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

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Plotting the solution of an integral equation

QUESTION FROM: Mahnoor Khan Sumbal | 4 years ago BY: Mahnoor Khan Sumbal
Calculus , Equation Solving , Graphics and Visualization , ...
10
REPLIES
3.9K
VIEWS

Unexpected result from Simplify?

QUESTION FROM: Waulu S | 4 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.1K
VIEWS

Write a ResourceFunction to improve LogitModelFit or get Wolfram to fix it?

QUESTION FROM: Seth Chandler | 4 years ago BY: Jim Baldwin
Machine Learning , Mathematica , Mathematics , ...
16
REPLIES
15.5K
VIEWS

Find all roots to an equation?

QUESTION FROM: Jhn Doe | 4 years ago BY: Igor Kotelnikov
Algebra , Equation Solving , Graphics and Visualization , ...
8
REPLIES
19.1K
VIEWS

Series is unexpectedly convergent by Wolfram|Alpha

QUESTION FROM: Tomas Torstensson | 5 years ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram|Alpha , ...
8
REPLIES
11K
VIEWS

Comparing two lists and use of resolve

QUESTION FROM: Jesse Stern | 5 years ago BY: Jesse Stern
Mathematics , Wolfram Language
10
REPLIES
7.9K
VIEWS

Where are notebooks for "Classical Mechanics with Mathematica", 2nd ed?

QUESTION FROM: Murray Eisenberg | 5 years ago BY: Raspi Rascal
Authoring and Publishing , Mathematica , Mathematics , Physics , ...
10
REPLIES
19.7K
VIEWS

Find these Transcendental equation's solution?

QUESTION FROM: Muhammad Afzal | 5 years ago BY: Sunanda Lakkimsetti
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
19
REPLIES
12.7K
VIEWS

Mann-kendall (MK) trend test in Mathematica ?

QUESTION FROM: Alex Teymouri | 5 years ago BY: Alex Teymouri
Mathematics , Statistics and Probability , Wolfram Language
3
REPLIES
7.8K
VIEWS

VARIANCE and PDF

QUESTION FROM: Mauro Benjamin Mistretta | 5 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
5
REPLIES
8.8K
VIEWS

Solve a system of ODE's with DSolve[ ]?

QUESTION FROM: Jay Gourley | 6 years ago BY: Jay Gourley
Biological Sciences , Calculus , Equation Solving , Mathematics , ...
4
REPLIES
9K
VIEWS

Save the interpolation function that is a result of NDsolve?

QUESTION FROM: Markus Schmidt | 6 years ago BY: Tony Coliderse
Calculus , Equation Solving , Mathematics , Modeling , ...
14
REPLIES
22.3K
VIEWS

Revisit IMO 2009 Short List N2

QUESTION FROM: Shenghui Yang | 6 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Mathematics , Wolfram Cloud , ...
1
REPLIES
10K
VIEWS

Open loop transfer function 50/(s^3+2s^2+s+4) ?

QUESTION FROM: Don Patterson | 6 years ago BY: Suba Thomas
Control Systems , Mathematics , Wolfram Language
4
REPLIES
10.6K
VIEWS

Get a real-valued root?

QUESTION FROM: Kevin Huang | 6 years ago BY: Kevin Huang
Mathematics , Wolfram|Alpha , Wolfram Language
7
REPLIES
7.2K
VIEWS

Define a function to plot a geodesic arc between 2 points on a unit sphere

QUESTION FROM: Les Wigdor | 6 years ago BY: Hans Milton
Geographic Information System , Geometry , Mathematics , ...
8
REPLIES
7.4K
VIEWS

What exactly is "Standard Error" in the Parameter Table of LinearModelFit?

QUESTION FROM: Ian Smith | 6 years ago BY: Robert Ferguson
Data Science , Mathematics , Modeling , Statistics and Probability , ...
1
REPLIES
10.1K
VIEWS

Find a missing number in a sequence of numbers.

QUESTION FROM: Artin Hatzikioseyian | 6 years ago BY: Jim Baldwin
Algebra , Calculus , Mathematics , Wolfram Language
9
REPLIES
9.5K
VIEWS

Why does FourierTransform return 0, while it's obviously incorrect?

QUESTION FROM: feature engineer | 6 years ago BY: feature engineer
Calculus , Mathematics , Optics , Physics , Wolfram Language
4
REPLIES
8.4K
VIEWS

Optimizing code that numerically evaluates line integrals on Mesh/Grid

QUESTION FROM: Tharindu W Fernando | 6 years ago BY: Tharindu W Fernando
Graphics and Visualization , High-Performance Computing , ...
4
REPLIES
6.9K
VIEWS

How do I display a graphic above an image?

QUESTION FROM: Mark Greenberg | 6 years ago BY: Gianluca Gorni
Graphics and Visualization , Mathematica , Mathematics , ...
10
REPLIES
6.4K
VIEWS

Solve the following equation f[f[a+b]]==f[2a]+2f[b]?

QUESTION FROM: ismail ali | 7 years ago BY: Todd Rowland
Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
9.4K
VIEWS

Use the Shannon sampling to find an analytic expression for some 2D data?

QUESTION FROM: Jaime de la Mota | 7 years ago BY: Eleazar Johannian
Data Science , Mathematics , Signal Processing , ...
5
REPLIES
8.1K
VIEWS

Make NMinimize use a variant of Differential Evolution for Optimization?

QUESTION FROM: Gaurav Saxena | 7 years ago BY: Gaurav Saxena
Computer Science , Engineering , Optimization , Mathematics , ...
5
REPLIES
9K
VIEWS

Why N is not affecting the rest of Power, but not NHoldRest is set?

QUESTION FROM: Martin Guttmann | 7 years ago BY: Sander Huisman
Algebra , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
8K
VIEWS

[WSC19] Visualizing Fourier Synthesis

QUESTION FROM: Mukilan Karthikeyan | 7 years ago BY: Mukilan Karthikeyan
Calculus , Discrete Mathematics , Graphics and Visualization , ...
7
REPLIES
26.9K
VIEWS

[?] Solve an equation with a constraint?

QUESTION FROM: Alex Graham | 7 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Wolfram Language
3
REPLIES
7.2K
VIEWS

Get the same FourierTransform results across different versions?

QUESTION FROM: Brian Gerwe | 7 years ago BY: Brian Gerwe
Mathematica , Mathematics , Signal Processing , ...
5
REPLIES
11.2K
VIEWS

Use Simpson2D rule?

QUESTION FROM: Hong-Yee Chiu | 7 years ago BY: Hong-Yee Chiu
Mathematics , Physics , Wolfram Language
3
REPLIES
4.7K
VIEWS

Mathematica does not simplify Sqrt[x^2] in expressions?

QUESTION FROM: LV VS | 7 years ago BY: Henrik Schachner
Calculus , Computer-Based Maths , Mathematica , Mathematics
4
REPLIES
21.9K
VIEWS

Plot circles using the various historical approximations of Pi?

QUESTION FROM: R Q | 7 years ago BY: R Q
Education , Geometry , Graphics and Visualization , Mathematics , ...
4
REPLIES
6K
VIEWS

Plot a Dirac Delta Function?

QUESTION FROM: Luciano Pinheiro | 7 years ago BY: Luciano Pinheiro
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
19K
VIEWS

Get numerical solution of PDE for diffusion at high diffusion rates?

QUESTION FROM: Rutton Patel | 7 years ago BY: Rutton Patel
Calculus , Chemistry , Equation Solving , Mathematics , Modeling , ...
23
REPLIES
20.1K
VIEWS

Create a list of integer variables to Minimize a particular quantity?

QUESTION FROM: Elisa Boffelli | 8 years ago BY: Elisa Boffelli
Optimization , Mathematics , Wolfram Language
10
REPLIES
6.5K
VIEWS

Use InputField for defining a function to be applied to a list?

QUESTION FROM: Laurens Wachters | 8 years ago BY: Laurens Wachters
Mathematics , Wolfram Language
6
REPLIES
8.5K
VIEWS

Is there a best way to append data to a file?

QUESTION FROM: Gregory Lypny | 8 years ago BY: Gregory Lypny
Data Science , Import and Export , Mathematica , Mathematics , ...
6
REPLIES
14.4K
VIEWS

Automatically write a large binary matrix with known positions of 1?

QUESTION FROM: Anton Savchenkov | 8 years ago BY: Szabolcs Horvát
Mathematics , Wolfram Language
7
REPLIES
4.6K
VIEWS

Why isn't this random number generation implemented?

QUESTION FROM: Chi-Hsiang Wang | 8 years ago BY: Chi-Hsiang Wang
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
9K
VIEWS

Write code for fractional calculus?

QUESTION FROM: Oscar Peña | 8 years ago BY: Anonymous User
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
9.6K
VIEWS

[?] Fit experimental data with some analytic formulas?

QUESTION FROM: Robert Poenaru | 8 years ago BY: Jim Baldwin
Mathematics , Physics , Wolfram Language
5
REPLIES
6K
VIEWS

[?]Create a network of 300 nodes that can be clustered into 100-node chunks

QUESTION FROM: Boris Barron | 8 years ago BY: Boris Barron
Mathematica , Mathematics , Physics , Recreation
3
REPLIES
11K
VIEWS

Resources on Wolfram Language for college calculus course?

QUESTION FROM: Thomas Pratley | 8 years ago BY: Thomas Pratley
Calculus , Education , Mathematics , Wolfram Language
4
REPLIES
11.6K
VIEWS

[?] Evaluate this constant expression?

QUESTION FROM: Robert Enenkel | 8 years ago BY: Robert Enenkel
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
6.8K
VIEWS

[?] Derive, solve and plot the equations of motion for the double pendulum?

QUESTION FROM: Jonas Hamp | 8 years ago BY: Yehuda Ben-Shimol
Equation Solving , Graphics and Visualization , Mathematics , ...
3
REPLIES
11.3K
VIEWS

Why does FullSimplify not recognize this function evaluates to zero?

QUESTION FROM: Philip Blanco | 9 years ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
19.1K
VIEWS

Extract finite mesh connectivity?

QUESTION FROM: Hassan Al-Siraj | 9 years ago BY: Hassan Al-Siraj
Geometry , Graphics and Visualization , Graphs and Networks , ...
7
REPLIES
7.1K
VIEWS

[?] Plot rational functions?

QUESTION FROM: Salvador Benjamin P. R. | 9 years ago BY: Salvador Benjamin P. R.
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
4.6K
VIEWS

Simplify a complicated solution by a simpler way?

QUESTION FROM: Jacques Ou | 9 years ago BY: EDITORIAL BOARD
Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
6.9K
VIEWS

[?] Area under the curve of a Parametric Plot function?

QUESTION FROM: Anonymous User | 9 years ago BY: Claude Mante
Algebra , Graphics and Visualization , Mathematics , ...
5
REPLIES
11.1K
VIEWS

[?] Find first local minima?

QUESTION FROM: M.A. Ghorbani | 9 years ago BY: Hans Dolhaine
Calculus , Optimization , Mathematics , Wolfram Language
8
REPLIES
7.1K
VIEWS

Integrate[1/x, x] should give Log[Abs[x]] but does not ?

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: Michael Rogers
Calculus , Mathematics , Wolfram Language
9
REPLIES
20.1K
VIEWS

Solve numerically the following integral?

QUESTION FROM: Luther Nayhm | 9 years ago BY: Luther Nayhm
Mathematics , Numerical Computation , Wolfram Language
10
REPLIES
11.2K
VIEWS

Account for non-Commutativity of Convolve?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Mathematics , Wolfram Language
6
REPLIES
4.8K
VIEWS

Solve a fraction when the denominator approaches zero?

QUESTION FROM: Luther Nayhm | 9 years ago BY: Anonymous User
Equation Solving , Mathematics , Wolfram Language
17
REPLIES
11K
VIEWS

Solve bus routing problem with a single destination and multiple depots?

QUESTION FROM: Matthias Odisio | 9 years ago BY: Matthias Odisio
Engineering , Graphics and Visualization , Optimization , ...
6
REPLIES
23.7K
VIEWS

[?] Plot f(A^2) in Y axis and A^2 in x axis?

QUESTION FROM: Dia Ghosh | 9 years ago BY: Dia Ghosh
Graphics and Visualization , Mathematics , Wolfram Language
7
REPLIES
6.8K
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

[?] 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

[?] 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

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

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

CentralMoment[2] vs. Variance using WeightedData

QUESTION FROM: Sander Huisman | 9 years ago BY: Sander Huisman
Algebra , Mathematica , Mathematics , Statistics and Probability , ...
5
REPLIES
8.5K
VIEWS

FullSimplify[ArcCos[x]+I ArcCosh[x]]

QUESTION FROM: Alex Papkov | 9 years ago BY: Alex Papkov
Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
5.1K
VIEWS

Create a RegionPlot with an inequality over an intervall of a variable?

QUESTION FROM: Tobias Frohoff | 9 years ago BY: Tobias Frohoff
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
4.3K
VIEWS

What scoping construct to use with "Play" (audio)?

QUESTION FROM: Anonymous User | 9 years ago BY: Gianluca Gorni
Audio, Sound and Music , Dynamic Interactivity , Mathematics , ...
5
REPLIES
6.6K
VIEWS

Avoid different stats and ranking while using FindDistribution?

QUESTION FROM: Amin C | 9 years ago BY: Amin C
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
7.6K
VIEWS

Get number of digits to the right of the decimal point?

QUESTION FROM: Vladimir Ivanov | 10 years ago BY: Vladimir Ivanov
Calculus , Mathematics , Wolfram Language
8
REPLIES
11.4K
VIEWS

Sort properly random real number triples between -1,1?

QUESTION FROM: Brandon Davis | 10 years ago BY: Brandon Davis
Mathematics , Wolfram Language
7
REPLIES
11.2K
VIEWS

Generalize a function that finds distance between 2 pairs of coordinates?

QUESTION FROM: Brandon Davis | 10 years ago BY: Yehuda Ben-Shimol
Geometry , Mathematics , Wolfram Language
5
REPLIES
10K
VIEWS

Minimizes a function (variance over 1mln data-points)?

QUESTION FROM: Sandu Ursu | 10 years ago BY: Sandu Ursu
Calculus , Optimization , Mathematics , Wolfram Language
7
REPLIES
9.3K
VIEWS

Plot a function (x,y) in polar coordinates?

QUESTION FROM: Muhammad Abbas | 10 years ago BY: Marco Thiel
Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
10.4K
VIEWS

Create a function that replicates this series?

QUESTION FROM: Lea Rebanks | 10 years ago BY: Lea Rebanks
Equation Solving , Mathematics , Wolfram Language
17
REPLIES
13.1K
VIEWS

Suggestions for speeding up this plot?

QUESTION FROM: Bryan Lettner | 10 years ago BY: Gianluca Gorni
Geometry , Graphics and Visualization , gridMathematica , ...
7
REPLIES
13.2K
VIEWS

Reducing number of triangles in ParametricPlot3D STL file?

QUESTION FROM: Bryan Lettner | 10 years ago BY: Vitaliy Kaurov
3D Printing , Geometry , Graphics and Visualization , ...
5
REPLIES
13.2K
VIEWS

Wolfram Language equivalent to Matlab Rot90?

QUESTION FROM: Paul Davidson | 10 years ago BY: Sander Huisman
Algebra , External Programs and Systems , Mathematics , ...
6
REPLIES
9.9K
VIEWS

Flattening an array of blocks into a single matrix?

QUESTION FROM: Jan Potocki | 10 years ago BY: Sander Huisman
Mathematics , Wolfram Language
6
REPLIES
10.3K
VIEWS

Accurately solving an ode/bvp?

QUESTION FROM: Leslaw Bieniasz | 10 years ago BY: Marco Thiel
Calculus , Equation Solving , Mathematics , Wolfram Language
21
REPLIES
7.2K
VIEWS

[WSSA16] Natural language compression Huffman Method

QUESTION FROM: Vahagn Hayrapetyan | 10 years ago
Computational Humanities , Computational Linguistics , Curated Data , ...
0
REPLIES
7K
VIEWS

Disclose Algorithms used in Optimization and Solve?

QUESTION FROM: Neel Basu | 10 years ago BY: Frank Kampas
Equation Solving , Optimization , Mathematics , ...
4
REPLIES
10.1K
VIEWS

Integrate this equation using the Wolfram Language?

QUESTION FROM: Nurul Ainina | 10 years ago BY: Nurul Ainina
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
12
REPLIES
7.3K
VIEWS

Slow Summation of values produced by recursive function

QUESTION FROM: Tom Zinger | 11 years ago BY: Tom Zinger
Mathematics , Numerical Computation , Tuning and Debugging , ...
13
REPLIES
20.7K
VIEWS

Orthogonal projection of surface

QUESTION FROM: Victoria Cheng | 11 years ago BY: Victoria Cheng
Algebra , Calculus , Geometry , Graphics and Visualization , ...
3
REPLIES
11.2K
VIEWS

Mindmapping with Wolfram language?

QUESTION FROM: J T | 11 years ago BY: Paulo Wassim Arbaoui
Graphs and Networks , Mathematica , Mathematics , Modeling , ...
2
REPLIES
16.5K
VIEWS

Reduce the complexity of a code

QUESTION FROM: Fabio Rondelli | 11 years ago BY: Fabio Rondelli
Mathematics , Tuning and Debugging , Wolfram Language
4
REPLIES
9.7K
VIEWS

Maximum Likelihood Estimation

QUESTION FROM: Sandu Ursu | 11 years ago BY: Maha haroon
Economics , Finance , Mathematics , Statistics and Probability
9
REPLIES
28K
VIEWS

Distance between 2 flat molecules

QUESTION FROM: A Y | 12 years ago BY: Mohammad Khan
Chemistry , Geometry , Mathematica , Mathematics , Physics , ...
13
REPLIES
23K
VIEWS

Divisibility of numbers [Mathematica]

QUESTION FROM: Artur Smura | 12 years ago BY: Daniel Lichtblau
Mathematics , Wolfram Language
3
REPLIES
4K
VIEWS

Command TrueQ doenst work with undefined expressions?

QUESTION FROM: peter B | 12 years ago BY: Ilian Gachevski
Mathematics , Wolfram Language
2
REPLIES
6.3K
VIEWS

Error in Mathematica computation

QUESTION FROM: aakarshmadhavan | 12 years ago BY: Marco Thiel
Calculus , Mathematica , Mathematics , Numerical Computation
15
REPLIES
11.4K
VIEWS

Error: Model is structurally singular in equation

QUESTION FROM: Mohamed Mahmoud | 12 years ago BY: Henrik Tidefelt
Mathematics , SystemModeler
2
REPLIES
20.9K
VIEWS

Visualization of Gaussian Curvature

QUESTION FROM: Ali Noroozi | 12 years ago BY: Christopher French
Graphics and Visualization , Mathematics , Wolfram Language
10
REPLIES
22.3K
VIEWS

Avoiding fracture of a ship moving through temperature gradient

QUESTION FROM: Luis Ledesma | 12 years ago BY: Bill Simpson
Engineering , Mathematics , Wolfram Language
10
REPLIES
12.2K
VIEWS

Mathematica for General Relativity and Gravity research

QUESTION FROM: Boris Latosh | 12 years ago BY: Frank Kampas
Astronomy , Mathematica , Mathematics , Physics , Wolfram Language
10
REPLIES
35.5K
VIEWS

Area between 2D cartesian curves, fill between two ordinates, for calculus

QUESTION FROM: Ian Willson | 12 years ago BY: Ian Willson
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
14.1K
VIEWS

Sorting matrix

QUESTION FROM: Luis Ledesma | 12 years ago BY: Shenghui Yang
Mathematica , Mathematics , Signal Processing
3
REPLIES
4.7K
VIEWS

How do I use NDSolve within a Do loop?

QUESTION FROM: Henry Banks | 12 years ago BY: Michael Rogers
Equation Solving , Mathematica , Mathematics , ...
6
REPLIES
16.4K
VIEWS

How to choose starting point for FindMinimum

QUESTION FROM: Cory Leahy | 13 years ago BY: Cory Leahy
Chemistry , Mathematica , Mathematics , Physics
5
REPLIES
12.3K
VIEWS

Algorithms behind Step-by-Step solutions in Wolfram|Alpha ?

QUESTION FROM: shubham agarwal | 13 years ago BY: David Reiss
Calculus , Computational Systems , Computer Science , Education , ...
4
REPLIES
22.6K
VIEWS

Expressing numbers in fortran form

QUESTION FROM: Jesse Kanter | 13 years ago BY: David Reiss
Mathematica , Mathematics , Physics
5
REPLIES
5.1K
VIEWS

Radius of a circle bisecting the area of a given circle

QUESTION FROM: Peter Bischet | 13 years ago BY: Peter Bischet
Calculus , Mathematica , Mathematics
7
REPLIES
7.6K
VIEWS
3
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