Group Abstract Group Abstract

«Groups
Mathematics
Join
Everything from arithmetic, algebra, calculus, and geometry to analysis, logic, set theory, and uncertainty.

Discussions List Discussions List

Testing for beauty

QUESTION FROM: Todd Rowland | 8 years ago BY: EDITORIAL BOARD
Staff Picks , Architecture , Computational Humanities , ...
2
REPLIES
17.4K
VIEWS

Why is this integral different when the variable is substituted?

QUESTION FROM: Alexander Dunlap | 8 years ago BY: Alexander Dunlap
Calculus , Mathematics , Wolfram Language
6
REPLIES
8.3K
VIEWS

[?] Interpolate a 3D vector field?

QUESTION FROM: Tomi Baikie | 8 years ago BY: Sander Huisman
Graphics and Visualization , Optimization , Mathematics , Modeling , ...
3
REPLIES
7K
VIEWS

Create a plot of vectors using a Do-Loop?

QUESTION FROM: Terry Ackerman | 8 years ago BY: Sander Huisman
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
3.8K
VIEWS

Correct a NDSolve approach when an argument contains an InverseFunction?

QUESTION FROM: Mervin Hanson | 8 years ago BY: Mervin Hanson
Chemistry , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
10.1K
VIEWS

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

QUESTION FROM: K X | 8 years ago BY: K X
Algebra , Mathematics , Wolfram Language
2
REPLIES
4.6K
VIEWS

Solve an equation with a Piecewise function?

QUESTION FROM: Pio Tyldens | 8 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
5.9K
VIEWS

[?] Manipulate of a 2-D plot?

QUESTION FROM: Terry Ackerman | 8 years ago BY: Hans Dolhaine
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
3
REPLIES
5.4K
VIEWS

Make blinking work for all percentages of the screens?

QUESTION FROM: Ernesto Espinosa | 8 years ago
Dynamic Interactivity , Mathematica , Mathematics , User Interface , ...
0
REPLIES
5.3K
VIEWS

FindClusters versus ClusteringComponents?

QUESTION FROM: Jan Baetens | 8 years ago BY: Sam Carrettie
Data Science , Machine Learning , Mathematica , Mathematics , ...
4
REPLIES
11.5K
VIEWS

Calculate (A*Nabla)B ?

QUESTION FROM: mkssion | 8 years ago BY: Ivan Siahlo
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
6.8K
VIEWS

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

QUESTION FROM: Maxim Lyutikov | 8 years ago BY: Maxim Lyutikov
Equation Solving , Mathematics , Wolfram Language
4
REPLIES
3.1K
VIEWS

[?] Locator constrained by polygon and NSolve

QUESTION FROM: Andras Gilicz | 8 years ago BY: Andras Gilicz
Dynamic Interactivity , Equation Solving , ...
2
REPLIES
4.9K
VIEWS

[?] Solve the highlighted area?

QUESTION FROM: Bayasgalan Bayasgalan | 8 years ago BY: Bayasgalan Bayasgalan
Graphics and Visualization , Mathematica , Mathematics , Wolfram|Alpha
3
REPLIES
10K
VIEWS

Solve definite integrals?

QUESTION FROM: studygroups 2000 | 8 years ago BY: studygroups 2000
Calculus , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
10.8K
VIEWS

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

QUESTION FROM: David Cardinal | 8 years ago BY: David Cardinal
Machine Learning , Mathematics , Neural Networks , Wolfram Language
9
REPLIES
22.4K
VIEWS

Transform a graph into the following one?

QUESTION FROM: Rak Univ | 8 years ago BY: Christopher Wolfram
Discrete Mathematics , Graphs and Networks , Mathematics , ...
1
REPLIES
9.4K
VIEWS

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

QUESTION FROM: Manjunath Babu | 8 years ago
Data Science , Machine Learning , Mathematics , Wolfram Language
0
REPLIES
6.1K
VIEWS

[?] Plot an asymptote with conditions?

QUESTION FROM: Ernesto Espinosa | 8 years ago BY: Ernesto Espinosa
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
6.5K
VIEWS

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

QUESTION FROM: Nikolay Tsenkov | 8 years ago BY: Nikolay Tsenkov
Algebra , Mathematics , Signal Processing , Wolfram|Alpha , ...
10
REPLIES
13.5K
VIEWS

Calculate the inverse of the special error function erf?

QUESTION FROM: Tahar Latrache | 8 years ago BY: Brad Klee
Mathematics , Wolfram Language
1
REPLIES
5.8K
VIEWS

[?] Transform an expression to a certain form?

QUESTION FROM: J P | 8 years ago BY: J P
Algebra , Mathematics , Wolfram Language
3
REPLIES
10.2K
VIEWS

Solve second order differential equations with DSolve?

QUESTION FROM: ugo gorini | 8 years ago BY: ugo gorini
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
8.8K
VIEWS

Get FortranForm of fraction?

QUESTION FROM: J P | 8 years ago BY: Neil Singer
External Programs and Systems , Import and Export , Mathematics , ...
1
REPLIES
5.4K
VIEWS

Use FindClusters with the following elements structure?

QUESTION FROM: Bruce Colletti | 8 years ago BY: Bruce Colletti
Machine Learning , Mathematics , Statistics and Probability , ...
5
REPLIES
9.5K
VIEWS

Adjust eigenvalues to reflect proper avoided crossing behavior?

QUESTION FROM: Jason Bennett | 8 years ago BY: Jason Bennett
Graphics and Visualization , Mathematics , Physics , Wolfram Language
3
REPLIES
4.5K
VIEWS

How to solve Pythagorean Formula with Quantity Variables?

QUESTION FROM: Alexander Radchenko | 8 years ago
Equation Solving , Mathematics , Symbolic Computations , Units , ...
0
REPLIES
4K
VIEWS

Optimization using NMinimize and data fitting help?

QUESTION FROM: Okkes Dulgerci | 8 years ago
Graphics and Visualization , Optimization , Mathematics , ...
0
REPLIES
3.7K
VIEWS

Find a feasible solution with LinearProgramming function?

QUESTION FROM: Kun Fang | 8 years ago BY: Kun Fang
Equation Solving , Optimization , Mathematics , Wolfram Language
5
REPLIES
8.5K
VIEWS

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

QUESTION FROM: Tim Kirkpatrick | 8 years ago BY: Tim Kirkpatrick
Dynamic Interactivity , Geometry , Graphics and Visualization , ...
3
REPLIES
8.6K
VIEWS

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

QUESTION FROM: Alexander Radchenko | 8 years ago
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
3.2K
VIEWS

Assign FormulaData to a variable?

QUESTION FROM: Alexander Radchenko | 8 years ago BY: Sander Huisman
Equation Solving , Mathematics , Physics , Wolfram Language
3
REPLIES
4.8K
VIEWS

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

QUESTION FROM: Usman Afzal | 8 years ago
External Programs and Systems , Mathematica , Mathematics , ...
0
REPLIES
5.2K
VIEWS

Solve a simple equation with Reduce[ ]?

QUESTION FROM: Mattias A | 8 years ago BY: Bill Simpson
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.8K
VIEWS

Solve two equations of motion?

QUESTION FROM: B Patel | 8 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.6K
VIEWS

Improve speed while using Simplify[ ]?

QUESTION FROM: Xiaoxu Zhong | 8 years ago BY: Updating Name
Algebra , High-Performance Computing , Mathematics , ...
3
REPLIES
10.3K
VIEWS

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

QUESTION FROM: K X | 8 years ago BY: K X
Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

CentralMoment[2] vs. Variance using WeightedData

QUESTION FROM: Sander Huisman | 8 years ago BY: Sander Huisman
Algebra , Mathematica , Mathematics , Statistics and Probability , ...
5
REPLIES
8K
VIEWS

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

QUESTION FROM: K X | 8 years ago BY: K X
Mathematics , Wolfram Language
8
REPLIES
12.7K
VIEWS

3D printing from images?

QUESTION FROM: Mark Braithwaite | 8 years ago BY: Mark Braithwaite
3D Printing , Graphics and Visualization , Image Processing , ...
2
REPLIES
10K
VIEWS

Create LogLogPlot of power function?

QUESTION FROM: stephen lukacs | 8 years ago BY: stephen lukacs
Equation Solving , Graphics and Visualization , Mathematics , ...
6
REPLIES
4.6K
VIEWS

Speeding up Solve or NSolve?

QUESTION FROM: Alex Yakubovich | 8 years ago BY: Daniel Lichtblau
Equation Solving , High-Performance Computing , Mathematics , ...
4
REPLIES
11.9K
VIEWS

Networks' complexity measures with Wolfram Language?

QUESTION FROM: Vitaliy Kaurov | 8 years ago BY: Hector Zenil
Graphs and Networks , Mathematics , ...
13
REPLIES
24.3K
VIEWS

Unexpected NMinimize result?

QUESTION FROM: Okkes Dulgerci | 8 years ago BY: Okkes Dulgerci
Optimization , Mathematics , Modeling , Numerical Computation , ...
3
REPLIES
5.9K
VIEWS

Calculate the sum of a series of lorentzain function?

QUESTION FROM: Yu Li | 8 years ago BY: Yu Li
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
5.8K
VIEWS

Display a progress bar or view progress of your evaluation?

QUESTION FROM: Ahmed Imran | 8 years ago BY: Sander Huisman
Mathematica , Mathematics , Numerical Computation , User Interface , ...
1
REPLIES
7K
VIEWS

Solve an elementary quadratic equation?

QUESTION FROM: Valeriu Ungureanu | 8 years ago BY: Valeriu Ungureanu
Algebra , Education , Equation Solving , Mathematics , ...
10
REPLIES
12.9K
VIEWS

Edit a sparse matrix?

QUESTION FROM: Philipp Krönert | 8 years ago BY: Philipp Krönert
Graphs and Networks , Mathematics , Wolfram Language
2
REPLIES
5.3K
VIEWS

Solve this equation?

QUESTION FROM: Anonymous User | 8 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.9K
VIEWS

Find numbers with cubes?

QUESTION FROM: Alexey Podchufarov | 8 years ago BY: Alexey Podchufarov
Algebra , Discrete Mathematics , Mathematics , ...
3
REPLIES
7.3K
VIEWS

Fit an experimental data curve?

QUESTION FROM: Hassan Giashi | 8 years ago BY: Hassan Giashi
Data Science , Engineering , Graphics and Visualization , ...
5
REPLIES
9.1K
VIEWS

Calculate the laplace inverse transform of hyperbolic sinus?

QUESTION FROM: Sergio Cabral | 8 years ago BY: Sergio Cabral
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
6.3K
VIEWS

Output repeating decimal numbers with an overline?

QUESTION FROM: Mark Greenberg | 8 years ago BY: Gianluca Gorni
Mathematics , User Interface , Wolfram Development Platform , ...
12
REPLIES
14.6K
VIEWS

Display machine precision numbers for more than 5 significant digits?

QUESTION FROM: David Kirkby | 8 years ago BY: Alexey Popkov
Mathematics , Wolfram Language
8
REPLIES
11.4K
VIEWS

Avoid leak of memory while using FindMinimum?

QUESTION FROM: Luisa TESTA | 8 years ago BY: Alexey Popkov
High-Performance Computing , Mathematica , Optimization , ...
2
REPLIES
11.1K
VIEWS

Solve a non-linear differential equations system?

QUESTION FROM: Gabriele Cinci | 8 years ago BY: Mariusz Iwaniuk
Biological Sciences , Calculus , Equation Solving , Mathematics , ...
10
REPLIES
13.5K
VIEWS

Solve a metallurgical mass balance (system of 7 equations with 7 unknowns)?

QUESTION FROM: Alberto Silva Ariano | 8 years ago BY: Sander Huisman
Chemistry , Engineering , Equation Solving , Material Sciences , ...
3
REPLIES
10.6K
VIEWS

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

QUESTION FROM: Alex Papkov | 8 years ago BY: Alex Papkov
Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
4.8K
VIEWS

Solve a single PDE?

QUESTION FROM: aly ghobashy | 8 years ago BY: aly ghobashy
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.7K
VIEWS

Avoid failure with FindInstance[1 == (c + d Sqrt[3]), {c, d}, Integers]?

QUESTION FROM: Christopher Arthur | 8 years ago BY: Christopher Arthur
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
8.8K
VIEWS

Product just for the even numbers?

QUESTION FROM: Stefan P | 8 years ago BY: Valeriu Ungureanu
Mathematics , Wolfram|Alpha , Wolfram Language
3
REPLIES
7K
VIEWS

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

QUESTION FROM: Tobias Frohoff | 8 years ago BY: Tobias Frohoff
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
3.9K
VIEWS

Greatest integer solution to a factorial inequality?

QUESTION FROM: Eric Hiatt | 8 years ago BY: Carl Woll
Equation Solving , Mathematics , Wolfram Language
3
REPLIES
6.1K
VIEWS

Create a circular/arc spring?

QUESTION FROM: Tim Kirkpatrick | 8 years ago BY: Tim Kirkpatrick
Graphics and Visualization , Mathematics , Physics , Visual Arts , ...
7
REPLIES
7.6K
VIEWS

Probabilistic Cellular Automata

QUESTION FROM: Arthur Tseng | 8 years ago
Graphics and Visualization , Mathematics , ...
0
REPLIES
4.4K
VIEWS

Check the following mathematical statement with W|A?

QUESTION FROM: Just Bucket | 8 years ago BY: Shujie CHEN
Mathematics , Symbolic Computations , Wolfram|Alpha
3
REPLIES
10.7K
VIEWS

Solve $y'' -2*(x^4-e)y = 0$ 2nd order non-linear differential equation?

QUESTION FROM: Hengameh Bagherianlemraski | 8 years ago BY: Hengameh Bagherianlemraski
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
6.5K
VIEWS

Why function in multivariable integration limits: "not machine-sized #" ?

QUESTION FROM: David Harness | 8 years ago BY: Valeriu Ungureanu
Calculus , Graphics and Visualization , Mathematics , Units , ...
3
REPLIES
9.4K
VIEWS

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

QUESTION FROM: Anonymous User | 8 years ago BY: Gianluca Gorni
Audio, Sound and Music , Dynamic Interactivity , Mathematics , ...
5
REPLIES
6.3K
VIEWS

Write such functions in Wolfram|Alpha?

QUESTION FROM: Piotr Koller | 8 years ago BY: Piotr Koller
Mathematics , Symbolic Computations , Wolfram|Alpha
2
REPLIES
9.8K
VIEWS

Use packages and external programs (*.exe) in Wolfram Cloud?

QUESTION FROM: muftejev Valerijan | 8 years ago
External Programs and Systems , Mathematics , Packages , Wolfram Cloud
0
REPLIES
2.7K
VIEWS

Display power 1 always in the output?

QUESTION FROM: Vamsi Meesala | 8 years ago BY: Vamsi Meesala
Mathematics , User Interface , Wolfram Language
4
REPLIES
4.5K
VIEWS

Solve this equation?

QUESTION FROM: Anonymous User | 8 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
4.6K
VIEWS

Use free input to show how to integrate step by step this integral?

QUESTION FROM: Alan Ray | 8 years ago BY: Christos Papahristodoulou
Calculus , Education , Equation Solving , Mathematics , ...
2
REPLIES
15.4K
VIEWS

Assess whether a number is Real?

QUESTION FROM: Paolo Pellegrini | 8 years ago BY: Neil Singer
Mathematics , Wolfram Language
2
REPLIES
5K
VIEWS

Calculate the following products with W|A app on a phone device?

QUESTION FROM: Patrik Horvath | 8 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Symbolic Computations , Wolfram|Alpha , ...
1
REPLIES
8.2K
VIEWS

Solve a system of complicated differential eqs?

QUESTION FROM: Devin Luu | 8 years ago BY: Devin Luu
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
5.8K
VIEWS

Solve this system of two equations?

QUESTION FROM: Anonymous User | 8 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
7.9K
VIEWS

Avoid conflict between a local variable in the definition of two functions?

QUESTION FROM: Anonymous User | 8 years ago BY: Anonymous User
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
3.8K
VIEWS

Build a 95% lower and upper confidence bounds for the PDF and CDF?

QUESTION FROM: Amin C | 8 years ago
Data Science , Mathematics , Statistics and Probability , ...
0
REPLIES
4K
VIEWS

Get a fully simplified solution to the quantum harmonic oscillator?

QUESTION FROM: Will Smith | 8 years ago BY: Will Smith
Education , Equation Solving , Mathematics , Physics , ...
4
REPLIES
11.6K
VIEWS

Generate a random Matrix with restrictions?

QUESTION FROM: Joseph Levano | 8 years ago BY: Marco Thiel
Algebra , Mathematics , Wolfram Language
2
REPLIES
7.1K
VIEWS

Avoid different stats and ranking while using FindDistribution?

QUESTION FROM: Amin C | 8 years ago BY: Amin C
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
7.1K
VIEWS

Get a numerical result for this calculation?

QUESTION FROM: Gordon Dryden | 8 years ago BY: Marco Thiel
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
4.6K
VIEWS

Add points of tangency along a helix?

QUESTION FROM: Noah Bray | 8 years ago BY: v z
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
7.2K
VIEWS

Apply different colours to different ListPlots?

QUESTION FROM: Strange Ross | 8 years ago BY: Sander Huisman
Data Science , Mathematics , Wolfram Language
10
REPLIES
7.7K
VIEWS

Solve this equation and what and where the variable "W" is here?

QUESTION FROM: Laura Baker | 8 years ago BY: Sander Huisman
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
1
REPLIES
5.2K
VIEWS

Convert Crandall's Mma MRB Constant code to C, C++ or Turbo C++

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 8 years ago
Computer Science , External Programs and Systems , Mathematics , ...
0
REPLIES
9K
VIEWS

Looking for math students - can you help?

QUESTION FROM: Mark Lawton | 8 years ago
Computer-Based Maths , Education , Jobs & More Exchange , Mathematics
0
REPLIES
7.7K
VIEWS

Why Arg[z] is not always the same as Im[Log[z]]

QUESTION FROM: Mikko Tommila | 8 years ago BY: Sander Huisman
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
6.5K
VIEWS

Get right results using RegionPlot3D command in Spherical Coordinates?

QUESTION FROM: Mitchell Sandlin | 8 years ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
5K
VIEWS

Find primitive polynomials or test if a polynomial is primitive?

QUESTION FROM: Hans-Werner M | 8 years ago BY: Hans-Werner M
Algebra , Computer Science , Mathematics , Wolfram Language
2
REPLIES
6.5K
VIEWS

Avoid issue in the function Series[] ?

QUESTION FROM: Ivan Siahlo | 8 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
6.9K
VIEWS

Compute the requirement for the rank of a matrix?

QUESTION FROM: Martin Eichenauer | 8 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
6.3K
VIEWS

Avoid warning while using RegionCentroid?

QUESTION FROM: Robert McHugh | 8 years ago BY: Sander Huisman
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
5.4K
VIEWS

Avoid RowReduce Error with swapped variable names?

QUESTION FROM: Dominik Luz | 8 years ago BY: Michael Rogers
Algebra , Equation Solving , Geometry , Mathematics , ...
10
REPLIES
9.9K
VIEWS

Solve this system of equations?

QUESTION FROM: Raymond Low | 8 years ago BY: Vitaliy Kaurov
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
6.9K
VIEWS

Assign result of derivation to a new function?

QUESTION FROM: Johannes Senzenberger | 8 years ago BY: Henrik Schachner
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
4.4K
VIEWS

Speed up a function with Element[], ToString[]?

QUESTION FROM: Paolo Pellegrini | 8 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
4
REPLIES
4K
VIEWS

Suppress the " * " multiplication symbol in the Inactivate output?

QUESTION FROM: Joe Coletta | 8 years ago BY: Jim Baldwin
Mathematics , User Interface , Wolfram Language
5
REPLIES
5.8K
VIEWS
46
47
48
49
50

Group Count Group Count

6194 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Wolfram Language 11K discussions 2K subscriptions
Calculus 1K discussions 2K subscriptions
Equation Solving 1K discussions 1K subscriptions