How can I change the thickness of tick marks in BarLegend?


Using OddQ and EvenQ in piecewise functions: Buggy?


How I can use FindFit to simultaneously fit two data sets to two equations having shared parameters?

Simultaneous fit to three datasets with measurement errors using different models but same parameters


Why does the contour plot shows blank part?

White regions in DensityPlot — is this a bug with ColorFunctionScaling?


I am a beginner and How to read the Result of Reduce


Assign the results from a Solve to variable(s)


Extracting von Neumann neighbors from a list of lists

Extract four (von Neumann) neighbors of a matrix entry


How to reduce the number of triangles in a mesh?

Is it possible to re-mesh, downsample & upsample a DiscretizeRegion object?


Plot intersection (elliptic curve) of two quadrics

Plotting implicitly-defined space curves


What are the most common pitfalls awaiting new users?


How to detect where your code is running (Mathematica, Engine, CDF, the Wolfram Cloud, etc.)?


Parallel evaluation produces wrong result


Speedup calculation of the largest eigenvalue and eigenvector of a 400×400 matrix?

Find the eigenvector associated with the smallest eigenvalue, not smallest in magnitude


Can one make `Do'-Loops of arbitrary depth?


Creating a library of saved function values

How can I make assignments persist across sessions?


Indeterminate expression 0^0 encountered


Is it possible to convert a matrix in $\LaTeX$ format to Mathematica input?

How to import $\LaTeX$ matrices into Mathematica?


How to write a function returning Chebyshev Polynominals of the first kind using Nest[]?


Assign values to variable names in lists

Assign zeros to large list of indexed variables


How to change plot style or other options after it was created


Map and Module to convert numerical value to grade

How to assign a list of numbers into letter grades


Why does MatrixForm affect calculations?


Generate a pulse with given rise and a fall time


Normal lines to surfaces or planes in a 3D plot


Strange Replace problem within RuleDelayed within function


What is quadratic TriangleElement in ToElementMesh?

How to draw the shape of a 2D, 2nd order, element of an ElementMesh


Pushing Mathematica's FullSimplify to a global complexity minimum

Advice for Mathematica as Mathematician's Aid


How to avoid repeated calculation of a function

What does the construct f[x_] := f[x] = ... mean?


How to find points within a polygon region

How to check if a 2D point is in a polygon?


Horizontal shift in fitting data by a sinusoidal nonlinear model


QR algorithm implementation for eigensystem - where is error


How to plot and find the volume of a solid?


Plot draws list of curves in same color when not using Evaluate


Printing data into a file inside the loop one by one

How can I make assignments persist across sessions?


How can I make the Cartesian product of a list with itself?

Combining two lists of different dimensions into a list of all combinations of points?


Function to determine number of trees surviving forest fire

Function representing a forest fire after one time step


Why summation of matrices in the MatrixForm gives wrong result? (an example is given)

Why does MatrixForm affect calculations?


How to factorize $f(x,y)$ into $f_1(x)f_2(y)$?


Compute the Hessian matrix of a function

Quick Hessian matrix and gradient calculation?


Calculating commutators in quantum mechanics symbolically with the help of Mathematica


If I use NotebookEvaluate, then I can't abort a While loop

Why doesn't 'Abort evaluation' properly work when NotebookEvaluate is executed?


How can I show the calculation of the determinant of a matrix step by step?

Find Elementary Matrices that produce RREF


Problem in evaluating nested anonymous functions

Unexpected behavior of rule matching a pattern


How to let mathematica "recognize" expressions?

How do I replace a variable in a polynomial?


Manipulate the parametric plot of a torus

Manipulate gives the output as a blank plot, but I'm not sure why


A Special Contour Plot with Labels Tangent to Level Curves

How to automatically have ContourLabels in middle of Contour lines if specific levels are not specified?


Why does Mathematica use a dashed line for a contour line with this specific value?


Solving PDEs with complicated boundary conditions

Solve a PDE on a domain $\Omega$ with given boundary conditions


Is that possible to remove a color from Hue spectrum?

How to customize color scheme to mimic that in Origin?


How to tell Mathematica that certain variables are real/imaginary, integer-valued, etc


How to omit the authentification dialog during URLRead?


Algorithms behind implemented Mathematica functions

How to find out which method Mathematica selected?


White regions in DensityPlot — is this a bug with ColorFunctionScaling?


Numerically solve an integro-differential equation

Solving a Volterra integral equation numerically


What are the most common pitfalls awaiting new users?


Why my variable j3[k][[1]] isn't affected?

Part not behaving the way I expect it to


Integral for spherical wave propagation through lens


Background graphics to indicate the experimental values

How does epilog position work in logplots?


Solving Inequalities with Gamma Function


Generating random points on a Klein's bottle

How to generate random points in a region?


Minimal set of perimeter points such that one is always visible any point inside a polygon

Art Gallery Problem for the Castro's $24$-sided room


Export on local machine results of a parallel computation using remote kernels


Interpolation does not give continued function


NotebookWrite a Cell with WholeCellGroupOpener option

Programming scripts to create and modify stylesheets: problems with contexts


How to extract first 9 rows from every block of 22 rows?

Dropping n consecutive terms from a list periodically


Initializing Manipulator value within DialogInput (version 10.1 only)


How can I get a list of the monomials from a polynomial?

How to get a list of monomials of a polynomial without coefficients?


FrameLabel function does not label my graph


How to Keep Input Cells Hidden After Evaluating Notebook


Grouping by total length of elements grouped


Elegant way for element-wise application of a list of functions


StringPattern to remove markers around text


How can I save both the plot and the legend together?


How does one set a logarithmic scale in a ContourPlot?


Using Cases for lists containing Rule ( -> )

How to define patterns to filter lists of replacement rules?


Problems evaluating a simple vectorial field with VectorPlot


Is there a way to draw implicit polar equations?


Playing with Matrix falling code in Mathematica


SetOptions does not give expected result with Grid

How can I work out which functions work with SetOptions?


How to both calculate an interpolation function and solve it numerically within FindRoot?

What are the most common pitfalls awaiting new users?


Precision error that leads to different results


How can I simplfy the result of Eigenvalues?

eigenvalues of symbolic Hermitian 3X3 matrix


Function seems to be evaluating before giving it a value


How to compute the derivative of the magnitude of a vector?

Symbolic linear algebra gradients/matrix calculus


Get most trivial solutions to an equation from Solve[]

Solving a linear equation in Mathematica


How can I solve an equation independent of a variable?


Undo (CTRL Z as well as under edit) bug after pressing control shift

Annoying FrontEnd bugs in Mathematica 10


What alternative notation of subscripts/superscripts that are also treated as SYMBOLS in Mathematica?


How do I identify the source of a "Tag times protected" error?


Discrete fourier transform vs analytical fourier transform

Numerical Fourier transform of a complicated function


How to open multiple instances of Mathematica in Mac?


How to approximate only number but not the numeric indices in an equation?


Produce a probability vector with uniform distribution

Uniformly distributed n-dimensional probability vectors over a simplex


Listing all distinct exhaustive combinations of sublists of a certain length

Partition a set into subsets of size $k$


Elegant operations on matrix rows and columns


How to form list of all OwnValues of symbols in Global context?

How to pass a symbol name to a function with any of the Hold attributes?


Can FindFormula or FindSequenceFunction be used to identify a formula for a number?

Can Mathematica propose an exact value based on an approximate one?


Graphics3D not rendering Ball as a filled object


Change only tick labels while keeping default ticks

Formatting Ticks and FrameTicks labels with a function


My Get ( << ) doesn't work when path is in variable : why?

Infix form of PutAppend ( >>> ) does not work with variable


How can I make Mathematica agree that 0^0 = 1?

Indeterminate expression 0^0 encountered


Extracting the contour lines from an image


Issue in displaying a rotated PolarPlot with Show


Plotting Phase Plane with StreamPlot function


ManToGif code: how can I avoid time-reversal in the animated GIF?

Eliminating the backward play in a SWF export of Manipulate


Take the derivative of a function of time by another function of time

Higher-order partial derivatives w.r.t. variable raised to some power


Any faster approach than Outer for my computation

Fastest way to calculate matrix of pairwise distances


Programming a numerical method in the functional style


Plotting DSolve solution on Vector Field

Create a point on a phase portrait and draw a trajectory flow following the vector lines by time-passing


How to keep markers as dots in a joined ListPlot?


How Tuples can do the duty of Permutation?


Symbolic differentiation of an arbitrary function


Alternatives to Sequence[] as a nonexistent expression element

How to avoid returning a Null if there is no "else" condition in an If construct


Checkboxbar with maximum choices limitation


Handling a list of variable assignments to be used with `With`

Put local variables for Block in a variable


How to define a function having many steps?


How to restrict the use of variables to the notebook?

Is there a way to separate variables between multiple notebooks?


Waterfall plot of a two dimensional function


Manipulate inside Module - "Order of evaluation conflicts"

Syntax highlighter shows error for Manipulate when it's inside a Block or a Module


How can I put a moving red dot in the animated plot


points of intersection along curve and horizontal line

About multi-root search in Mathematica for transcendental equations


How to extract the time t of an interpolated function created by NDSolve?


After creating a package, how do I install it?


What are the most common pitfalls awaiting new users?


How get eigenvectors without phase jump?


How can I take the divergence of a symbolic vector?

Is it possible to do vector calculus in Mathematica?


Error with numerical integration for three parameters optimization


Chaining map and abstract functions -- when (and why) is parenthesization necessary?


Plotting an equation describing a Joukowski airfoil


Mathematica equivalent to gnuplot's fsteps option?

How can the behavior of InterpolationOrder->0 be controlled?


Not seeing line defined in an Epilog option

Plot Option Precedence while combining Plots with Show[]


A MeijerG function does not accep arguments wrapped in "*Form" for numeric evaluation

Unexpected behavior of ScientificForm when applied to a list


Does passing patterns between packages alter their name unbeknownst to the user?

Enforcing correct variable bindings and avoiding renamings for conflicting variables in nested scoping constructs


Specifying plot markers (filled diamonds or squares)

How can we make publication-quality PlotMarkers without version 10?


How do i transform a Matrix into a List?

Why does MatrixForm affect calculations?


Catalina is not compatible with WolframScript 12

Installing WolframScript (12) on OSX (Catalina)


How can I plot a ridgeline or joyplot in Mathematica?


How to express a 2nd order ODE as 1st order ODE's?


Exporting output from many NDSolve's to common .txt

Formatting output of OpenAppend[] to match what Export[data,file,".csv"] would output?


Finding frequency of oscillation of an particle by Fourier analysis of the trajectory

Fourier Transform to help guess with NonLinearModelFit


NDSolve how to monitor shooting method iteration?


How to change Mathematica cursor globally?

Changing mouse appearance at notebook level


NMinimize : Finding which method was used

Determining the default Method used in optimization and root-finding algorithms


Use ColorFunction in ListLinePlot with If


How do I evaluate only one step of an expression?


X-Y scatter plot with coloring dependent on Z value

ListPlot with each point a different color and a legend bar


Having issues trying to animate an electric and magnetic field of a moving point charge

Merging two 2D wave animations into one 3D animation?


Highlighting pattern strings in a large text


Manipulating PlotRange in ParametricPlot

How are parameters evaluated for a Plot in Manipulate


How Prime[n] is implemented and why is that bounded?


How do I display an expression with negative powers?


Adding a second axis with different scale


Exporting to a single spreadsheet in excel


Documentation searches hang frequently: Anyone else dealing with this?


How do I choose in a 3d plot of 2 functions the color of the second one, if I only plot 1 function?

What are the standard colors for plots in Mathematica 10?


How to make the pressing of a button keep an event occurring at a controlled rate?

How to have button's action repeat as long as the button remains pressed?


Trouble publishing notebooks to cloud that contain Manipulate Entities

CloudDeploy a Manipulate with dependent functions


What is the purpose of the two variables Global`args and Global`dims

Why does args symbol exist in a fresh kernel?


How can I programmatically extract the text content from a Notebook's cell definition?

How do I extract the contents of a selected cell as plain text?


Deleting a Rule according to the first element


How to get list of duplicates when using DeleteDuplicates?


Sharing styles between notebooks (Mathematica v9)

How to change the style definitions for Default.nb?


Extract X value from corresponding Y value from a List or Transpose

How to find rows that have maximum value?


Why PlotRange doesn't work for this set of values?

How to use PlotRange -> All with ListLogLinearPlot?


Create complicated text formulas in graphics


Mathematica can't simplify disguised expression


In a Function, how to Ensure Code Runs Prior to an Abort


Eigenvalue problem and plotting its eigenfunctions

Find eigen energies of time-independent Schrödinger equation


What is the most efficient way to add rows and columns to a matrix?


What is the difference between getting a boundary mesh from ToBoundaryMesh vs doing it with ToElementMesh?

Why isn't ToElementMesh figuring out what my boundary is in 3D?


How to plot partial derivative of an integral vs. another variable?


How can I set global computation options ($MaxPiecewiseCases) for parallel kernels?


Automatic Cuda/CPU code; Fast programme run


Is there a keybinding for absolute value?


Why is SliceDensityPlot3D leaving out sections that DensityPlot gets?

White regions in DensityPlot — is this a bug with ColorFunctionScaling?


Dramatic increase in memory consumption and performance drop with ParallelMap

Transferring a large amount of data in parallel calculations


How do I change my font size to 18 points globally?

Keeping Text Size the Same Throughout Entire Notebook File


Where can I find tutorials or examples about Internal` packages and other useful packages?

What are some useful, undocumented Mathematica functions?


How to make the coordinate indicator in a plot bigger?

Is there a way to make the tick marks larger?


Animating the steps of a Kohonen SOM in Mathematica


Find the values of 3 variables that best fit 6 equations

Fitting a variable using multiple equations


ListDensityPlot and ListPlot3D with big data


Get a "step-by-step" evaluation in Mathematica


How to initialize downvalues from a list?


Function pattern to support listed and non-listed arguments

A function that accepts a pair or a list of pairs


Timing of ParallelDo versus Do: simple example


How can I make a clickable ArrayPlot that returns input?

How to make a control array of buttons or togglers?


Why I am not getting the same frequency when sampling a waveform?


wolfram mathematica intersection of two surfaces

Intersection of surface with parallel planes


Using Table with arbitrary number of variables


How to joint symbolic expressions together

How to 'merge' a list like FromDigits, but with a mixture of numbers and symbols?


How do I clear all user defined symbols?


How to check the decimal accuracy of result?

When can I assume that all decimal digits returned by Mathematica are provably correct?


strange result with trigonometric triple integral


How to get correct numerical integration which should be zero?

Stategies to avoid NIntegrate::slwcon error


How to cut elements from set of data based on function restrictions?


Understanding Mathematica: How to write fast code?


Meaning of backtick in floating-point literal


Colouring of multiple data sets in DiscretePlot

Plot draws list of curves in same color when not using Evaluate


Nest , Fold ... is there an extension for more than 2 arguments?


Basic Question on function of $n$ when it shift to $n-1$

Recursion doesn't happen any more or doesn't happen correctly if I store the recursive relationship in a variable first


How to create a writable and clearable symbol?

How to Clear variables represented as a list of strings?


How to solve this nonlinear 2 by 2 equations?


Why are my plots displaying behind the axes?


Multivariable Taylor expansion does not work as expected


"not a list of numbers" and "cannot be used for replacing "

What are the most common pitfalls awaiting new users?


How can I plot the direction field for a differential equation?


How to display the value of a very small number instead of "0."


How to implement nested With as a single construct using functional programming (Fold)?


Where can I find examples of good Mathematica programming practice?


Stopping Mathematica from reordering expressions

Returning an unevaluated expression with values substituted in


Numerically parameterize portion of $F[x,y]==0$

Getting an InterpolatingFunction from a ContourPlot


How to make the animation rate lower in an exported GIF

How to Export this animation as a gif file for powerpoint presentation


White regions in DensityPlot — is this a bug with ColorFunctionScaling?


List all the directories under the current one


How to fix <<MathWorld`Graphs` package cannot be opened?

Where to download the MathWorld package?


Graphing the amount of time a function takes


Customizing the distance of plot frame tick labels to frame

how to change the distance between tick mark and tick label


Mathematica9: NDSolve slows down after repeated calls


How can estimate the PSF function to deblur an image of plate licence of a car


What is wrong with combining two programs with event handlers?


Forcing unifom axis scaling on a list plot

Change the height of a function being plotted


Assigning a given value if a function returns an error


Confusing alternative definition of a function


Why do I get the Null when I evaluate Print[x] // InputForm?

Function returning Null along with other unexpected expressions


How do I perform string matching and replacements?


Why is Return not forcing an exit from my function?

How to exit from the innermost enclosing pure function?


Can the banner in the Home Edition be removed?


What are the standard colors for plots in Mathematica 10?

How to access new colour schemes in version 10?


How can I simplify $\log(512)$ to $9\log(2)$?


Transforming a list of the form {{{x, y}, z}, ... } into the form {{x, y, z}, ... }


Elegant operations on matrix rows and columns


Recursion depth exceeded on evaluating d = d[[1]]


How are parameters evaluated for a Plot in Manipulate


How to get rid of Mathematica 10's help tooltips?

How to disable the small pop-up windows when mouse is over a Mathematica command in V10?


Using "With" outside a function on its parameters

Nested definition: How can I define a function with a passed-in expression?


Is the use of Block to temporarily override definitions inherently unsafe?

How safe is the use of Block and Internal`InheritedBlock


Problem storing $x_j$ terms in variable x


finding the coordinates of intersection point of two complicated implicit function

Updating Wagon's FindAllCrossings2D[] function


Efficient way to compute a complement while respecting multiplicities

Removing elements from a list which appear in another list


How to get a uniformly distributed list of points from a B-spline function

Generating evenly spaced points on a curve


How can I define a 3D version of the built-in VoronoiDiagram (VoronoiMesh in V10) function?


How do I save the generated 2d random array for the next use?

Friendly way to make previous large calculation results reusable in a new session


How do I delete items at the same position from every sub-list within a list?

How to use "Drop" function to drop matrix' rows and columns in an arbitrary way?


Having variables appear aqua in user defined function

Syntax highlighting for your own functions


intersection between two curves in Mathematica


Bug report: Attempting to Save Selection As... in a magnified Notebook fails with errors

Failure to export graphics by right-click when Notebook magnification is changed


how to create a slope field in mathematica?


How can I name and manipulate several Input Fields?


Adding a tree to a list of trees within a loop

What are the most common pitfalls awaiting new users?


How to avoid unpacking from Language`ExtendedFullDefinition


DeleteDuplicates Delete elements of a list


How do you round numbers so that it affects computation?


Converting hierarchies of rules to associations


Marking certain detected points on an image

Labelling objects in a picture with numbers


How to transform the $y$ values in a list of $(x,y)$ pairs

Map and Apply a function on a nested list


How to save a list of analytic expressions in a file?

How do I save a variable or function definition to a file?


Problem with replacing a head with another head using pattern


Generating a Table with a certain Density

Specifying an array with a specific number of copies of two elements


How to solve an integral equation by iteration method?

Solving a Volterra integral equation numerically


How to obtain a matrix from a certain expression?

Quick Hessian matrix and gradient calculation?


Mathematica keeps crashing my machine -- is there a way to prevent Mma from eating up so much system resources so this doesn't happen?

Aborting evaluation when the memory exceeds a certain limit


More efficient way of filling in a specific entry in a list of lists

Replace a column in table with a list of numbers?


Formatting output of OpenAppend[] to match what Export[data,file,".csv"] would output?


How to automatically align multiple legends in Show

adjust the alignment of different legends


How to convert output time in terms of seconds to minute with UnitConvert[]?

Getting AbsoluteTiming to display in hours, minutes, and seconds


How do I import an entire column from an Excel Sheet

Import a given column from an excel file?


How to order a polynomial in descending powers of x?

How do I reassign canonical ordering of symbols?


How do I find and enumerate the number of perfect matchings in directed complete graphs?

How to get all Perfect or Near-Perfect Matchings of a graph


Cross referencing symbols in different packages

How to properly handle mutual imports of multiple packages?


Why does Transpose not work after I wrap a list with NumberForm?

After NumberForm I cannot apply a Sine function. Why?


Add values from a list, at positions from a list, to a matrix


How to make a button that allow me to control a Manipulate module?

How to use Buttons to run alternate Manipulate functions


How do I display graphics in the Wolfram Language kernel?


Colored marks appearing in notebook input text?


How to select interactively datasets to plot with Manipulate


How do I identify the source of a "Tag times protected" error?


DSolve misses a solution of a differential equation


The actual polynomial behind a BezierFunction

How to know form of plotted Bézier function


Understanding Dirichlet regularization in Sum


Problems with finding the real solutions of equation


Simple way to monitor a multiple URLDownloadSubmit calls?


About multi-root search in Mathematica for transcendental equations


What is wrong with this code? (Usage of FunctionInterpolation and how to make code efficient)


Value jump in Manipulate when opening input field

Initializing Manipulator value within DialogInput (version 10.1 only)


TNB vectors placed on a piecewise parametric curve

Finding unit tangent, normal, and binormal vectors for a given r(t)


How to use an imported table data in a calculation of f[x,y,z], where each row of the column correspond to x,y,z?


Fourier series of the odd extension of a function

Fourier Series of "Split" Defined Function


How convert list of numbers to list of points on x-axis?

Interlacing a single number into a long list


Plotting iterated function system images

Manipulating plot of random iterated function system fractal


Finding the minimum value in a column and extracting the row where the minimum value placed there

How to find rows that have maximum value?


How are parameters evaluated for a Plot in Manipulate


Controlling the evaluation of other arguments in pure functions


I have the minimum Y value. I want to find the corresponding X value from the list


How to improve performance of BesselJ to the level of GSL?


Where can I find books about how to use Mathematica solving practical problems?

Where can I find examples of good Mathematica programming practice?


Can Manipulate parameters be hidden with an If statement?

How many arguments does a function require, and how to use that in `Manipulate`


Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)


How to unprotect a variable in a package


Apply solution rules to new functions as parameters


Combining values in one column (or part) when values in another column (or part) match


Comments including LaTeX commands in Mathematica


How to specify frame tick labels without modifying the Automatic tick marks?

Formatting Ticks and FrameTicks labels with a function


How to align 3 plots horizontally without spacing?


Problem with NDSolve: derivative interpreted as square


Displaying Greek letters with subscripts inside plot


How to use Wolfram language in an external program with low latency?

Example program for calling Mathematica from C


exporting 3D graphics in STL format (for 3D printing)

Exporting a 3D plot into a 3D viewing format and axis scaling


How to Optimize Solution? (Project Euler #14)

Trying to visualize the Collatz conjecture


How to get simultaneous eigenvectors of commuting matrices?

Is there a built-in procedure for simultaneous diagonalization of a set of commuting matrices?


How to change the position of the PlotLabel?


About multi-root search in Mathematica for transcendental equations


Adding letters and numbers to create a variable name


Manipulate dynamic PopupMenu drop down selector

Manipulate with a variable number of sliders


plot a function associated with some horizontal finite lines

How to insert graphics primitives into a plot?


How to "undo" SetOptions (restore defaults)?


Animated plot of the trajectory of a particle on unit circle

How to add a fading trail effect in Animate?


Need help with solving inequality under assumptions

How to properly interpret a seemingly contradictory result in Mathematica?


Multidimensional Interpolation with 3 independent Variables with modfied data set

Interpolation of mostly-structured 3D data


How to test for a non--zero rational function?

How to show that an expression is 0 if FullSimplify never finishes


Matrix multiplication for higher dimensional matrices

What are the most common pitfalls awaiting new users?


Combining values in one column (or part) when values in another column (or part) match


Please explain this unexpected code snippet behavior

How to reduce expressions with complex coefficients in the form of a+0.*I


Is it possible to change default $HistoryLength


Pure functions with derivatives and list elements


Declare new "Form" wrapper and avoid this wrapper being recorded in Out[...]

How can I reproduce the MatrixForm, NumberForm, XyzForm behavior?


How do I get rid of the marks at the top of bars in DiscretePlot?

How can I remove edges from my DiscretePlot?


Creating a table/Matrix during a For loop


Fourier and Table to evaluate coefficients


Minimal effort method for integrating C++ functions into Mathematica


Multidimensional Interpolation with 3 independent Variables with modfied data set


Partial Derivative of f with respect to x1


When i use findparameterdistribution parameters are diffient from in reasearch why?


What is the font that is most similar to latex fonts?


How can one nested list be used to find the positions of those values in another nested list?


How to force the function to take positive value when solving PDE by NDSolve


A particular contour does not show up, even though it is in my list


Function to be used for spectral decompostion of matrix

Why do the eigenvectors for two similar matrixes differ by a large amount


Finding intersection of two infinitely long lines using points

Find intersection of pairs of straight lines


How to type this certain expression (duplicate question for reference purpose)?


How to overplot Graphics on GeoGraphics?


How can I get the exact value of this infinite series?

The proper way to write the input for a certain series


Is there any way to reveal a removable singularity in a plot?

Plot a piecewise function with black and white disks marking discontinuities


Using Apply or unpacking lists for only some arguments of a function

Splicing a list of arguments into a function with Sequence


What's the difference between Interpolation[pts, Method -> Spline] and BSplineCurve?

Arbitrary precision spline interpolation


Using FindFit for a non-trivial complex function

Does FindFit support complex numbers or doesn't it?


Where can I find examples of good Mathematica programming practice?


How to print intermediate steps of simplifying a power formula?

Get a "step-by-step" evaluation in Mathematica


BoxWhiskerPlot grouped: matching colors of outliers, whiskers, etc

Custom color for fence, whisker and outliers in BoxWhiskerChart


ColorFunction uses graphics coordinates instead of Plot3D coordinates


How to create expanding summary boxes like the ones displayed for InterpolatingFunction, NearestFunction, etc.?


Can Mathematica 9 peacefully coexist with Mathematica 8 on Windows?


How to save pictures made in the Mathematica Cloud?


How to "prepare" expression for Taylor expansion


Calculating a multiplication of large number of matrices takes a long time

Why does partitioning increase Dot execution speed?


How to set the derivative of a function to zero?

How to customize derivative behavior via upvalues?


Can I return lists with different dimensions from a compiled function?


Parameter sensitivity when integrating in Mathematica

Variable substitution when integrating with Mathematica


How to find the condition number of a matrix using Mathematica v9.0?

How to estimate the matrix condition number in the 2-Norm?


All definitions are cleared when I reopen my file

How can I make assignments persist across sessions?


How do I convert an argument list to a sequence of arguments?


Why is EigenValues returning Root expressions?


How to put Mathematica Notebooks and packages on Github?


Extracting Facebook Managed accounts (pages) in Mathematica?

How to play with Facebook data inside Mathematica?


Is there documentation on the comparative performance of Mathematica functions?


Using Mathematica to find poles of Gamma functions


Filling curves with dashed lines in both directions

Generating hatched filling using Region functionality


How can I efficiently calculate region centroids with non-uniform densities?


Manipulate a Plot that contains a variable that contains symbol

How are parameters evaluated for a Plot in Manipulate


New behavior of PlotRange in Mathematica 10


White regions in DensityPlot — is this a bug with ColorFunctionScaling?


How to fill the heart curve with solid red color?

How do I fill in a circle made by ParametricPlot with one solid color?


Point Renderings Slightly Off in Mathematica


Plot draws list of curves in same color when not using Evaluate


How to increase the image resolution of a map?


How to plot a 3D surface with a simple black and white style?


How to return position of one image inside of another

What is the fastest way to locate an image inside a larger image?


SetPrecision on a decimal gives imprecise result

N not behaving in the way I expected it would


Generate list of pairs for a function in many varibels


Series expansion to lowest non trivial order over a list


Showing the numbers greater than 0 in a list


Elegant operations on matrix rows and columns


How do I insert OwnValues inside a held expression without evaluating it?

Replace symbols with values without evaluation


How to make FindMiniumum work with delayed function and NIntegrate

What are the most common pitfalls awaiting new users?


Transform fancy usage messages in 1D string


How can I divide the elements in the 2nd column of a table by given number?


Can evaluation show what was evaluated along with results?

How do I evaluate only one step of an expression?


Adding labels to close points in a ListPlot

How to position text labels automatically to not overlap other graphics elements?


Dynamic expression (or plotting) in Manipulate

What is the difference between Dynamic[x] and Dynamic[ h[x] ] for DynamicModule variables?


How can I include graphics with transparency in LaTeX?

Problem with transparency when I export an eps file


How to get a random real number in the half-open interval [0.0,1.0)?

RandomReal closed on left & open on right?


How to use OptionValue inside a pure function


How do I save a variable or function definition to a file?


Problem of calculating the residue of a expression (to confirm the result from a paper)

Residue failed to reproduce this residue in a paper


How to apply `DiscretizeGraphics` to a tube?


Integrating a difficult function (Numerically ?)


ListPlot[Transpose[{xx,yy}]] returns blank plot

What are the most common pitfalls awaiting new users?


For $f(x) = y$, plot $f(x)$ if $y>a$ in one colour and in a different colour for $y\le a$

How do you plot the same function with different options over different intervals?


Alternative to Subsets to generate k-combinations


Rule vs RuleDelayed in the context of StringReverse

What is the difference between Set and SetDelayed?


Creating a NearestFunction that returns an index


Tensor product involving Levi Civita symbol

Contracting with Levi-Civita (totally antisymmetric) tensor


How to avoid plotting lines not defined in a Which function?

Plotting discontinuous functions without spurious vertical segments


How can I set the speed of manipulate play button?


Splitting a list into sublists with different sizes

Partitioning with varying partition size


How can we make publication-quality PlotMarkers without version 10?


How to stop the suppression of the warnings output?

How to stop Mathematica from turning off warning messages in a loop?


Transfer Learning: How to take certain layers from a pre-trained neural net, add it to a new net, and keep its variables fixed?

Is it possible to fix the weight of a certain layer during neural network training?


How to check if a 2D point is in a polygon?


Doing vector calculus with element-wise defined formulas and arbitrary-sized vectors


How do I edit the background of Axis labels in my plot?


Tensor contraction for two antisymmetric tensors


Dynamic input for Complex, Determinant output problems


Create magnified call-out loupe effect on image


What are the most common pitfalls awaiting new users?


How does a construct like `i : func[arg_] := i = an expression using arg` work?

What does the construct f[x_] := f[x] = ... mean?


Exporting Manipulate objects as .mov without UI controls

How to Export this animation as a gif file for powerpoint presentation


Create a filled ListPlot, where the points in the list come from within the regions rather than from the region boundaries


Putting plots and graphs on a word document

Transfer graphics from Mathematica to Word without loss of quality


How to plot data with different colors (or symbols) depending on a condition

Plotting piecewise function with distinct colors in each section


Finding the square root of a random number with Newton's method, using While/Do/For loops?


How to build a bvh (a motion capture file format) player in Mathematica?


Does lower case n have some significance in the Wolfram Language?

Do Table iteration variables need to be localized using Module?


Find a specific function in several notebooks


Shortest[] didn't work for StringReplace for shortest consistent match if whiteSpace involved

Get the wrong result using the StringCase function and Shortest option


How can I get the differences of all elements of list?

Fastest way to calculate matrix of pairwise distances


Plot Option Precedence while combining Plots with Show[]


BSplineFunction defies numerical solution

Convert BSplineFunction into two Interpolating Functions


Loss of scale factor when reading/recording/rereading data in a WAV file


What is the default Lighting in 3D graphics?

What is the default ColorFunction for 3D plots?


Manipulate[Plot[A[X]..., returns no output

How are parameters evaluated for a Plot in Manipulate


Part function: can we use pattern for part functions?

What are the most common pitfalls awaiting new users?


Define a function as an evaluated integral


How to split text without spaces into list of words?


How to keep the animation auto-run when I hide control bar

How can I completely remove the ListAnimate controls?


Dynamic fails to update after evaluating `Pause[]` within `Block`


Removing every member of a list from another list

How to Delete Elements from List1 appearing in List2?


What does the GraphLayout -> "SpectralEmbedding" option do (mean) when displaying a graph?

What algorithm is Mathematica 9 using for "SpectralEmbedding" of graphs?


Fast way to the Taylor series expansion coefficients of multivariable function?

Multivariable Taylor expansion does not work as expected


converting an operation on multiple arguments into an operation on a list

Splicing a list of arguments into a function with Sequence


How to know the meaning of EntityProperty of an Entity

How to know the meaning of a `EntityProperty`


Performing operations on LHS of assignment

How to create symbols from strings and set values for them?


Assign the results from a Solve to variable(s)


Why does Transpose not work after I wrap a list with NumberForm?


(Cartesian product) How to get the coordinate of points while each coordinate of each axis is known?

Combining two lists of different dimensions into a list of all combinations of points?


GridLines for a coordinate system with a particular basis


Information (??) of function defined in Package return the function with long name of variables

What is the most convenient way to read definitions of in-memory symbols when we don't have the source files? (Spelunking tools)


How to do matrix operation if the first matrix is an operator?

Computing with matrix differential operators


How to use both WSTP and MathLink libraries?

What is the difference between MathLink and WSTP? Which one should I use?


Unexpected behaviour of RegionFunction in 3D Plots

Unexpected behaviour of RegionFunction in 3D plot


How to delete arbitrary numbers of columns from a matrix in mathematica


How can I force results to be expressed in exact fractions rather than approximate decimals?


Is there any place where all current Mathematica bugs are listed?

Is there an issue tracker for already reported Mathematica bugs?


How to increase precision: $MinPrecision does not help

Funny behaviour when plotting a polynomial of high degree and large coefficients


find 20 solutions of a system of 3 equations with 7 variables

Find multiple solutions of a non-linear system with more variables that equations


Get the name of symbol inside a function

Why does this function fail when a non-function version of the same code works?


How to Map a subset of list elements to a function?


Using a numerical solver to solve a system of ODEs


Simplify — is this simplest result Mathematica can provide?

Complex number operations: telling Mathematica variables are real


Whats the difference between Cases and Select?

What best practices or performance considerations are there for choosing between Cases, Position, Pick and Select?


Given a list of date and value pairs, efficiently sum the values by date

Combining values in one column (or part) when values in another column (or part) match


Displaying equations, how to combine strings and values without evaluating everything.


How to add the duplicated positions in sparse array?


How to execute a Mathematica notebook in a shell script to produce plots/graphics

How to run a Mathematica program using command line on windows?


Performance in parameter estimation from ParametricNDSolve using varied initial conditions

How to fit 3 data sets to a model of 4 differential equations?


What do the X and Y axis stand for in the Fourier transform domain?


Enumerate all lists of $m$ non-negative integers that add to $n$


Using NDSolve for coupled PDE's with moving boundary conditions

How to solve a system of PDEs with zip condition?


Conductance from Landauer-Buttiker approach


save each picture individually to individual jpg file (export image)

How to automate generation of image files?


What is the meaning after a number with a ` symbol?

Meaning of backtick in floating-point literal


How to use ReplaceAll and RuleDelayed with an Association?

Pattern matching to a function evaluation inside an Association


How can I say that all quantities need to be positive (and real)?

How to specify assumptions before evaluation?


Why does reduce return the root of a pure function?


Raising a negative number to a fractional power, why the result is different?

Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)


Manipulate plot using solution from Solve

How are parameters evaluated for a Plot in Manipulate


Mathematica won't multiply a numeric matrix by a symbolic matrix

Why does MatrixForm affect calculations?


Loading Cell Option Definitions on Kernel Launch for Stylesheets

Programming scripts to create and modify stylesheets: problems with contexts


I want to extract coefficients of a linear formula. But my code didn't work

Evaluating an If condition to yield True/False


Axes position and axes label in RevolutionPlot


Is it possible to assign numbers generated in an Error-Message?


How can I specify the arrowhead size in printers points?


Plotting a list along with its trend line


How to center the labels on a bar chart so they are directly under their respective bar?

Labeling a bar chart, changing how rotated labels are centered


How do I draw a DensityPlot in polar coordinates?


How do I define a function that uses a recurrence relation?

How to deal with recursion formula in Mathematica?


Combining the second elements of a set of ordered pairs based on their first element

Combining values in one column (or part) when values in another column (or part) match


Problem with color using ListDensityPlot

White regions in DensityPlot — is this a bug with ColorFunctionScaling?


Why does ColorConvert give a different answer than other websites when converting from RGB to XYZ?


Getting different results with `Abort` run in the documentation window vs a notebook (probably newlines)

stop notebook evaluation when Assert fails


How to force N[ ] to output the real value (or all values) for negative cube roots

Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)


How can I create specific color scheme in Mathematica

Constructing ColorData with blue, white and red color


Split one string about a fixed width with `SyntaxQ=True`

Programmatic formatting for Mathematica code - possible?


Get the name of a symbol passed to a function


Make different Mathematica notebooks stop talking to each other

Is there a way to separate variables between multiple notebooks?


Sqrt disappeared when exporting plot to PDF in version 10


How to express ticks in scientific form?


extract dynamic values from video frames

Use TextRecognize to grab timestamps from a video frame


Optimize the code to run faster (with MatrixPower and Partition)


Dataset: cannot reproduce a basic example. A bug?


how to extract a matrix and a vector from a vector

How to read off coefficients of tensor-like expression in a speedy way?


How do you make basic substitutions in Mathematica?

Replacing composite variables by a single variable


Plot two functions in the same plot with different vertical axes, colors, and labels


Funny behaviour when plotting a polynomial of high degree and large coefficients


Find the nearest exact form of an irrational number

Can Mathematica propose an exact value based on an approximate one?


How to set a value to the symbol denoted by a given string?

How to create symbols from strings and set values for them?


2D inhomogeneous biharmonic equation with wedged edge


Is it possible to Compile the function with string argument?

How to compile a function whose arguments are lists containing strings?


How do I choose only one branch of ArcTan?

Implementing continuous phase/Arg function


How to copy a number from an error message?

How to catch complete error message information, including the message text as it would be printed?


How to solve fluid flow problem based on Navier-Stokes equations?

Nonlinear FEM Solver for Navier-Stokes equations in 2D


.nb file containing large data is not saved correctly

Saving data inside a notebook so that I don't have to run it again?


How can I add a tangent arrow at a certain point of a curve in a LogPlot?

Equation of a line that is tangent to a curve at point


How to resolve these errors that pop up when using 'Compile' for a large function?

Code to solve quadratically constrained quadratic optimisation problem using FindMinimum is very slow. How do I make it faster?


How to plot periodic function's graphic?


Using variables in file names during import/export

How to dynamically name and date a file for export?


Hypergeometric function with large parameters

Funny behaviour when plotting a polynomial of high degree and large coefficients


To pull expressions that are independent of the variables of integration outside of that integral


Annoying display truncation of numerical results


VertexShapeFunction with string pattern matching

Why doesn't PatternTest work with Composition?


Normal of Translate works in 3d but not 2d

Why doesn't Normal[] work on GeometricTransformation?


How can I ask mathematica to fill in small marginal area in regionplot3d?

How do I avoid the gaps introduced by a frame on a plot?


How to generate all the combinations with repetition and another conditions?

How to create all possible permutations?


Documentation on the attribute OneIdentity

Given the OneIdentity attribute why is GCD[a] evaluated to GCD[a]?


How do I visualize $\exp(z)$ as a complex mapping?


How to replace the first occurence in an expression instead of replacing all?


How can I specify position of ContourLabel?


How can I collect data for visualization of quick sort?


Using Solve on a polynomial equation (5th degree) to get the inverse function


How can I set tick marks on the x axis in RectangleChart?

How can I set the tick marks of the x axis in RectangleChart?


Using HoldFirst at the same time as Apply


How to turn off new feature in Mathematica

How do I remove the little × that shows up in the frontend when typing?


Why does Mathematica not restrict the domains of Rational Expressions?


How do I perform string matching and replacements?


Pattern matching multiple symbols names and powers


How does epilog position work in logplots?


How do I remove curly brackets around each element in a list?


What can the *MutationHandler* functions do?


Plotting function in cylindrical coordinates (r,theta,z)

How do I make a 3DPlot using cylindrical coordinates?


The relation between Wolfram development platform and Mathematica.

List of Mathematica related acronyms and their real meaning


Sort Voronoi cells by their generator points

Site - Cell Correspondence in Voronoi Diagram obtained via VoronoiMesh


Strange behavior of symbol::messageName in debugger

Strange bug with "MessageName[a,b] is not of the form symbol::name ", Debugger & cursor location


Strange shaking of the output of TreeForm

How to stop TreeForm from shaking when changing resolution?


How may I eliminate a gap appearing in a surface drawn with ParametricPlot3D?

Why does Plot3D omit parts of the surface at kinks?


RegionPlot generates unwanted mesh lines

Removing unwanted appearance of underlying mesh


ParametricNDSolve can't find initial value

Initial time as parameter in ParametricNDSolve


This integro-differential equation will be able to generate a graph? Use the MATLA

How to validate the solution of a system of integro-differential equations?


How to form a block-diagonal matrix from a list of matrices?


DeleteDuplicates[] does not work as expected on floating point values


How to get partial results from Subsets[]?

Alternative to Subsets to generate k-combinations


How to get the population of Maryland for all years Wolfram has data on?

How to get the US population for every year Wolfram has data on?


Accessing a list element with a variable as index

Elements operation in the corresponding position of a matrix


Global` context not empty at startup in v10.2.0

Potential pollution of Global` context in fresh kernel


The function is real, while its integral is complex

DSolve gives complex function although the solution is a real one


Package functions and symbolic calculations


How to extract all sub-strings of string with a specified start and end using StringCases?


Grabbing the independent columns of a matrix A


making a function including a derivative of other equations as variables


Why N[...] Function is opperationg on the index


Solving nonlinear diffusion equation by NDSolve

Boundary condition with spatial derivative is ignored by NDSolve


Lazy form of Tuples/Outer to loop over list of lists


Does Mathematica have advanced indexing?


Selecting 1st $n$ elements meeting criterion from very long list


Display vertical histogram alongside a list plot

How can I make an X-Y scatter plot with histograms next to the X-Y axes?


Solving for the coefficients of a series


Implementing periodic boundary conditions in NDSolve

PDE list of equations, derivative for boundarry condition evaluates to true


Changing the grouping of an user defined infix operator

Change Operator Precedence of --> operator


What is the fastest way to delete multiple entries from a list?

How to Delete Elements from List1 appearing in List2?


What are the differences between the following two functions, explaining to a MMA novice?

What are the most common pitfalls awaiting new users?


How to plot and solve the numerical solution of a integro-differential equation


How to use mathematica to maximize a function of two variables with respect to one variable, and get the corresponding function for another variable

Plot a function after taking the supremum with respect to one variable


What do brackets around a levelspec option do?


Histogram with frequency data - option FrequencyData from mathematica 5.2

How can we create a histogram distribution from binning data?


How to print strings and numbers inside a While?

Output of plots from within Do[ ] Command


Finding coefficient of a term in power series expansion of some function

Find closed form expression for series expansion coefficients


Evaluating the product of a matrix sequence


Is manual adjustment of AccuracyGoal and PrecisionGoal useless?


An efficient circular arc primitive for Graphics3D


Contracting with Levi-Civita (totally antisymmetric) tensor


Operating on a dataset named "data" triggers an error message

Streaming`LazyList`Testing may have a leak


White regions in DensityPlot — is this a bug with ColorFunctionScaling?


Getting input file name and directory with wolframscript

Difference between "wolframscript -f" and "wolframscript -script"


Elegant operations on matrix rows and columns


Context not created when Needs was evaluated

How do I create a package from an existing notebook?


How can I put back the Messages window back to the main Notebook?

How to show error messages in current notebook?


Plotting a distribution of charge into a sphere?


How to symbolically represent N-dimensional matrix?

Can Mathematica do symbolic linear algebra?


Transforming the x-axis of a figure created with customticks package

How can I write the frame ticks in Scientific Form?


Stand alone ParametricPlot3D image file for others' 3D viewing

Can Mathematica produce manipulatable 3D plots for deployment on the web?


How do I make a log plot where the plot is logarithmic in the distance from the X-Axis (including negative values)?


Problem displaying uppercase "I" in a string

Using the symbol I for electrical current


How to remove all buttons in Manipulate, except the input fields?


how to Draw the letter geometrically by points


a question about cdf player embedable demonstration


What are the most common pitfalls awaiting new users?


Append columns to a Dataset without unpacking via Normal


How can I reverse the direction of the y axis of a list vector plot?

How to reverse the direction of the y axes


What is the default Color Gradient used by ContourPlot?

What's the default colormap (or color scheme) used in mathematica?


Using more than 6 kernels in ParallelTable function


Is it possible to obtain the algebraic expression of an InterpolatingFunction?

Extracting the function from InterpolatingFunction object


How to extract the domain of the definition of the interpolating function?

What's inside InterpolatingFunction[{{1., 4.}}, <>]?


Does Mathematica know about identity involving ArcSin(Cos(x))?


Web Browsing Automation with Mathematica


How to extend a function by period and display it

How to plot periodic function's graphic?


How to rasterize a Graphics3D expression into an Image3D?

How to convert Graphics3D object into an Image3D object?


How to add a number, say, 1 to a random real number in Mathematica?

What is the difference between Set and SetDelayed?


How to find the minimum positive period of a function

How to find the period of an arbitrary mathematical function?


How can I return only folders when using FileNames[...]

List all the directories under the current one


Controlling the 2D $x–y$ aspect ratio of a 3D plot


Manipulating two list into a single list of two dimensions


How do you round numbers so that it affects computation?