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

Apply two complex functions to a region

QUESTION FROM: Ehud Behar | 5 years ago BY: Hans Dolhaine
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
4.1K
VIEWS

What quadratic problems can Method -> "Gurobi" solve?

QUESTION FROM: Frank Kampas | 5 years ago BY: Frank Kampas
Optimization , Mathematics , Wolfram Language
2
REPLIES
6.5K
VIEWS

ComplexRegionPlot gives error "Infinite 1/0 expression encountered"

QUESTION FROM: Ehud Behar | 5 years ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
2.6K
VIEWS

Comparing numerical and exact solutions in the same 3D plot?

QUESTION FROM: a b | 5 years ago BY: a b
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1.8K
VIEWS

Unfold a tensor into a matrix to do inversion/pseudoinversion?

QUESTION FROM: Alberto Silva Ariano | 5 years ago BY: Hans Dolhaine
Algebra , Mathematics , Wolfram Language
6
REPLIES
10.4K
VIEWS

Help minimizing a function

QUESTION FROM: Melbin joseph | 5 years ago BY: Mariusz Iwaniuk
Astronomy , Data Science , Optimization , Mathematics , ...
1
REPLIES
5.2K
VIEWS

Dust loops: artificial chaotic motion of particles

CONTRIBUTED BY: Sumit Sijher | 5 years ago BY: Sumit Sijher
Staff Picks , Graphics and Visualization , Mathematics , ...
8
REPLIES
12.9K
VIEWS

Closed form solution: non-resonant ion cyclotron resonance heating

CONTRIBUTED BY: Robert Mendelsohn | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Engineering , Equation Solving , ...
1
REPLIES
9K
VIEWS

Error plotting logarithmic function?

QUESTION FROM: Nikolas Kwok | 5 years ago BY: EDITORIAL BOARD
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
5K
VIEWS

Solving from previous results

QUESTION FROM: Ma noj | 5 years ago BY: Ma noj
Algebra , Equation Solving , Mathematics , Wolfram Language
8
REPLIES
5K
VIEWS

Discretization of area bound by WindingPolygon

QUESTION FROM: S G | 5 years ago BY: Rohit Namjoshi
Geometry , Mathematics , Wolfram Language
3
REPLIES
5.7K
VIEWS

Does a (cryptographic?) function satisfying these 3 constraints exist?

QUESTION FROM: Mihai Raulea | 5 years ago BY: Dariia Porechna
Computer Science , Cryptography , Mathematics , Wolfram Language
2
REPLIES
8.5K
VIEWS

Creating a table and exporting to LATEX

QUESTION FROM: rbrt cppr | 5 years ago
Import and Export , Mathematics , Wolfram Language
0
REPLIES
3.5K
VIEWS

Mathematical operations on a BooleanRegion

QUESTION FROM: S G | 5 years ago
Geometry , Mathematics , Wolfram Language
0
REPLIES
3.9K
VIEWS

Estimating stock beta using the Kalman filter

QUESTION FROM: Jonathan Kinlay | 5 years ago
Finance , Mathematics , Statistics and Probability , Wolfram Language
0
REPLIES
3.8K
VIEWS

Converting a radial function to Cartesian form

QUESTION FROM: Ser Man | 5 years ago BY: Ser Man
Geometry , Mathematics , Wolfram Language
2
REPLIES
4.7K
VIEWS

Help in 3D plot for a piecewise function?

QUESTION FROM: Rubens Quirino | 5 years ago BY: Rubens Quirino
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

Find parameters for an equation that depends on two lists

QUESTION FROM: Sarah Ch | 5 years ago BY: Hans Dolhaine
Mathematics , Modeling , Wolfram Language
1
REPLIES
3.5K
VIEWS

Implementing Lanczos algorithm in Mathematica

QUESTION FROM: Feras Moh | 5 years ago BY: Feras Moh
Algebra , Mathematica , Mathematics , Wolfram Language
4
REPLIES
8.5K
VIEWS

Elimination of variables with Groebner basis

QUESTION FROM: Tiku Sharma | 5 years ago BY: Tiku Sharma
Algebra , Equation Solving , Optimization , Mathematics , ...
1
REPLIES
4.3K
VIEWS

Is a number would be part of a series generated by LinearRecurrence?

QUESTION FROM: Paul Cleary | 5 years ago BY: Paul Cleary
Discrete Mathematics , Mathematics , Wolfram Language
4
REPLIES
7.2K
VIEWS

Plot complex numbers in the complex number field

QUESTION FROM: Richard Premm | 5 years ago BY: Richard Premm
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
3.1K
VIEWS

What's a steradian?

CONTRIBUTED BY: Bill Gosper | 5 years ago BY: Daniel Lichtblau
Staff Picks , Algebra , Computer-Based Maths , Equation Solving , ...
2
REPLIES
8.4K
VIEWS

Missing 3D graphic inside plot?

QUESTION FROM: Ser Man | 5 years ago BY: Ser Man
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
4.7K
VIEWS

TraditionalForm & Tooltip appear unexpectedly in the output

QUESTION FROM: Chandrachur Chakraborty | 5 years ago BY: Chandrachur Chakraborty
Mathematics , Wolfram Language
2
REPLIES
3.4K
VIEWS

Error: Tag Piecewise is protected

QUESTION FROM: Rubens Quirino | 5 years ago BY: Rohit Namjoshi
Mathematics , Wolfram Language
3
REPLIES
3.1K
VIEWS

Error while plotting a composite function

QUESTION FROM: Ser Man | 5 years ago BY: Rohit Namjoshi
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
3.4K
VIEWS

Error in FindMinimum for defined function of NIntegrate

QUESTION FROM: Dalale Mhamdi | 5 years ago BY: Nicholas Engelking
Calculus , Optimization , Mathematics , Numerical Computation , ...
1
REPLIES
6.5K
VIEWS

Assigning on different levels of a function

QUESTION FROM: martina cottini | 5 years ago BY: Hans Dolhaine
Mathematics , Wolfram Language
6
REPLIES
4.8K
VIEWS

P-norm and area bounded by absolute value function

CONTRIBUTED BY: Shenghui Yang | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Equation Solving , ...
1
REPLIES
9.4K
VIEWS

Extract elements of a list meeting a specific condition.

QUESTION FROM: David Kirkby | 5 years ago BY: David Kirkby
Discrete Mathematics , Mathematics , Wolfram Language
3
REPLIES
5.5K
VIEWS

Form equation for many varying points

QUESTION FROM: Mohamed Mahmoud | 5 years ago BY: EDITORIAL BOARD
Mathematics , Modeling , Wolfram Language
2
REPLIES
3.3K
VIEWS

Solving equation in terms of certain variable.

QUESTION FROM: Kyaw Hla Chak | 5 years ago
Algebra , Equation Solving , Mathematics , Wolfram Language
0
REPLIES
2.7K
VIEWS

Logical program for not getting indeterminate value

QUESTION FROM: Kyaw Hla Chak | 5 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
3
REPLIES
3.6K
VIEWS

Solving symbolically a system of 3 (complicated) equations

QUESTION FROM: Olimpia Cutinelli Rendina | 5 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
12
REPLIES
6.5K
VIEWS

Solve complex eigenvalue problem?

QUESTION FROM: Alex F | 5 years ago BY: Michael Helmle
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.9K
VIEWS

Apery's and Catalan's constant in terms of a double integral

CONTRIBUTED BY: Robert Reynolds | 5 years ago
Calculus , Graphics and Visualization , Mathematics , ...
0
REPLIES
3.9K
VIEWS

Explore S. Rabinowitz's golden result with ComplexPlot

CONTRIBUTED BY: Shenghui Yang | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Computer-Based Maths , Education , ...
2
REPLIES
11.6K
VIEWS

Runge Kutta method for a system

QUESTION FROM: Vedat Erturk | 5 years ago BY: Hans Dolhaine
Algebra , Equation Solving , Mathematics , Wolfram Language
28
REPLIES
7.9K
VIEWS

Force Solve[ ] to obtain real expressions?

QUESTION FROM: Leslaw Bieniasz | 5 years ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
14
REPLIES
6.9K
VIEWS

Solving nonlinear equations self consistently

QUESTION FROM: Tiku Sharma | 5 years ago BY: Tiku Sharma
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
4.9K
VIEWS

Growing rhombic hexecontahedron from rhombic triacontahedron

CONTRIBUTED BY: Sandor Kabai | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
1
REPLIES
6.1K
VIEWS

Question about the use of KarhunenLoeveDecomposition?

QUESTION FROM: Jaime de la Mota | 5 years ago BY: EDITORIAL BOARD
Data Science , Mathematics , Statistics and Probability , ...
1
REPLIES
5K
VIEWS

Why won't Wolfram|Alpha accept this input?

QUESTION FROM: M G | 5 years ago
Mathematics , Wolfram|Alpha
0
REPLIES
3K
VIEWS

How to get properties of interpolating function?

QUESTION FROM: Werner Geiger | 5 years ago BY: Werner Geiger
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
10.8K
VIEWS

Prime test and triangular numbers

CONTRIBUTED BY: Bill Gosper | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6.8K
VIEWS

Constraints for boundaries of Integrate[]

QUESTION FROM: Lukas Berger | 5 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
3.2K
VIEWS

Getting repeated root using DSolve for linear 2nd PDE?

QUESTION FROM: Zeyu Zhai | 5 years ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
2.7K
VIEWS

Unexpected result from Integrate[ ]?

QUESTION FROM: Luke Anglin | 5 years ago BY: Luke Anglin
Calculus , Mathematics , Wolfram Language
2
REPLIES
3.2K
VIEWS

Shifted functions in VariationalMethods'?

QUESTION FROM: zep led | 5 years ago BY: zep led
Calculus , Mathematics , Packages , Wolfram Language
2
REPLIES
4.1K
VIEWS

Value of a variable by eliminating others in system of equations?

QUESTION FROM: JEEVANPREET KAUR | 5 years ago BY: JEEVANPREET KAUR
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.3K
VIEWS

Working of ND (NumericalCalculus package)

QUESTION FROM: Subramaniam Balakrishna | 5 years ago
Calculus , Mathematics , Numerical Computation , Wolfram Language
0
REPLIES
2.7K
VIEWS

The primes of Fibonacci sequence: behavior and visualization

CONTRIBUTED BY: Daniel Carvalho | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Data Science , Discrete Mathematics , ...
1
REPLIES
10.7K
VIEWS

Calculating determinants for various values of n?

QUESTION FROM: Ser Man | 5 years ago BY: Hans Dolhaine
Algebra , Mathematics , Wolfram Language
12
REPLIES
6.1K
VIEWS

Problem calculating the integral

QUESTION FROM: Dalale Mhamdi | 5 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Help making a ball rotate around the origin in a gif

QUESTION FROM: Jose Assuncao | 5 years ago BY: Jose Assuncao
Graphics and Visualization , Import and Export , Mathematics , ...
4
REPLIES
5.5K
VIEWS

Constructed matrix gives a ragged array

QUESTION FROM: Ser Man | 5 years ago BY: Hans Dolhaine
Algebra , Mathematics , Wolfram Language
1
REPLIES
3.5K
VIEWS

Plot parametric 4D by Mathematica

CONTRIBUTED BY: pil woo lee | 5 years ago BY: pil woo lee
Calculus , Geometry , Graphics and Visualization , Mathematics , ...
2
REPLIES
6.3K
VIEWS

Heuristics and tricks in computational symbolic mathematics

CONTRIBUTED BY: David Stork | 5 years ago BY: Rohit Namjoshi
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
1
REPLIES
5.7K
VIEWS

Differential equation orthogonal trajectories

QUESTION FROM: Mohammad Amir Khan | 5 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
4K
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

Numerically calculating the largest root of a function

QUESTION FROM: Alex B | 5 years ago BY: Alex B
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
6.7K
VIEWS

Custom multiplication operation between variables

QUESTION FROM: David L | 5 years ago BY: Updating Name
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
4
REPLIES
5.8K
VIEWS

Volume relation between regular octahedron & tetrahedron: visual proof

CONTRIBUTED BY: Sandor Kabai | 4 years ago BY: Sandor Kabai
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
2
REPLIES
7.7K
VIEWS

Optimal climate policy: behind the scenes solving ODEs model

CONTRIBUTED BY: Stephen DeCanio | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Earth Science , Equation Solving , ...
2
REPLIES
8.1K
VIEWS

Matrix won't simplify completely

QUESTION FROM: Sam Rametse | 5 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3.6K
VIEWS

How do you set a basis in Wolfram|Alpha?

QUESTION FROM: Finlay Wetton | 5 years ago
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
0
REPLIES
2.8K
VIEWS

Incorrect result from Solve[ ]?

QUESTION FROM: Owen Schwartz | 5 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3.1K
VIEWS

NMinimize "Function value is not a number" problem

QUESTION FROM: Riddhiman Sarkar | 5 years ago BY: Riddhiman Sarkar
Optimization , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
6.8K
VIEWS

Assigning variables from rules

QUESTION FROM: Robert Ryan | 5 years ago BY: Neil Singer
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.6K
VIEWS

Solving a complicated expression in xyz?

QUESTION FROM: Eft Rsd | 5 years ago BY: Eft Rsd
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
5.4K
VIEWS

Creating a surface over a certain area

QUESTION FROM: micheal yousri | 5 years ago BY: Rohit Namjoshi
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
3.5K
VIEWS

Plotting an NDSolve solution as a function of a parameter?

QUESTION FROM: Alex B | 5 years ago BY: Alex B
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
6.8K
VIEWS

Speed up my numerical calculations in NDSolve?

QUESTION FROM: Alex B | 5 years ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
5.9K
VIEWS

Multiplication in GF(2) of rectangular matrices hanging indefinitely

QUESTION FROM: Jeff Johnson | 5 years ago BY: Daniel Lichtblau
Algebra , Mathematica , Mathematics , Packages , Wolfram Language
3
REPLIES
4.3K
VIEWS

How can we create a 3D fractal flower in Mathematica?

QUESTION FROM: polfosol baltazar | 5 years ago
Graphics and Visualization , Image Processing , Mathematics , ...
0
REPLIES
3.9K
VIEWS

Passing NDSolve through NIntegrate?

QUESTION FROM: Alex B | 5 years ago BY: Alex B
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
5.2K
VIEWS

Matrix representation of a central finite difference scheme.

QUESTION FROM: Sam Rametse | 5 years ago
Algebra , Calculus , Mathematics , Wolfram Language
0
REPLIES
2.8K
VIEWS

Unexpected results from Solve[ ]?

QUESTION FROM: Benny Rodríguez Saenz | 5 years ago BY: Benny Rodríguez Saenz
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.4K
VIEWS

Identity zones of the "isodynamic map"

CONTRIBUTED BY: Dan Reznik | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Geometry , ...
1
REPLIES
7.1K
VIEWS

Wallace-Bolyai-Gerwien theorem for triangles and rectangles

CONTRIBUTED BY: Sandor Kabai | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
2
REPLIES
8.3K
VIEWS

Inconsistent results for inequality query

QUESTION FROM: Shaun Olafson | 5 years ago BY: Bill Nelson
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
3
REPLIES
4.3K
VIEWS

Trig simplification question

QUESTION FROM: Jay Gourley | 5 years ago BY: Rohit Namjoshi
Calculus , Mathematics , Wolfram Language
3
REPLIES
3.8K
VIEWS

NMinimize not working on custom function?

QUESTION FROM: rafael ibanez | 5 years ago BY: Bill Nelson
Algebra , Optimization , Mathematics , Wolfram Language
1
REPLIES
4.9K
VIEWS

Represent and compute with matrix-valued functions of a vector?

QUESTION FROM: Darwin Poritz | 5 years ago BY: Darwin Poritz
Algebra , Mathematica , Mathematics , Symbolic Computations , ...
2
REPLIES
4.3K
VIEWS

Apollonius, Thales' theorem and Orthic triangle

CONTRIBUTED BY: Shenghui Yang | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Education , Geometry , ...
2
REPLIES
12.3K
VIEWS

NDSolveValue: crashes kernel for FEM model

QUESTION FROM: Mike T | 5 years ago BY: Mike T
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.4K
VIEWS

Plotting Bessel and Hankel functions on an interval?

QUESTION FROM: Ser Man | 5 years ago BY: Ser Man
Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
3.5K
VIEWS

Integrate piecewise-function processes forever?

QUESTION FROM: Lukas Berger | 3 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
2
REPLIES
5.3K
VIEWS

Looking for a closed-form solution using Solve[ ]

QUESTION FROM: sebastiano piccolroaz | 5 years ago BY: sebastiano piccolroaz
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.8K
VIEWS

Error in NDSolveValue[ ]: solve the heat equation in 2D?

QUESTION FROM: Alexandre Barboteu | 5 years ago BY: Lissa de Souza Campos
Calculus , Equation Solving , Graphics and Visualization , ...
6
REPLIES
7.1K
VIEWS

Reduce time of differentiation?

QUESTION FROM: Tanish Dey | 5 years ago BY: Rohit Namjoshi
Calculus , Mathematics , Wolfram Language
1
REPLIES
2.4K
VIEWS

Solving an equation with complex parameters in Wolfram|Alpha

QUESTION FROM: Dr. Dennis P Allen Jr. | 5 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Physics , Wolfram|Alpha
1
REPLIES
4.6K
VIEWS

No output in solving system of trigonometric equations

QUESTION FROM: Mohamed El Ghafiani | 5 years ago BY: Mohamed El Ghafiani
Calculus , Equation Solving , Mathematics , Wolfram Language
10
REPLIES
4.8K
VIEWS

April Fool's day 2021 was near the start of π's continued fraction

CONTRIBUTED BY: Bill Gosper | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
7K
VIEWS

Tennis racket (Dzhanibekov) effect: torque-free rotational motion

CONTRIBUTED BY: Christian Peterson | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Dynamic Interactivity , Geometry , ...
2
REPLIES
12.3K
VIEWS

Do logicians use Wolfram Language?

QUESTION FROM: Stephan Spahn | 5 years ago BY: Sam Carrettie
Logic and Boolean Algebra , Mathematics , Wolfram Language
1
REPLIES
6.6K
VIEWS

A formula for the n-th Laplacian of a Gaussian function

CONTRIBUTED BY: Rauan Kaldybaev | 5 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Computer-Based Maths , ...
1
REPLIES
7.8K
VIEWS

Preserve arguments' patterns while taking a Derivative?

QUESTION FROM: Nikolay Shilov | 5 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
6.2K
VIEWS

No output from Solve[ ]?

QUESTION FROM: Jay Gourley | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
8.9K
VIEWS
36
37
38
39
40

Group Count Group Count

6259 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Geometry 1K discussions 1K subscriptions
Wolfram Language 11K discussions 2K subscriptions
Graphics and Visualization 4K discussions 1K subscriptions