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

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Mixed Integer Optimization

QUESTION FROM: N Y | 12 years ago BY: Frank Kampas
Business Analytics , Engineering , Mathematica , Optimization , ...
3
REPLIES
9.1K
VIEWS

Is there a package in Mathematica about solving fractional order diff.eqns?

QUESTION FROM: Hamza El Mahjour | 3 years ago BY: Hamza El Mahjour
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
9.1K
VIEWS

Fit a spiral on given image?

QUESTION FROM: Máté Gigacz | 6 years ago BY: Máté Gigacz
Biological Sciences , Graphics and Visualization , Image Processing , ...
5
REPLIES
9.1K
VIEWS

Find a feasible solution with LinearProgramming function?

QUESTION FROM: Kun Fang | 9 years ago BY: Kun Fang
Equation Solving , Optimization , Mathematics , Wolfram Language
5
REPLIES
9.1K
VIEWS

[?] Find pressure corresponding to an entropy (s) and temperature (t)?

QUESTION FROM: Glenn Carlson | 8 years ago BY: Glenn Carlson
Curated Data , Equation Solving , Mathematics , Physics , Units , ...
2
REPLIES
9.1K
VIEWS

How to Invert functions with same input variables?

QUESTION FROM: Ajay Goyal | 10 years ago BY: Gianluca Gorni
Algebra , Data Science , Economics , Education , Engineering , ...
1
REPLIES
9.1K
VIEWS

Piecewise, Evaluate, and NDSolve

QUESTION FROM: Sasha Kasha | 12 years ago BY: Sasha Kasha
Equation Solving , Mathematica , Mathematics
6
REPLIES
9.1K
VIEWS

Very short integration giving me wrong results, I am missing something?

QUESTION FROM: Guillermo Sanchez | 11 years ago BY: David Keith
Calculus , Mathematics , Wolfram|Alpha
3
REPLIES
9.1K
VIEWS

Collect variables from nonlinear System

QUESTION FROM: Kurt Alber | 12 years ago BY: Suba Thomas
Algebra , Control Systems , Mathematics , Wolfram Language
2
REPLIES
9.1K
VIEWS

How to find list that contains different digits.

QUESTION FROM: Okkes Dulgerci | 11 years ago BY: Okkes Dulgerci
Mathematica , Mathematics , Wolfram Language
10
REPLIES
9.1K
VIEWS

Find the sum of Gaussian distribution and Nakagami distribution.

QUESTION FROM: Sagar Kavaiya | 6 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
3
REPLIES
9.1K
VIEWS

Use an InputField going with the result of a RadioButon?

QUESTION FROM: Laurens Wachters | 7 years ago
Control Systems , Dynamic Interactivity , Mathematica , Mathematics , ...
0
REPLIES
9.1K
VIEWS

[?] Provide a default value for x in f[x_?NumericQ]:=...?

QUESTION FROM: Ulrich Mutze | 9 years ago BY: Ulrich Mutze
Mathematics , Wolfram Language
5
REPLIES
9.1K
VIEWS

[WSC18] Using Multilevel NAND trees to Create XOR Expressions

QUESTION FROM: Ben Huenemann | 8 years ago
Computer Science , Graphics and Visualization , Graphs and Networks , ...
0
REPLIES
9.1K
VIEWS

Applying a Function to a Matrix/List?

QUESTION FROM: Mr Pink | 10 years ago BY: Mr Pink
Calculus , Geometry , Mathematics , Wolfram Language
2
REPLIES
9.1K
VIEWS

Problems with recursion

QUESTION FROM: Luis Ledesma | 11 years ago BY: Bill Simpson
Computer Science , Education , Engineering , Game Development , ...
5
REPLIES
9.1K
VIEWS

How to show/plot 3D spheres randomly?

QUESTION FROM: Ravi-Praveenkumar Padnaram | 11 years ago BY: Marco Thiel
Mathematica , Mathematics
4
REPLIES
9.1K
VIEWS

All possible tangent lines to a curve through given point

QUESTION FROM: Thorsten Gildhoff | 13 years ago BY: Paul Cleary
Calculus , Mathematics , Wolfram|Alpha
3
REPLIES
9.1K
VIEWS

[?] Define a function with 4 arguments (integer, real, rational, complex)?

QUESTION FROM: Mohammad Amir Khan | 9 years ago BY: Mohammad Amir Khan
Mathematics , Wolfram Language
7
REPLIES
9.1K
VIEWS

PolarPlot the function $r=-2t$ with $t$ in $[0,2\pi]$:

QUESTION FROM: Gennaro Arguzzi | 8 years ago BY: Gennaro Arguzzi
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
9.1K
VIEWS

Need help with a double sum (indices)

QUESTION FROM: Tom Zinger | 10 years ago BY: Tom Zinger
Algebra , Calculus , Mathematics , Wolfram Language
2
REPLIES
9.1K
VIEWS

Simple Functions in the Wolfram Alpha app

QUESTION FROM: Anderson Cruz | 12 years ago BY: Anderson Cruz
Mathematics , Wolfram|Alpha Apps
2
REPLIES
9.1K
VIEWS

Factorize a polynomial such as x^2-5x-8 ?

QUESTION FROM: Ray Lawicki | 10 years ago BY: Ray Lawicki
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
9.1K
VIEWS

Feature based terrain generation using diffusion equation ?

QUESTION FROM: Luis Ledesma | 11 years ago BY: EDITORIAL BOARD
Computer Science , Earth Science , Game Development , Mathematics , ...
3
REPLIES
9.1K
VIEWS

Utility Function with specific properties

QUESTION FROM: Claude Dax | 11 years ago BY: Sean Clarke
Economics , Mathematics
1
REPLIES
9.1K
VIEWS

can I determine the length of sides of a triangle?

QUESTION FROM: George Rowlett | 13 years ago BY: George Rowlett
Mathematics
3
REPLIES
9.1K
VIEWS

Karl Pearson method for fitting multi-planes to data points?

QUESTION FROM: David J M Park Jr | 6 years ago BY: David J M Park Jr
Data Science , Mathematica , Mathematics , ...
2
REPLIES
9.1K
VIEWS

instantaneous rate of change

QUESTION FROM: Michael Chambers | 11 years ago BY: Sean Clarke
Calculus , Mathematics , Wolfram|Alpha
1
REPLIES
9.1K
VIEWS

Understand Integrate differences between V12 and V11.3?

QUESTION FROM: santiago peris | 7 years ago BY: Daniel Lichtblau
Mathematics , Symbolic Computations , Wolfram Language
9
REPLIES
9.1K
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

[?] Solve a path for the flight of a ball?

QUESTION FROM: Puck Planje | 9 years ago BY: Puck Planje
Equation Solving , Mathematics , Wolfram Language
4
REPLIES
9.1K
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

NDSolve input value lies outside interpolation range

QUESTION FROM: Angelo Esposito | 11 years ago BY: Angelo Esposito
Mathematica , Mathematics , Physics
2
REPLIES
9.1K
VIEWS

Defining a complex variable

QUESTION FROM: Kashif Nazar | 11 years ago BY: Simon Cadrin
Mathematics
14
REPLIES
9.1K
VIEWS

How does PrimitiveRoot[n] select the particular primitive root it returns?

QUESTION FROM: Geoffrey Critzer | 11 years ago BY: Greg Hurst
Mathematics , Wolfram Language
1
REPLIES
9.1K
VIEWS

Improve this relatively simple FindRoot code?

QUESTION FROM: Todor Latev | 8 years ago BY: Michael Rogers
Algebra , Calculus , Equation Solving , Mathematics , ...
4
REPLIES
9.1K
VIEWS

Simplify three equations and write them in a matrix form?

QUESTION FROM: vin Bha | 6 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Symbolic Computations , ...
14
REPLIES
9K
VIEWS

Use apostrophe for derivative?

QUESTION FROM: YS Cheung | 7 years ago BY: Eleazar Johannian
Calculus , Mathematica , Mathematics , Wolfram Language
10
REPLIES
9K
VIEWS

Log-normal as a special case of the generalized gamma distribution

QUESTION FROM: Sandu Ursu | 7 years ago BY: Daniel Lichtblau
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
9K
VIEWS

Work with bras and kets with the Wolfram Language?

QUESTION FROM: Jason Spalding | 10 years ago BY: Udo Krause
Algebra , Mathematics , Packages , Physics , Wolfram Language
1
REPLIES
9K
VIEWS

Strong Graph product between two C_5 graphs?

QUESTION FROM: Alessio Lapolla | 10 years ago BY: Greg Hurst
Discrete Mathematics , Graphs and Networks , Mathematics , Packages , ...
4
REPLIES
9K
VIEWS

Possible bug or I am blind about something??

QUESTION FROM: Raymond Low | 13 years ago BY: Nasser M. Abbasi
Graphics and Visualization , Mathematica , Mathematics
6
REPLIES
9K
VIEWS

How to incorporate crossover probability in my program?

QUESTION FROM: mamoona arshad | 11 years ago
Biological Sciences , Engineering , Industrial Engineering , ...
0
REPLIES
9K
VIEWS

Plot Many Points with ListPointPlot3D[]

QUESTION FROM: Greg | 11 years ago BY: Greg
Graphics and Visualization , Mathematica , Mathematics , ...
4
REPLIES
9K
VIEWS

Solve a system of Differential Equations with EigenSystem DSolve MatrixExp?

QUESTION FROM: Mitchell Sandlin | 7 years ago BY: Mitchell Sandlin
Calculus , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
9K
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

Simulate and visualize a solar planet's motion?

QUESTION FROM: Hojun Lee | 8 years ago BY: Hojun Lee
Astronomy , Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
9K
VIEWS

Avoid indeterminate result after simplifying a function?

QUESTION FROM: Alberto Silva Ariano | 9 years ago BY: Alberto Silva Ariano
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
9K
VIEWS

Issue in the Simplify[ ] function

QUESTION FROM: Ahmed Younes | 11 years ago BY: Sander Huisman
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
9K
VIEWS

Solve a system of 4 algebraic equations?

QUESTION FROM: tarek naime | 10 years ago BY: Frederick Wu
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
9K
VIEWS
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