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

Use replacement rule for this named pattern?

QUESTION FROM: Subhobrata Chatterjee | 8 years ago BY: Subhobrata Chatterjee
Mathematics , Wolfram Language
2
REPLIES
3.3K
VIEWS

Maximize function with constraints?

QUESTION FROM: Till Seifert | 8 years ago
Finance , Optimization , Mathematics , Numerical Computation , ...
0
REPLIES
4.3K
VIEWS

Import a matrix/list of variables?

QUESTION FROM: Adam Šrut | 8 years ago BY: Fredrik Erling
Import and Export , Mathematics , Wolfram Language
1
REPLIES
5.6K
VIEWS

Get a more precise number of this formula with W|A?

QUESTION FROM: Michael Przybylski | 8 years ago BY: Michael Przybylski
Mathematics , Numerical Computation , Physics , Wolfram|Alpha
4
REPLIES
7.5K
VIEWS

[?] Get 1,000,000 digits of e^(-Pi/2) without running out of memory?

QUESTION FROM: Douglas Marsh | 8 years ago BY: Hans Michel
Mathematica , Mathematics , Numerical Computation
4
REPLIES
8.7K
VIEWS

Create a Manipulate with a long list of ODE?

QUESTION FROM: Arm Mo | 8 years ago
Dynamic Interactivity , Equation Solving , ...
0
REPLIES
4.9K
VIEWS

[?] Decouple the differential equations by using Dsolve?

QUESTION FROM: Mirza Farrukh Baig | 8 years ago BY: Mirza Farrukh Baig
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.9K
VIEWS

Integral of DiracDelta

QUESTION FROM: Carlos Soria-Hoyo | 8 years ago BY: Henrik Schachner
Calculus , Mathematics , Physics , Symbolic Computations , ...
3
REPLIES
4.6K
VIEWS

[?] Write a matrix multiplication with indefinite limits?

QUESTION FROM: Vitor Marquioni Monteiro | 8 years ago BY: Vitor Marquioni Monteiro
Algebra , Discrete Mathematics , Mathematica , Mathematics , ...
4
REPLIES
6.8K
VIEWS

Simplify the answer from this Integrate?

QUESTION FROM: shahin eskandri | 8 years ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
3.3K
VIEWS

Plot circles with given centres?

QUESTION FROM: Matej Rakar | 8 years ago BY: Matej Rakar
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
7.7K
VIEWS

[?] Get polynomial roots multiplicity?

QUESTION FROM: Antoni Parellada | 8 years ago BY: Marco Thiel
Mathematics , Wolfram|Alpha , Wolfram Cloud , Wolfram Language
3
REPLIES
6.5K
VIEWS

Solve decoupled PDE's with NDSolve?

QUESTION FROM: Eric Smith | 8 years ago BY: Eric Smith
Equation Solving , Mathematics , Numerical Computation , ...
7
REPLIES
7.1K
VIEWS

Plot y vs x with multiple terms/variables?

QUESTION FROM: Thaddeus S | 8 years ago
Graphics and Visualization , Mathematics , Wolfram|Alpha , ...
0
REPLIES
3.4K
VIEWS

Solve these differential equations?

QUESTION FROM: Mirza Farrukh Baig | 8 years ago BY: Dent de Lion
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
6K
VIEWS

Plot the DifferenceOrder with AdamsBM method in NDSolve?

QUESTION FROM: Joao Porto | 8 years ago BY: Michael Rogers
Equation Solving , Graphics and Visualization , Mathematics , ...
3
REPLIES
5.9K
VIEWS

[?] Write all outputs in a set?

QUESTION FROM: murat guzeltepe | 8 years ago BY: l van Veen
Optimization , Mathematics , Wolfram Language
1
REPLIES
5.5K
VIEWS

[?] Solve the following PDE?

QUESTION FROM: vishal nandigana | 8 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
5.2K
VIEWS

Import data from Excel and run the Anderson Darling test on it

QUESTION FROM: johann.spies | 8 years ago BY: Sean Cheren
Data Science , Economics , Engineering , Import and Export , ...
2
REPLIES
12.1K
VIEWS

Draw 2D Hexagon to 3D Hexagon prism, or Thick Hexagon Mesh?

QUESTION FROM: Arm Mo | 8 years ago BY: Aaron Gerst
3D Printing , Geometry , Graphics and Visualization , Mathematics , ...
5
REPLIES
17.1K
VIEWS

[?] Keep x/y (Divide[x,y]) from turning into Times[x, Power[y,-1]]?

QUESTION FROM: Elaine Kant | 8 years ago BY: Elaine Kant
Algebra , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
7.9K
VIEWS

[?] Integrate a piecewise function?

QUESTION FROM: Arm Mo | 8 years ago BY: Arm Mo
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
11K
VIEWS

[?] Calculate this integral with one/two unknown variables?

QUESTION FROM: zhaojx84 | 8 years ago BY: zhaojx84
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
14
REPLIES
9.5K
VIEWS

[?] Plot a graph for viscosity vs. molecular weight?

QUESTION FROM: Arm Mo | 8 years ago BY: Arm Mo
Chemistry , Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
13.6K
VIEWS

[?]Find values of a function's variable that satisfy a certain condition?

QUESTION FROM: Piotr Pawlowicz | 8 years ago BY: jagannath debata
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
5.6K
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
10.9K
VIEWS

Solve Pdes in cylinder coordinates? ( Infinity error due to 1/r )

QUESTION FROM: Yixin Zhang | 8 years ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2.5K
VIEWS

[?] Get a TransitiveClosureGraph[] with loops?

QUESTION FROM: Tigran Aivazian | 8 years ago BY: Tigran Aivazian
Graphs and Networks , Mathematics , Wolfram Language
6
REPLIES
7.9K
VIEWS

[?] Control the precision of the result with FindMinimum?

QUESTION FROM: Joao Porto | 8 years ago BY: Michael Rogers
Optimization , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
9.3K
VIEWS

Improve this relatively simple FindRoot code?

QUESTION FROM: Todor Latev | 8 years ago BY: Michael Rogers
Algebra , Calculus , Equation Solving , Mathematics , ...
4
REPLIES
9K
VIEWS

[?] Define an algebra via generators?

QUESTION FROM: V. Dupoy | 8 years ago BY: Todd Rowland
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
7.6K
VIEWS

Factor out known multipliers in algebraic expressions?

QUESTION FROM: André Barbosa | 8 years ago BY: André Barbosa
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
5.6K
VIEWS

Find minimum of two function in a given range?

QUESTION FROM: dauood saleem | 8 years ago BY: Christos Papahristodoulou
Optimization , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
7.3K
VIEWS

[?] Extract raw data (list of points for each line) from ListContourPlot?

QUESTION FROM: Matty Mookerjee | 8 years ago BY: Matty Mookerjee
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
7.8K
VIEWS

[?] Space data points evenly on LogLog Plot?

QUESTION FROM: ian gullett | 8 years ago BY: Eric Smith
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
6.2K
VIEWS

Avoid trouble while using two if Statements?

QUESTION FROM: Jack benjamin | 8 years ago BY: Jack benjamin
Mathematics , Wolfram Language
3
REPLIES
2.3K
VIEWS

[?] Turn the terms of an expression into a list?

QUESTION FROM: Jesse Sheinwald | 8 years ago BY: Henrik Schachner
Algebra , Mathematics , Wolfram Language
4
REPLIES
7.4K
VIEWS

Rendering of RegionIntersection in 3D?

QUESTION FROM: Maarten van der Burgt | 8 years ago BY: Mariusz Iwaniuk
3D Printing , Geometry , Graphics and Visualization , Mathematics , ...
1
REPLIES
9.2K
VIEWS

Why does a function definition take so long time?

QUESTION FROM: Jacques Ou | 8 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
2.6K
VIEWS

Speed up and make successful a definite Integrate of 3 variables?

QUESTION FROM: Janos Lobb | 8 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
3.1K
VIEWS

Simplify the following mathematical computation?

QUESTION FROM: Reza rho | 8 years ago
Mathematics , Physics , Wolfram Language
0
REPLIES
3.1K
VIEWS

Solve a Matrix differential equation?

QUESTION FROM: Reza rho | 8 years ago BY: Reza rho
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
8.5K
VIEWS

Status, 4th edition, "Modern Differential Geometry of Curves and Surfaces..

QUESTION FROM: Murray Eisenberg | 8 years ago BY: George Woodrow III
Authoring and Publishing , Education , Events & Media , Mathematica , ...
1
REPLIES
8.2K
VIEWS

What algorithm does NSolve use for real solutions of underdetermined system

QUESTION FROM: dbm368 | 8 years ago BY: Updating Name
Equation Solving , Mathematics , Numerical Computation , ...
11
REPLIES
10K
VIEWS

Riemann Zeta Function is the point 0?

QUESTION FROM: Aaron Cattell | 8 years ago
Calculus , Graphics and Visualization , Mathematics , Wolfram|Alpha , ...
0
REPLIES
3.7K
VIEWS

Mark a point on a Taylor Diagram?

QUESTION FROM: M.A. Ghorbani | 8 years ago BY: Okkes Dulgerci
Engineering , Graphics and Visualization , Mathematics , ...
1
REPLIES
8.5K
VIEWS

[?] Use CompositeQ[x]?

QUESTION FROM: Patrick Cesarano | 8 years ago BY: Ilian Gachevski
Mathematica , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
5.8K
VIEWS

Model the birth death process with delay?

QUESTION FROM: Okkes Dulgerci | 8 years ago BY: Okkes Dulgerci
Graphics and Visualization , Mathematics , Modeling , Wolfram Language
1
REPLIES
7.4K
VIEWS

Multi-view Reconstruction example: Problems trying to replicate

QUESTION FROM: Jonathan Hendry | 8 years ago BY: Jonathan Hendry
Geometry , Image Processing , Mathematica , Mathematics , ...
1
REPLIES
4.5K
VIEWS

[?] Find multiple solutions for one equation?

QUESTION FROM: Lexie Tutwiler | 8 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
6.5K
VIEWS

[?] Plot two equations and find the intersection point?

QUESTION FROM: Lexie Tutwiler | 8 years ago BY: Marco Thiel
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
13
REPLIES
30.7K
VIEWS

Find a point on a plot?

QUESTION FROM: Lexie Tutwiler | 8 years ago BY: Roger Wells
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
8.5K
VIEWS

[?] Get Step-by-step solutions using Wolfram Language?

QUESTION FROM: Peter Munro | 8 years ago BY: Marco Thiel
Calculus , Equation Solving , Mathematics , ...
1
REPLIES
14.3K
VIEWS

[?] Plot a function with two variables?

QUESTION FROM: Ghady Almufleh | 8 years ago BY: Ghady Almufleh
Graphics and Visualization , Mathematics , Wolfram Language
7
REPLIES
6.9K
VIEWS

[?] What do these solutions from Solve mean?

QUESTION FROM: Marc Widdowson | 8 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
9.2K
VIEWS

Solve a system of DEs and define array values in a given time interval?

QUESTION FROM: tarik balci | 8 years ago
Calculus , Engineering , Equation Solving , Mathematics , ...
0
REPLIES
3.4K
VIEWS

[?] Get the Maximum of a Minimum with Abs?

QUESTION FROM: Moh Rah | 8 years ago BY: Moh Rah
Optimization , Mathematics , Wolfram Language
2
REPLIES
4.5K
VIEWS

[?] Solve a NDSolveValue-problem?

QUESTION FROM: BARBU DENISIA | 8 years ago BY: Daniel Lichtblau
Civil Engineering , Engineering , Mathematica , Mathematics
4
REPLIES
12.2K
VIEWS

Get two dimensional Newton-Raphson in inverse kinematics of a plane robot?

QUESTION FROM: Ivan L. | 8 years ago BY: Ivan L.
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
8.6K
VIEWS

[?] Plot a sawtooth pulse wave?

QUESTION FROM: Nathan Olszewski | 8 years ago BY: Michael Rogers
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
8.2K
VIEWS

[?] Solve this system of equations with some assumptions?

QUESTION FROM: Joe Ford | 8 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
3
REPLIES
16.9K
VIEWS

Get a random number generator for various cases?

QUESTION FROM: GABBAR JADAV | 8 years ago BY: Hans Milton
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
5.9K
VIEWS

[?] Solve systems of equations with trigonometric expressions?

QUESTION FROM: Brett Stone | 8 years ago BY: Hans Dolhaine
Algebra , Equation Solving , Geometry , Mathematics , ...
3
REPLIES
8.5K
VIEWS

Solve a system of differential equations by using StateSpaceModel?

QUESTION FROM: Lucas Mendonça | 8 years ago
Engineering , Equation Solving , Mathematics , Physics , ...
0
REPLIES
4.1K
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

Set several parameters on a FEM Method for NDEIgensistem?

QUESTION FROM: BARBU DENISIA | 8 years ago
Engineering , Mathematics , Modeling , Numerical Computation , ...
0
REPLIES
4.3K
VIEWS

Optimize the code (Shirley algorithm for XPS data)?

QUESTION FROM: Igor Wlasny | 4 years ago BY: Qiankun Wang
Compilation , Data Science , Optimization , Mathematics , ...
1
REPLIES
8K
VIEWS

Find derivatives via first principle using W|A?

QUESTION FROM: Jun Basch | 8 years ago BY: Frank Kampas
Calculus , Education , Mathematics , Wolfram|Alpha
3
REPLIES
7K
VIEWS

What algorithm is used in TuttePolynomial?

QUESTION FROM: Gordon Royle | 8 years ago
Discrete Mathematics , Mathematics , Wolfram Language
0
REPLIES
2.5K
VIEWS

Plot a simple diagonal ball throw in water, changing resistance coefficient

QUESTION FROM: Leon F | 8 years ago BY: EDITORIAL BOARD
Calculus , Engineering , Equation Solving , ...
2
REPLIES
5.5K
VIEWS

Get the number of Integers coprime to X less than Y?

QUESTION FROM: Sam Parker | 8 years ago BY: Sam Parker
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration , ...
3
REPLIES
8.7K
VIEWS

Why ReplaceAll behave differently in very similar VectorPlot3D situations?

QUESTION FROM: Janos Lobb | 8 years ago BY: Neil Singer
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
5K
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

[?] Perform optimization with a strange constraint?

QUESTION FROM: Ovunc Yilmaz | 8 years ago BY: Ovunc Yilmaz
Data Science , Engineering , Optimization , Mathematics , ...
2
REPLIES
12.9K
VIEWS

[?] Pick columns or rows of a matrix?

QUESTION FROM: Pierre Dehez | 8 years ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
9
REPLIES
8K
VIEWS

Improve this process to model the intersections of the diffusion of sperm?

QUESTION FROM: Vinny Pagano | 8 years ago BY: Vinny Pagano
Equation Solving , Mathematics , Modeling , Wolfram Language
2
REPLIES
5.1K
VIEWS

Use graphdata to plot linked numbers from a formula?

QUESTION FROM: Luis Felipe Massena Misiec | 8 years ago BY: Luis Felipe Massena Misiec
Algebra , Data Science , Equation Solving , ...
3
REPLIES
6K
VIEWS

Use the numbers found in an optimization problem somewhere else?

QUESTION FROM: Ovunc Yilmaz | 8 years ago BY: Ovunc Yilmaz
Business Analytics , Optimization , Mathematics , ...
3
REPLIES
9.1K
VIEWS

Avoid old issue with Limit[Abs[Sign[x*Sin[1/x]]],x->0] = 1 ?

QUESTION FROM: Tigran Aivazian | 8 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
11
REPLIES
7.9K
VIEWS

Avoid message error "MemoryAllocationFailure" with NonlinearModelFit?

QUESTION FROM: Gustavo Dacanal | 8 years ago BY: Gustavo Dacanal
Optimization , Mathematics , Wolfram Language
9
REPLIES
14.5K
VIEWS

Singularity in NDSolve?

QUESTION FROM: Jonas Hamp | 8 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
6K
VIEWS

[?] Output a Table as a Column?

QUESTION FROM: cis cis | 8 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
2.3K
VIEWS

[?] Handle discontinuities at the boundary in DSolve and NDSolve?

QUESTION FROM: Eric Smith | 8 years ago BY: Eric Smith
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
4K
VIEWS

[?] Use NDSolve to solve three dimensional (t,x,y,) pde?

QUESTION FROM: Yixin Zhang | 8 years ago BY: Yixin Zhang
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

[?] Calculate confidence interval for an expected value in linear model?

QUESTION FROM: Luka Vucicevic | 8 years ago BY: Neil Singer
Mathematics , Modeling , Statistics and Probability , Wolfram Language
3
REPLIES
6.3K
VIEWS

Solve a non-linear system of equations?

QUESTION FROM: Jay Cal | 8 years ago BY: Neil Singer
Equation Solving , Mathematics , Wolfram Language
3
REPLIES
4.2K
VIEWS

[?] Min and Max value (range) of a variate

QUESTION FROM: Michael Kilburn | 8 years ago BY: Michael Rogers
Mathematics , Statistics and Probability , Wolfram Language
5
REPLIES
5.4K
VIEWS

[?] Factor out matrices in expressions?

QUESTION FROM: jallberg | 8 years ago BY: jallberg
Mathematics , Wolfram Language
7
REPLIES
9.4K
VIEWS

[?] Size step is effectively zero?

QUESTION FROM: Jonas Hamp | 8 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
7.9K
VIEWS

[?] Define a range of values for this recurrent equation?

QUESTION FROM: Roald Baudoux | 8 years ago BY: Roald Baudoux
Graphics and Visualization , Mathematics , Wolfram|Alpha , ...
4
REPLIES
6.4K
VIEWS

TranslationTransform a VectorPlot3D or a DensityPlot3D object?

QUESTION FROM: Janos Lobb | 8 years ago BY: Janos Lobb
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
6.8K
VIEWS

[?] Compile incomplete gamma function with C code?

QUESTION FROM: Zhe Shen | 8 years ago BY: Ilian Gachevski
External Programs and Systems , Mathematica , Mathematics , ...
2
REPLIES
6K
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
11.2K
VIEWS

[?] Solve problem with PDF and discrete variates?

QUESTION FROM: Michael Kilburn | 8 years ago BY: Michael Kilburn
Graphics and Visualization , Mathematics , ...
8
REPLIES
6.1K
VIEWS

[?] Plot and print out values of a function in NestList?

QUESTION FROM: Nikol Skorupova | 8 years ago BY: EDITORIAL BOARD
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
5.6K
VIEWS

[?] How to build a function? (as it is understood by a programmer)

QUESTION FROM: Michael Kilburn | 8 years ago BY: Michael Kilburn
Mathematics , Wolfram Language
6
REPLIES
4.6K
VIEWS

Add two vector fields if they are based on different mesh points?

QUESTION FROM: Janos Lobb | 8 years ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
2.9K
VIEWS

Use formula for the integration of the product of 3 MeijerG function?

QUESTION FROM: Basem ElHalawany | 8 years ago BY: Basem ElHalawany
Mathematics , Signal Processing , Wolfram Language
2
REPLIES
7.3K
VIEWS

How much of the functionality in CGAL is part of Mathematica?

QUESTION FROM: Ali Hashmi | 3 years ago BY: ZAQU zaqu
Geometry , Mathematica , Mathematics , Software Development , ...
1
REPLIES
6.8K
VIEWS

[?] Get table and List plot for different range of values?

QUESTION FROM: Mujtaba Mozumder | 8 years ago BY: Mujtaba Mozumder
Graphics and Visualization , Mathematics , Numerical Computation , ...
4
REPLIES
5.1K
VIEWS
39
40
41
42
43

Group Count Group Count

6258 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
Data Science 1K discussions 2K subscriptions
Graphics and Visualization 4K discussions 1K subscriptions