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Everything from arithmetic, algebra, calculus, and geometry to analysis, logic, set theory, and uncertainty.

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Plot a stream function?

QUESTION FROM: Nurul Ainina | 9 years ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
3
REPLIES
7.3K
VIEWS

Draw a ParametricPlot3D space curve as an arrow?

QUESTION FROM: Werner Geiger | 9 years ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language , ...
11
REPLIES
14.4K
VIEWS

Fix recursive algorithm that doesn't call certain parts?

QUESTION FROM: k b | 9 years ago BY: Bill Simpson
Finance , Mathematics , Wolfram Language
1
REPLIES
7.9K
VIEWS

Understand different integration results with practically the same input?

QUESTION FROM: Fernando Santos | 9 years ago BY: Fernando Santos
Calculus , Mathematics , Wolfram Language
2
REPLIES
4.7K
VIEWS

[?] DirectedEdges invalid for small-world nor scale-free network generation

QUESTION FROM: Chi-Hsiang Wang | 9 years ago BY: Chi-Hsiang Wang
Graphs and Networks , Mathematics , Wolfram Language
2
REPLIES
5.6K
VIEWS

Solve the following problem with boundary condition using version 11.01.?

QUESTION FROM: claygruesbeck | 9 years ago BY: claygruesbeck
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
7.1K
VIEWS

Run this integral code faster?

QUESTION FROM: Yonggang Luo | 9 years ago BY: Yonggang Luo
Algebra , Calculus , Mathematics , Numerical Computation , ...
4
REPLIES
6.2K
VIEWS

Avoid problem with Minimize of a WSTP function?

QUESTION FROM: Gijsbert Wiesenekker | 9 years ago BY: Szabolcs Horvát
Mathematics , Modeling , Wolfram Language
3
REPLIES
7.5K
VIEWS

[?] Plot this gaussian function?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
7.3K
VIEWS

[?] Export palette from Mathematica into .pal file

QUESTION FROM: Markus Schmidt | 9 years ago BY: Sander Huisman
Import and Export , Mathematica , Mathematics , Modeling , Optics , ...
5
REPLIES
11.9K
VIEWS

Force to replace the derivatives of a function with given expression?

QUESTION FROM: Clément Justin | 9 years ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
7
REPLIES
14.2K
VIEWS

[?] Simplify InverseZTransform output?

QUESTION FROM: K M | 9 years ago BY: K M
Equation Solving , Mathematics , Signal Processing , ...
2
REPLIES
7.1K
VIEWS

Find y' in terms of y?

QUESTION FROM: Nathan Kilcrease | 9 years ago BY: Nathan Kilcrease
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.6K
VIEWS

The puzzled ant and particle filter

QUESTION FROM: Ali Hashmi | 9 years ago BY: EDITORIAL BOARD
Staff Picks , Graphics and Visualization , Mathematics , Recreation , ...
3
REPLIES
14.9K
VIEWS

Plot the following trigonometric function?

QUESTION FROM: Ani Alaverdyan | 9 years ago BY: Sander Huisman
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
3K
VIEWS

[?] Solve this problem using graph theory?

QUESTION FROM: Juan Preciado | 9 years ago BY: Szabolcs Horvát
Graphs and Networks , Mathematics , Wolfram Language
3
REPLIES
7.2K
VIEWS

Use the GreenFunction to solve a problem about beams?

QUESTION FROM: Clem Ba | 9 years ago
Equation Solving , Mathematics , Physics , Wolfram Language
0
REPLIES
2.9K
VIEWS

Plot auto-extracted sub-matrices?

QUESTION FROM: Jesse Martin | 9 years ago BY: Jesse Martin
Graphics and Visualization , Mathematics , Signal Processing , ...
2
REPLIES
8.6K
VIEWS

Avoid indeterminate result after simplifying a function?

QUESTION FROM: Alberto Silva Ariano | 9 years ago BY: Alberto Silva Ariano
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
9K
VIEWS

Find digital sums and digital roots?

QUESTION FROM: Geoffrey Marnell | 9 years ago BY: Geoffrey Marnell
Equation Solving , Mathematics , Wolfram Language
6
REPLIES
9.2K
VIEWS

Why am I getting a different answer for this trig function than my textbook

QUESTION FROM: Tyler H | 9 years ago BY: Sander Huisman
Mathematics , Wolfram|Alpha
2
REPLIES
6.3K
VIEWS

[?] Plot a left and a right axis with ListPlot?

QUESTION FROM: Andras Gilicz | 9 years ago BY: Jos Klaps
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
15.4K
VIEWS

Use a random number generator in Select?

QUESTION FROM: Chi-Hsiang Wang | 9 years ago BY: Chi-Hsiang Wang
Mathematics , Statistics and Probability , Wolfram Language
8
REPLIES
5.9K
VIEWS

Get step-by-step solutions with Wolfram|Alpha Pro?

QUESTION FROM: Grant Larsen | 9 years ago BY: Grant Larsen
Calculus , Mathematics , Symbolic Computations , Wolfram|Alpha , ...
2
REPLIES
26.3K
VIEWS

[?] NSolve[2x== 0,x] return {{}} in Mathematica 11.0.1?

QUESTION FROM: Gijsbert Wiesenekker | 9 years ago BY: Walter Haeffner
Equation Solving , Mathematica , Mathematics , ...
23
REPLIES
22.5K
VIEWS

Solve a system of 4 non-linear equations?

QUESTION FROM: Sabah Rezvani | 9 years ago BY: Jim Baldwin
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram|Alpha Apps
1
REPLIES
10.1K
VIEWS

Solve large equation with parameters?

QUESTION FROM: Alex Yakubovich | 9 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
6.2K
VIEWS

Integrate a bessel function?

QUESTION FROM: Monir Hasan | 9 years ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
17.9K
VIEWS

Obtain the moments of a probability mass function?

QUESTION FROM: Seyi Olorire | 9 years ago BY: Jim Baldwin
Mathematics , Physics , Statistics and Probability , Wolfram Language
5
REPLIES
6.6K
VIEWS

Use IF, condition with {} ?

QUESTION FROM: margherita ferrucci | 9 years ago BY: margherita ferrucci
Logic and Boolean Algebra , Mathematics , Wolfram Language
2
REPLIES
9.7K
VIEWS

Convert csv data into Interpolation input?

QUESTION FROM: Gijsbert Wiesenekker | 9 years ago BY: Sander Huisman
Mathematics , Wolfram Language
1
REPLIES
5.8K
VIEWS

[?] Why does Assuming[x > 0, x < 0] not return False?

QUESTION FROM: Sebastian Neumann | 9 years ago BY: Sander Huisman
Mathematics , Wolfram Language
8
REPLIES
6.9K
VIEWS

Avoid crashing the Kernel when I change the table intervals?

QUESTION FROM: Jillian Vlah | 9 years ago BY: Jillian Vlah
High-Performance Computing , Mathematics , Tuning and Debugging , ...
8
REPLIES
9.4K
VIEWS

Find the optimal virtual phone numbers to buy for X customers area codes?

QUESTION FROM: David Johnston | 9 years ago BY: CJ B
Data Science , Machine Learning , Optimization , Mathematics , ...
11
REPLIES
20.9K
VIEWS

Function like NDEigensystem, but to find eigenvalues of larger magnitude?

QUESTION FROM: Austin B | 9 years ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
6.6K
VIEWS

Check the answer of a differential equation when I put it in Wolfram Alpha?

QUESTION FROM: jorge aldape | 9 years ago BY: jorge aldape
Algebra , Calculus , Equation Solving , Mathematics , Wolfram|Alpha
3
REPLIES
10.1K
VIEWS

Avoid issue with Webservice API ? - duplicates in query result

QUESTION FROM: Peter Krall | 9 years ago
Algebra , Equation Solving , Interface Construction , Mathematics , ...
0
REPLIES
4.6K
VIEWS

Find global and local optima of a function?

QUESTION FROM: Valeriu Ungureanu | 9 years ago BY: Valeriu Ungureanu
Calculus , Optimization , Mathematics , Numerical Computation , ...
5
REPLIES
9K
VIEWS

Listing off summations in Mathematica 11.1?

QUESTION FROM: Dustin Deegan | 9 years ago BY: Valeriu Ungureanu
Mathematics , Wolfram Language
5
REPLIES
7.2K
VIEWS

[?] Generate all sequences of n integer that range from 1 to n?

QUESTION FROM: Clément Justin | 9 years ago BY: Henrik Schachner
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
8
REPLIES
9.3K
VIEWS

Avoid issues with Minimize, Argmin and other optimization functions?

QUESTION FROM: S G | 9 years ago BY: Frank Kampas
Optimization , Mathematics , Wolfram Language
3
REPLIES
13K
VIEWS

[?] Solve a differential equation using WhenEvent?

QUESTION FROM: Jose Luis Lara | 9 years ago BY: Jose Luis Lara
Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
4.4K
VIEWS

Convert from a closed form to the truth table using Boolean functions?

QUESTION FROM: Mary Shepard | 9 years ago BY: Hans Milton
Logic and Boolean Algebra , Mathematics , Wolfram Language
2
REPLIES
9.8K
VIEWS

Create a scatter plot with 2 coordinate systems, one is rotated by theta?

QUESTION FROM: Khalid Aram | 9 years ago BY: Sander Huisman
Data Science , Graphics and Visualization , Mathematics , ...
3
REPLIES
7.6K
VIEWS

Solve a second order nonlinear differential equation?

QUESTION FROM: ash ash | 9 years ago
Equation Solving , Mathematics , Wolfram Language
0
REPLIES
5.4K
VIEWS

Add a Graphics Directive?

QUESTION FROM: Anonymous User | 9 years ago BY: Sander Huisman
Graphics and Visualization , Mathematics , Packages , Wolfram Language
6
REPLIES
5.9K
VIEWS

[?] Solve equation system with more variables than equations?

QUESTION FROM: Filip Joneus | 9 years ago BY: Filip Joneus
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
8.8K
VIEWS

[?] Plot function with two or more variables?

QUESTION FROM: Mariana Melleu | 9 years ago BY: Brad Klee
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
5.5K
VIEWS

Use a proper optimization function for a profit model?

QUESTION FROM: Scott T | 9 years ago BY: Neil Singer
Optimization , Mathematics , Modeling , Wolfram Language
6
REPLIES
6.4K
VIEWS

Redefine a sum function that factors out 'constants' ?

QUESTION FROM: zhu xiaoming | 9 years ago BY: Sander Huisman
Equation Solving , Mathematics , Wolfram Language
1
REPLIES
5.3K
VIEWS

Plot a folium of Descartes with ParametericPlot?

QUESTION FROM: Javad Emami | 9 years ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
7.4K
VIEWS

Use 'Distribute' on large polynomial expression without simplifying?

QUESTION FROM: Abraham Varghese | 9 years ago
Discrete Mathematics , Mathematics , Symbolic Computations , ...
0
REPLIES
3.4K
VIEWS

Determine allowable values in the torus: y = Sqrt[(r^2 - (x - R)^2)]?

QUESTION FROM: Stephen Fedewa | 9 years ago BY: Stephen Fedewa
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
3.3K
VIEWS

Use K-Leave Out Cross Validation method for fitting?

QUESTION FROM: Okkes Dulgerci | 9 years ago BY: Okkes Dulgerci
Optimization , Mathematics , Modeling , Numerical Computation , ...
1
REPLIES
6.8K
VIEWS

Avoid problem fitting Complex part of equation with FindFit?

QUESTION FROM: Pradyotta Biswal | 9 years ago BY: Jim Baldwin
Optimization , Mathematics , Modeling , Physics , Wolfram Language
5
REPLIES
9.6K
VIEWS

Perform formal concept analysis using the Wolfram Language?

QUESTION FROM: Mariana Espinosa | 9 years ago
Data Science , Graphs and Networks , Mathematics , Wolfram Language
0
REPLIES
2.8K
VIEWS

Testing for beauty

QUESTION FROM: Todd Rowland | 9 years ago BY: EDITORIAL BOARD
Staff Picks , Architecture , Computational Humanities , ...
2
REPLIES
18.4K
VIEWS

Why is this integral different when the variable is substituted?

QUESTION FROM: Alexander Dunlap | 9 years ago BY: Alexander Dunlap
Calculus , Mathematics , Wolfram Language
6
REPLIES
8.8K
VIEWS

[?] Interpolate a 3D vector field?

QUESTION FROM: Tomi Baikie | 9 years ago BY: Sander Huisman
Graphics and Visualization , Optimization , Mathematics , Modeling , ...
3
REPLIES
7.4K
VIEWS

Create a plot of vectors using a Do-Loop?

QUESTION FROM: Terry Ackerman | 9 years ago BY: Sander Huisman
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
4.1K
VIEWS

Correct a NDSolve approach when an argument contains an InverseFunction?

QUESTION FROM: Mervin Hanson | 9 years ago BY: Mervin Hanson
Chemistry , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
10.6K
VIEWS

[?] Use SetDelayed for a selected set of indices?

QUESTION FROM: K X | 9 years ago BY: K X
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.9K
VIEWS

Solve an equation with a Piecewise function?

QUESTION FROM: Pio Tyldens | 9 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
6.2K
VIEWS

[?] Manipulate of a 2-D plot?

QUESTION FROM: Terry Ackerman | 9 years ago BY: Hans Dolhaine
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
3
REPLIES
5.9K
VIEWS

Make blinking work for all percentages of the screens?

QUESTION FROM: Ernesto Espinosa | 9 years ago
Dynamic Interactivity , Mathematica , Mathematics , User Interface , ...
0
REPLIES
5.6K
VIEWS

FindClusters versus ClusteringComponents?

QUESTION FROM: Jan Baetens | 9 years ago BY: Sam Carrettie
Data Science , Machine Learning , Mathematica , Mathematics , ...
4
REPLIES
12.2K
VIEWS

Calculate (A*Nabla)B ?

QUESTION FROM: mkssion | 9 years ago BY: Ivan Siahlo
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
7.1K
VIEWS

Solve an Elliptic PDE for u[x,y] with the rhs given by numerical f[u]?

QUESTION FROM: Maxim Lyutikov | 9 years ago BY: Maxim Lyutikov
Equation Solving , Mathematics , Wolfram Language
4
REPLIES
3.3K
VIEWS

[?] Locator constrained by polygon and NSolve

QUESTION FROM: Andras Gilicz | 9 years ago BY: Andras Gilicz
Dynamic Interactivity , Equation Solving , ...
2
REPLIES
5.3K
VIEWS

[?] Solve the highlighted area?

QUESTION FROM: Bayasgalan Bayasgalan | 9 years ago BY: Bayasgalan Bayasgalan
Graphics and Visualization , Mathematica , Mathematics , Wolfram|Alpha
3
REPLIES
10.4K
VIEWS

Solve definite integrals?

QUESTION FROM: studygroups 2000 | 9 years ago BY: studygroups 2000
Calculus , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
11.4K
VIEWS

Using NetModel to "fine tune" models with new final layers?

QUESTION FROM: David Cardinal | 9 years ago BY: David Cardinal
Machine Learning , Mathematics , Neural Networks , Wolfram Language
9
REPLIES
23.5K
VIEWS

Transform a graph into the following one?

QUESTION FROM: Rak Univ | 9 years ago BY: Christopher Wolfram
Discrete Mathematics , Graphs and Networks , Mathematics , ...
1
REPLIES
9.7K
VIEWS

Grid Search for SupportVectorMachine (SVM) Method in Classify[] ?

QUESTION FROM: Manjunath Babu | 9 years ago
Data Science , Machine Learning , Mathematics , Wolfram Language
0
REPLIES
6.3K
VIEWS

[?] Plot an asymptote with conditions?

QUESTION FROM: Ernesto Espinosa | 9 years ago BY: Ernesto Espinosa
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
6.9K
VIEWS

Get the original sequence in W|A with "inverse fft of fft of {0,1,2,3}"?

QUESTION FROM: Nikolay Tsenkov | 9 years ago BY: Nikolay Tsenkov
Algebra , Mathematics , Signal Processing , Wolfram|Alpha , ...
10
REPLIES
14.2K
VIEWS

Calculate the inverse of the special error function erf?

QUESTION FROM: Tahar Latrache | 9 years ago BY: Brad Klee
Mathematics , Wolfram Language
1
REPLIES
6.2K
VIEWS

[?] Transform an expression to a certain form?

QUESTION FROM: J P | 9 years ago BY: J P
Algebra , Mathematics , Wolfram Language
3
REPLIES
10.8K
VIEWS

Solve second order differential equations with DSolve?

QUESTION FROM: ugo gorini | 9 years ago BY: ugo gorini
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
9.3K
VIEWS

Get FortranForm of fraction?

QUESTION FROM: J P | 9 years ago BY: Neil Singer
External Programs and Systems , Import and Export , Mathematics , ...
1
REPLIES
5.7K
VIEWS

Use FindClusters with the following elements structure?

QUESTION FROM: Bruce Colletti | 9 years ago BY: Bruce Colletti
Machine Learning , Mathematics , Statistics and Probability , ...
5
REPLIES
10.1K
VIEWS

Adjust eigenvalues to reflect proper avoided crossing behavior?

QUESTION FROM: Jason Bennett | 9 years ago BY: Jason Bennett
Graphics and Visualization , Mathematics , Physics , Wolfram Language
3
REPLIES
4.7K
VIEWS

How to solve Pythagorean Formula with Quantity Variables?

QUESTION FROM: Alexander Radchenko | 9 years ago
Equation Solving , Mathematics , Symbolic Computations , Units , ...
0
REPLIES
4.1K
VIEWS

Optimization using NMinimize and data fitting help?

QUESTION FROM: Okkes Dulgerci | 9 years ago
Graphics and Visualization , Optimization , Mathematics , ...
0
REPLIES
3.9K
VIEWS

Find a feasible solution with LinearProgramming function?

QUESTION FROM: Kun Fang | 9 years ago BY: Kun Fang
Equation Solving , Optimization , Mathematics , Wolfram Language
5
REPLIES
9.1K
VIEWS

Avoid error in the time-dependent angles defined within the PolarPlot?

QUESTION FROM: Tim Kirkpatrick | 9 years ago BY: Tim Kirkpatrick
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
3
REPLIES
9.2K
VIEWS

Solve l^2+t^2 v^2==c^2 t^2 for t ?

QUESTION FROM: Alexander Radchenko | 9 years ago
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
3.4K
VIEWS

Assign FormulaData to a variable?

QUESTION FROM: Alexander Radchenko | 9 years ago BY: Sander Huisman
Equation Solving , Mathematics , Physics , Wolfram Language
3
REPLIES
5K
VIEWS

Install and use the package "MathLie" in Mathematica 10.0?

QUESTION FROM: Usman Afzal | 9 years ago
External Programs and Systems , Mathematica , Mathematics , ...
0
REPLIES
5.5K
VIEWS

Solve a simple equation with Reduce[ ]?

QUESTION FROM: Mattias A | 9 years ago BY: Bill Simpson
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.1K
VIEWS

Solve two equations of motion?

QUESTION FROM: B Patel | 9 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.9K
VIEWS

Improve speed while using Simplify[ ]?

QUESTION FROM: Xiaoxu Zhong | 9 years ago BY: Updating Name
Algebra , High-Performance Computing , Mathematics , ...
3
REPLIES
10.7K
VIEWS

Compute the sum of all entries along an super- or sub-anti-diagonal?

QUESTION FROM: K X | 9 years ago BY: K X
Mathematics , Wolfram Language
2
REPLIES
4.4K
VIEWS

CentralMoment[2] vs. Variance using WeightedData

QUESTION FROM: Sander Huisman | 9 years ago BY: Sander Huisman
Algebra , Mathematica , Mathematics , Statistics and Probability , ...
5
REPLIES
8.4K
VIEWS

Create a function/method and return a matrix as a result?

QUESTION FROM: K X | 9 years ago BY: K X
Mathematics , Wolfram Language
8
REPLIES
13.2K
VIEWS

3D printing from images?

QUESTION FROM: Mark Braithwaite | 9 years ago BY: Mark Braithwaite
3D Printing , Graphics and Visualization , Image Processing , ...
2
REPLIES
10.4K
VIEWS

Create LogLogPlot of power function?

QUESTION FROM: stephen lukacs | 9 years ago BY: stephen lukacs
Equation Solving , Graphics and Visualization , Mathematics , ...
6
REPLIES
4.9K
VIEWS

Speeding up Solve or NSolve?

QUESTION FROM: Alex Yakubovich | 9 years ago BY: Daniel Lichtblau
Equation Solving , High-Performance Computing , Mathematics , ...
4
REPLIES
12.6K
VIEWS

Networks' complexity measures with Wolfram Language?

QUESTION FROM: Vitaliy Kaurov | 9 years ago BY: Hector Zenil
Graphs and Networks , Mathematics , ...
13
REPLIES
25.8K
VIEWS

Unexpected NMinimize result?

QUESTION FROM: Okkes Dulgerci | 9 years ago BY: Okkes Dulgerci
Optimization , Mathematics , Modeling , Numerical Computation , ...
3
REPLIES
6.2K
VIEWS
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