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How to specify expressions and assumptions that contain summations?

QUESTION FROM: Richard Frost | 6 years ago BY: Richard Frost
Algebra , Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
5.3K
VIEWS

Catch throw with no results

QUESTION FROM: Luis Felipe Massena Misiec | 6 years ago BY: Brad war
Discrete Mathematics , Mathematics , Wolfram Language
8
REPLIES
7.5K
VIEWS

I need to plot this function please!!

QUESTION FROM: Lina Lili | 6 years ago BY: Henrik Schachner
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
9.1K
VIEWS

A doubt about SubsetCases

QUESTION FROM: Francisco Gutierrez | 6 years ago BY: Pasquale Caterino
Mathematics , Wolfram Language
8
REPLIES
7.8K
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

PDF of a Transformed discrete distribution

QUESTION FROM: Naouar El Khadiri | 6 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
8
REPLIES
8.9K
VIEWS

Simplify expression to minimize number of multiplications

QUESTION FROM: Zak Frentz | 6 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
6.8K
VIEWS

[?] Solve the Kronig Penney model determinant?

QUESTION FROM: John Tiessen | 6 years ago BY: Dan Lawrence
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
8
REPLIES
15.8K
VIEWS

How to get the result of a multiplication between a matrix and a vector?

QUESTION FROM: Alberto de la Torre | 6 years ago BY: Christopher Young
Algebra , Control Systems , Engineering , Mathematica , Mathematics , ...
8
REPLIES
88.3K
VIEWS

Setting derivative boundary conditions in NDSolve

QUESTION FROM: Peter Bischet | 6 years ago BY: Wang JhONG
Mathematics , Mechanical Engineering
8
REPLIES
38.6K
VIEWS

[?] Generate a random connected graph?

QUESTION FROM: Licheng Zhang | 6 years ago BY: Szabolcs Horvát
Graphs and Networks , Mathematics , Wolfram Language
8
REPLIES
16.7K
VIEWS

Replace the "arrows" (rules) for equal signs "="?

QUESTION FROM: jasvesta | 6 years ago BY: jasvesta
Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
6.4K
VIEWS

Simplify sum expression containing Kronecker delta?

QUESTION FROM: Michael Helmle | 7 years ago BY: Michael Helmle
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
7.1K
VIEWS

Get the inverse Laplace transform of an equation?

QUESTION FROM: Lucas G | 7 years ago BY: Lucas G
Calculus , Equation Solving , Graphics and Visualization , ...
8
REPLIES
8.8K
VIEWS

How do you plot a phase diagram for {y',z'} = {{z},{y*(1-y^2)}}?

QUESTION FROM: aaron curley | 7 years ago BY: Arnoud Buzing
Mathematics
8
REPLIES
9.8K
VIEWS

Calculate this series expansion with Bessel functions?

QUESTION FROM: Leslaw Bieniasz | 7 years ago BY: Leslaw Bieniasz
Calculus , Mathematics , Wolfram Language
8
REPLIES
7.8K
VIEWS

How to assign all possible binary values to variables of a function

QUESTION FROM: Mladen Pavicic | 7 years ago BY: Hans Dolhaine
Calculus , Discrete Mathematics , Mathematica , Mathematics
8
REPLIES
6.9K
VIEWS

Perform numerical nonlinear global optimization?

QUESTION FROM: Michael Fischer | 7 years ago BY: Shenghui Yang
Optimization , Mathematics , Wolfram Language
8
REPLIES
7.8K
VIEWS

Solve a linear system of ODEs?

QUESTION FROM: Abed Alnaif | 7 years ago BY: Abed Alnaif
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
9.1K
VIEWS

Avoid NDSolve problem with system of differential equations?

QUESTION FROM: Roberta Jakab | 7 years ago BY: Roberta Jakab
Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
11.3K
VIEWS

[?] Break outer Do loop by an incident in inner Do loop?

QUESTION FROM: S G | 7 years ago BY: Neil Singer
Logic and Boolean Algebra , Mathematics , Wolfram Language
8
REPLIES
10.1K
VIEWS

Solve a system of equations and avoid calculations without response?

QUESTION FROM: Dmitry Chebotarev | 7 years ago BY: Dmitry Chebotarev
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
11K
VIEWS

Fastest way to find if a number has a 0 in its decimal representation?

QUESTION FROM: Fred Alstair | 7 years ago BY: l van Veen
High-Performance Computing , Mathematics , Wolfram Language
8
REPLIES
8.6K
VIEWS

Plot a Dirac Delta Function?

QUESTION FROM: Luciano Pinheiro | 7 years ago BY: Luciano Pinheiro
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
18.9K
VIEWS

Animate these 2D plots?

QUESTION FROM: Ricardo Waste | 7 years ago BY: Ricardo Waste
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
8
REPLIES
5.5K
VIEWS

Set properties to Plot (lines and mesh styles)?

QUESTION FROM: Aymen Amer | 7 years ago BY: Aymen Amer
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
5.4K
VIEWS

Using Findfit

QUESTION FROM: Damodaran Achary | 8 years ago BY: Rohit Namjoshi
Chemical Engineering , Chemistry , Data Science , Mathematics
8
REPLIES
26.9K
VIEWS

Solve the following non-linear integer max-problem with NMaximize?

QUESTION FROM: Christos Papahristodoulou | 8 years ago BY: Frank Kampas
Equation Solving , Optimization , Mathematics , ...
8
REPLIES
8.7K
VIEWS

Solve the reduced three-body problem?

QUESTION FROM: thomas rialan | 8 years ago BY: Alexander Trounev
Astronomy , Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
9.9K
VIEWS

Get the factorization of a polynomial?

QUESTION FROM: Roberto Cipollone | 8 years ago BY: Roberto Cipollone
Algebra , Calculus , Mathematics , Symbolic Computations , ...
8
REPLIES
5.3K
VIEWS

Replacing functions and variables

QUESTION FROM: Derek Handwerk | 8 years ago BY: Daniel Lichtblau
Mathematica , Mathematics , Wolfram Language
8
REPLIES
9.2K
VIEWS

Use CUDA to compute large output calculations?

QUESTION FROM: Omar Mahmoud | 8 years ago BY: Omar Mahmoud
Compilation , External Programs and Systems , Optimization , ...
8
REPLIES
10.1K
VIEWS

Solve an ODE by NDSolve an Interpolating function

QUESTION FROM: Rafael López | 8 years ago BY: Anonymous User
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
12.4K
VIEWS

Get the entire output instead of wrapping it?

QUESTION FROM: Anton Savchenkov | 8 years ago BY: Anton Savchenkov
Geometry , Graphs and Networks , Mathematics , Wolfram Language
8
REPLIES
5.5K
VIEWS

Find the chemical composition of a compound solving a system of equations?

QUESTION FROM: Juan Manuel Casas-Solvas | 8 years ago BY: David J M Park Jr
Algebra , Chemistry , Equation Solving , Mathematics , ...
8
REPLIES
10.3K
VIEWS

Principle of RandomSearch method in NMinimize?

QUESTION FROM: Lukas Vacek | 8 years ago BY: Lukas Vacek
Mathematica , Optimization , Mathematics , Numerical Computation , ...
8
REPLIES
10.4K
VIEWS

Create Magic Cubes, moon level ( 9x9) ?

QUESTION FROM: Sergiy Skorin | 8 years ago BY: Sergiy Skorin
Algebra , Calculus , Mathematics , Recreation , Wolfram Language
8
REPLIES
12.3K
VIEWS

Work with Graph object of Combinatorica package?

QUESTION FROM: Adam Zsolt Wagner | 8 years ago BY: Szabolcs Horvát
Graphs and Networks , Mathematics , Packages , Wolfram Language
8
REPLIES
9.8K
VIEWS

Increase the precision of calculations without SetPrecision in every step?

QUESTION FROM: Maha Youssef | 8 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
9.5K
VIEWS

Use NIntegrate with Boole and IntervalMemberQ?

QUESTION FROM: Shrihari Gopalakrishna | 8 years ago BY: Shrihari Gopalakrishna
Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
5.2K
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

Get solutions to the gauged GL vortices in (1+1) dimensions?

QUESTION FROM: Benjamin Leather | 8 years ago BY: Paritosh Mokhasi
Equation Solving , Mathematics , Numerical Computation , Physics , ...
8
REPLIES
8.8K
VIEWS

[?]  One simple equation gets answer, similar one does not?

QUESTION FROM: Anthony Torrero Collins | 9 years ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Wolfram Language
8
REPLIES
11.1K
VIEWS

[?]  Plot for numerical integration?

QUESTION FROM: Mujtaba Mozumder | 9 years ago BY: Mujtaba Mozumder
Graphics and Visualization , Mathematics , Numerical Computation , ...
8
REPLIES
10.4K
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

DSolve function provides unexpected solution?

QUESTION FROM: Brian Appleton | 9 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
5.8K
VIEWS

[?] Solve an ODE with DSolve?

QUESTION FROM: Michael Astahov | 9 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
10.3K
VIEWS

Get iterative solution of simultaneous differential equations?

QUESTION FROM: Sergio Cabral | 9 years ago BY: Sergio Cabral
Engineering , Equation Solving , Graphics and Visualization , ...
8
REPLIES
8.5K
VIEWS

[?] Find symbolic values in coefficients from FindFit function?

QUESTION FROM: Lea Rebanks | 9 years ago BY: Lea Rebanks
Optimization , Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
9.3K
VIEWS

Fourier series coefficients of a periodic function defined by a base signal

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: Michael Rogers
Mathematics , Wavelets and Fourier Series , Wolfram Language
8
REPLIES
11K
VIEWS

[?] Get Fourier series coefficients with for loop?

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: Michael Rogers
Mathematics , Wavelets and Fourier Series , Wolfram Language
8
REPLIES
15.1K
VIEWS

Image Correlation in Particle Image Velocimetry is behaving strangely

QUESTION FROM: Ali Hashmi | 9 years ago BY: Ali Hashmi
Graphics and Visualization , Image Processing , Mathematics , ...
8
REPLIES
11.2K
VIEWS

Is this definite integral solvable?

QUESTION FROM: Jan Krepela | 9 years ago BY: Mike Luntz
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
10.7K
VIEWS

Make solution videos with voice over using WL?

QUESTION FROM: Peter Munro | 9 years ago BY: Ron Swanson
Algebra , Audio, Sound and Music , Authoring and Publishing , ...
8
REPLIES
14.6K
VIEWS

[?] Write a constraint on list elements when using Maximize ?

QUESTION FROM: Narjes Kandil | 9 years ago BY: Neil Singer
Engineering , Optimization , Mathematics , Wolfram Language
8
REPLIES
7K
VIEWS

[?] Use Solve to get an integer solution?

QUESTION FROM: Ray Lawicki | 9 years ago BY: Ray Lawicki
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
18.1K
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

[?] 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

[?] 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 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

Display machine precision numbers for more than 5 significant digits?

QUESTION FROM: David Kirkby | 9 years ago BY: Alexey Popkov
Mathematics , Wolfram Language
8
REPLIES
12K
VIEWS

Plot on two or more axes?

QUESTION FROM: Werner Geiger | 10 years ago BY: Werner Geiger
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
9.2K
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

Delete cases for a list of pairs of numbers?

QUESTION FROM: Bryan Lettner | 10 years ago BY: Paul Cleary
Mathematics , Wolfram Language
8
REPLIES
22.8K
VIEWS

Use a ProgressIndicator to check an integration?

QUESTION FROM: Jon Ha | 10 years ago BY: Sander Huisman
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
8
REPLIES
5K
VIEWS

Illustration of fourier series for prime number counting functions

QUESTION FROM: Steven Clark | 10 years ago BY: Steven Clark
Calculus , Discrete Mathematics , Graphics and Visualization , ...
8
REPLIES
15.3K
VIEWS

Avoid Plot return the text "-Graphics-"?

QUESTION FROM: Faith Newsome | 10 years ago BY: Daniel Lichtblau
Graphics and Visualization , Mathematica , Mathematics , ...
8
REPLIES
9.4K
VIEWS

Code for verification of reliable digits ?

QUESTION FROM: Dr Muh Nikson | 10 years ago BY: Dr Muh Nikson
Algebra , Calculus , Education , Equation Solving , Mathematics , ...
8
REPLIES
5.5K
VIEWS

Symbolic substitution with differential equations?

QUESTION FROM: Jean Guy Lussier | 10 years ago BY: Jean Guy Lussier
Algebra , Calculus , Equation Solving , Mathematics , Physics , ...
8
REPLIES
8.1K
VIEWS

Evaluate [omega(1) .. omega(10000)] in Wolfram|Alpha within few seconds?

QUESTION FROM: Cornelis van der Bent | 10 years ago BY: Bill Simpson
Algebra , Mathematics , Wolfram|Alpha , Wolfram Language
8
REPLIES
7.5K
VIEWS

Find parameters in a system of Inequalities?

QUESTION FROM: Sebastian Gonzalez | 10 years ago BY: Marco Thiel
Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
4K
VIEWS

Visualize two consecutive definite integrals?

QUESTION FROM: Adam Domjan | 10 years ago BY: Bill Simpson
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
5.1K
VIEWS

Calculation of an angle with 3-4 points in 2 and 3D

QUESTION FROM: Christophe Nell | 10 years ago BY: Christophe Nell
Geometry , Mathematics , Wolfram Language
8
REPLIES
4.2K
VIEWS

Root finding problem. FindRoot[] output message is "Singular Jacobian".

QUESTION FROM: Maha Youssef | 10 years ago BY: Frank Kampas
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
7.9K
VIEWS

Derivative of complete Elliptical integral and show steps of solution.

QUESTION FROM: studygroups 2000 | 10 years ago BY: Daniel Lichtblau
Mathematics , Wolfram Language
8
REPLIES
8.9K
VIEWS

Solve equation with First and Second type of Elliptical Integral?

QUESTION FROM: studygroups 2000 | 10 years ago BY: studygroups 2000
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
8.7K
VIEWS

How to do Cos 48, then Cos 49 and on up to 58 degrees

QUESTION FROM: Jake Trexel | 10 years ago BY: Jake Trexel
Mathematica , Mathematics , Numerical Computation
8
REPLIES
11.3K
VIEWS

DGL in Mathematica

QUESTION FROM: Julia Telge | 11 years ago BY: Julia Telge
Mathematics
8
REPLIES
8.9K
VIEWS

Problem visualising quick sort algorithm

QUESTION FROM: Erik Mahieu | 11 years ago BY: Erik Mahieu
Computer Science , Dynamic Interactivity , Mathematica , ...
8
REPLIES
13.7K
VIEWS

Please help to understand why NDSolve is not solving a nonlinear PDE in 2D?

QUESTION FROM: David Quesada | 11 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
9.7K
VIEWS

Multidimensional Analogies of One-dimensional concepts

QUESTION FROM: Michal Komorowski | 11 years ago BY: Daniel Lichtblau
Mathematics
8
REPLIES
3.1K
VIEWS

Numbers as variables

QUESTION FROM: Sabine Flamand | 11 years ago BY: Sabine Flamand
Economics , Mathematics , Social Science
8
REPLIES
11.1K
VIEWS

How to call an external function from within a numerical integration

QUESTION FROM: Rene Samson | 11 years ago BY: Rene Samson
Engineering , Mathematics , Physics
8
REPLIES
9.9K
VIEWS

Equation solving,

QUESTION FROM: Suleman Khalid | 11 years ago BY: Suleman Khalid
Mathematics , Physics
8
REPLIES
7.5K
VIEWS

How to approximate a bezier curve with a polynom f(x) ?

QUESTION FROM: Matt Paro | 11 years ago BY: Henrik Schachner
Computer Science , Mathematics , Software Development , Visual Arts
8
REPLIES
9.2K
VIEWS

Plotting more curves with "switchable" legend - no color correspondence...

QUESTION FROM: C P | 11 years ago BY: Elton TeKolste
Graphics and Visualization , Mathematica , Mathematics , ...
8
REPLIES
13.9K
VIEWS

Integration - symbols make a difference?

QUESTION FROM: Yaj Bhattacharya | 11 years ago BY: Sean Clarke
Mathematica , Mathematics , Physics
8
REPLIES
7.1K
VIEWS

Why GraphPlot uses \[Rule] for edges in place of \[DirectedEdge] ?

QUESTION FROM: Flavio Sartoretto | 11 years ago BY: Flavio Sartoretto
Mathematica , Mathematics , Wolfram Language
8
REPLIES
6.4K
VIEWS

Ten commands in statistic in Mathematica 7

QUESTION FROM: Tasneem Smadi | 11 years ago BY: Luis Ledesma
Mathematica , Mathematics , Statistics and Probability , ...
8
REPLIES
8.7K
VIEWS

Distibutive property of Conjugate

QUESTION FROM: Saf Al | 11 years ago BY: Saf Al
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
8.4K
VIEWS

How to unite intervals?

QUESTION FROM: Julia Ilkiv | 11 years ago BY: Twan van der Schoot
Mathematics , Wolfram Language
8
REPLIES
8.1K
VIEWS

How to save output of commands like Solve

QUESTION FROM: Seyedamin Hashemi | 11 years ago BY: Thai Kee Gan
Import and Export , Mathematics , Wolfram Language
8
REPLIES
10.9K
VIEWS

Question about MarcumQ function

QUESTION FROM: Saf Al | 12 years ago BY: Saf Al
Mathematica , Mathematics , Statistics and Probability
8
REPLIES
11.8K
VIEWS

Kernel hangs up when evaluating simple expression.

QUESTION FROM: Mario Weitzer | 12 years ago BY: Douglas Skinner
Algebra , Mathematica , Mathematics
8
REPLIES
9.3K
VIEWS

Solve Inequalities

QUESTION FROM: Mauro Dinardo | 12 years ago BY: Frank Kampas
Calculus , Mathematica , Mathematics
8
REPLIES
4.6K
VIEWS

Two math education tracks? Yes, No or maybe so?

QUESTION FROM: paul miller | 12 years ago BY: paul miller
Education , Mathematics
8
REPLIES
10.5K
VIEWS

How do I get output with simple numbers with just one power of 10

QUESTION FROM: Andrew Pepes | 12 years ago BY: Andrew Pepes
Mathematica , Mathematics , Wolfram Language
8
REPLIES
8.4K
VIEWS

Integrate will not evaluate three-dimensional gaussian

QUESTION FROM: C. E. Coppola | 12 years ago BY: W. Craig Carter
Astronomy , Chemical Engineering , Computer Science , Data Science , ...
8
REPLIES
18.3K
VIEWS

Integration by counting points

QUESTION FROM: Charls Mejía | 12 years ago BY: Todd Rowland
Mathematica , Mathematics , Physics
8
REPLIES
7.2K
VIEWS
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