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Help with linear recurrence in 4 variables

QUESTION FROM: Mario Weitzer | 12 years ago BY: Udo Krause
Equation Solving , Mathematica , Mathematics , Wolfram Language
5
REPLIES
7.9K
VIEWS

problem with LUDecomposition and SparseArray

QUESTION FROM: Luis Ledesma | 12 years ago BY: Shenghui Yang
Mathematics , Recreation , Software Development , Wolfram Language
5
REPLIES
8.9K
VIEWS

plotting planes in 3D

QUESTION FROM: Joe Carmack | 12 years ago BY: Udo Krause
Mathematics , Wolfram|Alpha
5
REPLIES
20.2K
VIEWS

Pascal's Triangle and the Binomial Theorem

QUESTION FROM: Gullin Yamal | 12 years ago BY: Gullin Yamal
Graphics and Visualization , Mathematics
5
REPLIES
3.9K
VIEWS

Solving system of equations from partial derivatives & Lagrange multipliers

QUESTION FROM: J L | 12 years ago BY: J L
Calculus , Mathematica , Mathematics
5
REPLIES
5.5K
VIEWS

FindFit built-in symbol: error doesn't make sense

QUESTION FROM: Ram K | 12 years ago BY: Ram K
Mathematica , Optimization , Mathematics , Numerical Computation
5
REPLIES
6.5K
VIEWS

Put Append in Table Format

QUESTION FROM: Daniele Barducci | 12 years ago BY: Daniele Barducci
Import and Export , Mathematica , Mathematics
5
REPLIES
6.9K
VIEWS

plotting eigenvalues of a matrix, speed issues

QUESTION FROM: ralf rueckriemen | 12 years ago BY: Sam Carrettie
Algebra , Graphics and Visualization , Mathematics
5
REPLIES
10K
VIEWS

Three ParametricPlot3D in one plot

QUESTION FROM: kritikaros kritikaros | 12 years ago BY: kritikaros kritikaros
Mathematics
5
REPLIES
4.1K
VIEWS

NextPrime with a prime as its first argument

QUESTION FROM: Gregory Fridman | 12 years ago BY: Gregory Fridman
Mathematica , Mathematics
5
REPLIES
5.7K
VIEWS

Why Manipulate command is not working when ploting the tangent line?

QUESTION FROM: Sergio Garcia | 12 years ago BY: Sergio Garcia
Dynamic Interactivity , Mathematica , Mathematics
5
REPLIES
8.7K
VIEWS

What is the significance of commas within equation solution output?

QUESTION FROM: Ryan Gardner | 12 years ago BY: Ryan Gardner
Engineering , Mathematica , Mathematics , Wolfram Language
5
REPLIES
8.9K
VIEWS

Remove imaginary numbers from the solution of a polynom of 3rd degree

QUESTION FROM: Thomas Vogler | 12 years ago BY: Frank Kampas
Algebra , Mathematica , Mathematics
5
REPLIES
12.9K
VIEWS

4-degree polynomial passing through given 3 points

QUESTION FROM: yongran kim | 12 years ago BY: yongran kim
Mathematica , Mathematics , Wolfram Language
5
REPLIES
35.6K
VIEWS

How would I go about solving this?

QUESTION FROM: Turda Alexander | 13 years ago BY: W. Craig Carter
Algebra , Mathematica , Mathematics
5
REPLIES
9.4K
VIEWS

Matrix operations in "Inertia Versus Gravity in 3d" Demonstration

QUESTION FROM: Mark Henwood | 13 years ago BY: Sam Carrettie
Demonstrations , Mathematica , Mathematics , Physics , ...
5
REPLIES
14K
VIEWS

Symbolic integral of an integrand containing derivative

QUESTION FROM: Dianta Ginting | 13 years ago BY: Nasser M. Abbasi
Calculus , Mathematica , Mathematics , Wolfram Language
5
REPLIES
6.4K
VIEWS

A Dictionary of Real Numbers online?

QUESTION FROM: Howard Wilk | 13 years ago BY: Howard Wilk
Mathematica , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
9.9K
VIEWS

Plotting pdf of NormalDistribution

QUESTION FROM: Erik Sorensen | 13 years ago BY: Erik Sorensen
Mathematica , Mathematics , Statistics and Probability , ...
5
REPLIES
8.4K
VIEWS

How can I optimize my code for Daniel Velleman plots?

QUESTION FROM: Simon Cowell | 13 years ago BY: Simon Cowell
Graphics and Visualization , Mathematica , Mathematics , ...
5
REPLIES
11.1K
VIEWS

How to choose starting point for FindMinimum

QUESTION FROM: Cory Leahy | 13 years ago BY: Cory Leahy
Chemistry , Mathematica , Mathematics , Physics
5
REPLIES
12.3K
VIEWS

Minimum spanning tree from weighted adjacency graph

QUESTION FROM: g sk | 13 years ago BY: Mark Dooris
Computer Science , Graphs and Networks , Mathematica , Mathematics
5
REPLIES
15.2K
VIEWS

Application of Squeeze Theorem

QUESTION FROM: Jessica Blanton | 13 years ago BY: George Woodrow III
Calculus , Mathematica , Mathematics
5
REPLIES
12.5K
VIEWS

3 parameter Weibull distribution integration issues

QUESTION FROM: Chen-Ping Yu | 13 years ago BY: Youngjoo Chung
Calculus , Computer Science , Equation Solving , Mathematica , ...
5
REPLIES
11.7K
VIEWS

Plot several points as coordinates and colouring.

QUESTION FROM: Jakob A | 13 years ago BY: Paul Cleary
Graphics and Visualization , Mathematica , Mathematics , Modeling
5
REPLIES
15.1K
VIEWS

Odd problem with product of Matrices

QUESTION FROM: Raffaele Santagati | 13 years ago BY: Raffaele Santagati
Mathematica , Mathematics
5
REPLIES
4.2K
VIEWS

Expressing numbers in fortran form

QUESTION FROM: Jesse Kanter | 13 years ago BY: David Reiss
Mathematica , Mathematics , Physics
5
REPLIES
5.1K
VIEWS

How can a Boolean representation be displayed as symbolic algebra?

QUESTION FROM: Steve M | 13 years ago BY: Malte Lenz
Algebra , Engineering , Logic and Boolean Algebra , Mathematica , ...
5
REPLIES
15.9K
VIEWS

Boundary condition error with a partial differential equation

QUESTION FROM: Slavi T | 13 years ago BY: Paritosh Mokhasi
Mathematica , Mathematics
5
REPLIES
9.7K
VIEWS

Finding the diversity order of Gamma function

QUESTION FROM: John G | 13 years ago BY: John G
Mathematics , Wolfram Language
5
REPLIES
11.2K
VIEWS

Mathematica syntax errors

QUESTION FROM: paul robinson | 13 years ago BY: C ormullion
Mathematica , Mathematics , Software Development
5
REPLIES
6K
VIEWS

Inconsistent calculations when simplifying two equal terms

QUESTION FROM: John Kubala | 5 days ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
4
REPLIES
117
VIEWS

How to combine a quadratic curve and a line to form an equation with only quadratic terms?

QUESTION FROM: Bill Blair | 22 days ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
229
VIEWS

Difficult convolution problem: can I ask for a solution in terms of elliptic integrals?

QUESTION FROM: Patrick McMullen | 1 month ago BY: Patrick McMullen
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
390
VIEWS

A package for Geometric Algebra calculations?

QUESTION FROM: Alexander Weiss | 3 months ago BY: Eric Brown
Algebra , Geometry , Mathematics , Packages , Wolfram Language
4
REPLIES
3.2K
VIEWS

How to display the derivative result in the desired form?

QUESTION FROM: Bill Blair | 3 months ago BY: Bill Blair
Calculus , Mathematics , Symbolic Computations
4
REPLIES
556
VIEWS

Finding the density function for the absolute difference between two random variables

QUESTION FROM: Patrick McMullen | 6 months ago BY: Jim Baldwin
Graphics and Visualization , Mathematics , ...
4
REPLIES
1.2K
VIEWS

Why does my Mathematica program use 100% CPU but very little RAM and still not finish after hours?

QUESTION FROM: Reza rho | 6 months ago BY: Reza rho
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
1.1K
VIEWS

Seeking examples of "Ruliology"

QUESTION FROM: Ellynne DEC | 7 months ago BY: Ellynne DEC
Mathematics , Physics , Wolfram Language , Wolfram Science
4
REPLIES
1.7K
VIEWS

Ordering four points into a closed quadrilateral with Wolfram

QUESTION FROM: Jim Clinton | 7 months ago BY: Hans Milton
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
1.8K
VIEWS

Rounding a number to a specific significant figure in Wolfram Alpha is not working properly

QUESTION FROM: Tanvir Zawad | 7 months ago BY: David Keith
Mathematics , Wolfram|Alpha
4
REPLIES
1.7K
VIEWS

Equations of the sides of a regular octagon inscribed in x² + y² = 2 with four vertices on the axes

QUESTION FROM: Wen Dao | 8 months ago BY: Wen Dao
Geometry , Mathematics , Wolfram Language
4
REPLIES
1.5K
VIEWS

Evaluate the validity of the inequalities under the given conditions

QUESTION FROM: Wen Dao | 8 months ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.9K
VIEWS

Coefficient extraction for x^2, y^2,xy and x,y

QUESTION FROM: Wen Dao | 8 months ago BY: Wen Dao
Algebra , Mathematics , Wolfram Language
4
REPLIES
1.6K
VIEWS

Determining the condition for a rational expression in k to be constant: coefficient ratio analys

QUESTION FROM: Jim Clinton | 9 months ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.4K
VIEWS

Simplifying a term to achieve a certain result

QUESTION FROM: Jim Clinton | 9 months ago BY: Jim Clinton
Algebra , Mathematics , Wolfram Language
4
REPLIES
1K
VIEWS

Efficiently Computing Piecewise Function Definitions Over an Interval Without Manual Steps

QUESTION FROM: Jim Clinton | 9 months ago BY: Jim Clinton
Mathematics , Wolfram Language
4
REPLIES
1.3K
VIEWS

How to numerically solve a master equation for a time-dependent 3-qubit density matrix in Mathematic

QUESTION FROM: Reza rho | 9 months ago BY: David Trimas
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.8K
VIEWS

Can't finish calculation pertaining to elementary particles and the TOE

QUESTION FROM: Eran Lavi | 9 months ago BY: Eran Lavi
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1.5K
VIEWS

Fully factor polynomial with complex roots

QUESTION FROM: Joseph Stavitsky | 10 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS
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