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Is there a built-in function for matrices product?

QUESTION FROM: Domingo Gomez Morin | 3 years ago BY: Domingo Gomez Morin
Algebra , Mathematics , Wolfram Language
4
REPLIES
3.2K
VIEWS

Empty output solving equation of 4 variables using FindInstance?

QUESTION FROM: Ana Squadri | 3 years ago BY: Mariusz Iwaniuk
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3K
VIEWS

Finding the most-compact form of an expression using Wolfram|Alpha?

QUESTION FROM: Z L | 3 years ago
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
0
REPLIES
1.9K
VIEWS

Solve equations that involve Mod?

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.5K
VIEWS

Use the result of a numerical solution in FindRoot

QUESTION FROM: Pierre Sens | 3 years ago BY: Pierre Sens
Algebra , Equation Solving , Optimization , Mathematics , ...
2
REPLIES
3.1K
VIEWS

Testing for vector equivalence

QUESTION FROM: Ted Bartlett | 3 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.7K
VIEWS

Calculate the Rational Canonical Form of a square matrix

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
7
REPLIES
7.2K
VIEWS

Symbolic computation using complex variables

QUESTION FROM: Ted Bartlett | 3 years ago BY: Hans Dolhaine
Algebra , Mathematics , Wolfram Language
3
REPLIES
3.9K
VIEWS

Wronskian determinant for some functions?

QUESTION FROM: C D | 3 years ago BY: Hans Milton
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.5K
VIEWS

Solving system of equations with Solve takes too long

QUESTION FROM: Michael Anthony Mendes | 3 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.7K
VIEWS

Closed form solving for parameters of exponential

QUESTION FROM: Pino Savana | 3 years ago BY: Pino Savana
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.3K
VIEWS

Unexpected result from FindRoot

QUESTION FROM: Chenghua Deng | 3 years ago BY: Chenghua Deng
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.2K
VIEWS

Thread error: Objects of unequal length cannot be combined

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

How to simplify Sqrt[z^2]

QUESTION FROM: Leslaw Bieniasz | 3 years ago BY: Hans Milton
Algebra , Mathematics , Wolfram Language
1
REPLIES
3.1K
VIEWS

Possible solutions in range for Inequality with multiple variables

QUESTION FROM: Rob D | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.8K
VIEWS

Hypergeometric function particular values

QUESTION FROM: Mikko Tommila | 3 years ago BY: Mariusz Iwaniuk
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.3K
VIEWS

NDSolve error: Equation or list of equations expected

QUESTION FROM: Md Taj | 3 years ago BY: Md Taj
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.9K
VIEWS

HermiteDecomposition a symbolic matrix

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Revision on the document of the Eigensystem diagonalization example

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

Determine a rational matrix with rational variables

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.3K
VIEWS

Understand the ShearingMatrix

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

Identify the shearing transformation corresponding to a given matrix

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

FindInstance got stuck when n = 1

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

Calculate generalized eigenvector using Jordan normal form.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
3.2K
VIEWS

Solving Diophantine equation warning: not all solutions

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.2K
VIEWS

Solving for real values while function values are complex

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.5K
VIEWS

How to simplify an expression through variable substitution?

QUESTION FROM: Chenjia Zhang | 3 years ago BY: Bill Nelson
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.5K
VIEWS

Precision of numerical series value in Wolfram|Alpha

QUESTION FROM: Yuri Artamonov | 3 years ago BY: Yuri Artamonov
Algebra , Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
3K
VIEWS

Take real or complex entries of eigensystem or separate them as a whole

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Wolfram Language
33
REPLIES
5.3K
VIEWS

Break ParallelTable once a valid result is obtained.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , High-Performance Computing , ...
2
REPLIES
2.7K
VIEWS

About the norm determination algorithm used by Eigenvectors[ ]

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.4K
VIEWS

Can the element indices in a Table-Map-Manipulate structure be determined?

QUESTION FROM: Gerald Proteau | 3 years ago
Algebra , Dynamic Interactivity , Equation Solving , Mathematics , ...
0
REPLIES
2.6K
VIEWS

Obtain the RealBlockDiagonalForm of a matrix with complex Eigensystem.

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.3K
VIEWS

Factoring out the factor of a matrix with the results elements Abs <=1

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hans Milton
Algebra , Mathematics , Wolfram Language
3
REPLIES
3K
VIEWS

Polynomial fit for recursion

QUESTION FROM: Daniel Boyce | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
3.2K
VIEWS

HermiteDecomposit of the lattices generated by column or row matrices

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
4
REPLIES
2.4K
VIEWS

Enhanced documentation description of SmithDecomposition may be required

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.3K
VIEWS

Hopf instability calculation error: system contains nonconstant expression

QUESTION FROM: benito Zenteno | 3 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.6K
VIEWS

A function accepts multiple matrices arguments

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Eric Rimbey
Algebra , Mathematics , Wolfram Language
13
REPLIES
4K
VIEWS

Error "Message text not found": what does it mean?

QUESTION FROM: James Bowery | 3 years ago
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
3.2K
VIEWS

Getting all solutions of (-1)^(2/3) ?

QUESTION FROM: Bert Aerts | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
4.5K
VIEWS

Why is this giving me the Root solutions instead of zero?

QUESTION FROM: Dustin Gaskins | 3 years ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.7K
VIEWS

FindRoot with Around (uncertainty)?

QUESTION FROM: James Bowery | 3 years ago
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
2K
VIEWS

Composite function does not work as expected

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Mathematics , Wolfram Language
2
REPLIES
2.7K
VIEWS

The different lattice reduction results given by Mathematica and fplll.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Geometry , Mathematics , Wolfram Language
4
REPLIES
3.2K
VIEWS

Calculating quotient groups and normal subgroups

QUESTION FROM: Afonso Guerrreiro | 2 years ago BY: Bowen Ping
Algebra , Group Theory , Mathematics , Wolfram Language
1
REPLIES
5K
VIEWS

Calculate the crystallographic restriction in higher dimensions

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Group Theory , Mathematics , Wolfram Language
0
REPLIES
1.5K
VIEWS

Simplify the full symbolic eigenvalues of an affine transformation matrix

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
1
REPLIES
3.1K
VIEWS

Unexpected result of infinite product in Wolfram|Alpha?

QUESTION FROM: Fredrik J | 3 years ago BY: Marvin Ray Burns A.G.S. (cum laude)
Algebra , Mathematics , Wolfram|Alpha
1
REPLIES
4.1K
VIEWS

3 coupled elliptic PDE's.How to implement? Finite difference derivative?

QUESTION FROM: reinoud slagter | 3 years ago
Algebra , Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
1.7K
VIEWS

Modulus->n not working in free input form

QUESTION FROM: Santiago Rocha | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.2K
VIEWS

Solve a matrix equation whose variables are defined over different domains

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.4K
VIEWS

Run SmithDecomposition on a matrix including variables

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
7
REPLIES
2.8K
VIEWS

Odd model results and error about the AccuracyGoal in FindRoot?

QUESTION FROM: Victor Nielsen | 3 years ago
Algebra , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
1.8K
VIEWS

Find the similarity/conjugation transformation between affine matrices set

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Group Theory , Mathematics , Wolfram Language
0
REPLIES
1.3K
VIEWS

Cohomology related calculation in Wolfram language?

QUESTION FROM: Hongyi Zhao | 3 years ago
Algebra , Group Theory , Mathematics , Wolfram Language
0
REPLIES
1.6K
VIEWS

Row vs column vectors?

QUESTION FROM: Frederick H Lott Jr | 3 years ago BY: Sander Huisman
Algebra , Mathematics , Wolfram Language
5
REPLIES
13.1K
VIEWS

Optimize the efficiency of outer product when generating group elements

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Group Theory , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

Understanding the computations applied to a square matrix

QUESTION FROM: Baymax Hamada | 3 years ago BY: Nikolay Shilov
Algebra , Mathematics , Wolfram Language
1
REPLIES
3.4K
VIEWS

The solution of cubic equation x^3+cx=d

QUESTION FROM: Daniel Niu | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
4.3K
VIEWS

Using Simplify for FractionalPart[x] and Mod[x,1] gives different results

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Mariusz Iwaniuk
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.1K
VIEWS

Find transformations for two non-square matrices $A$ and $B$

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Twan van der Schoot
Algebra , Mathematics , Wolfram Language
1
REPLIES
2.4K
VIEWS

How to solve system of 3 non-linear equations analytically and numerically?

QUESTION FROM: TAPENDER Thakur | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
4.1K
VIEWS

Unexpected number of solutions from Solve with system of equations?

QUESTION FROM: Jürgen Kanz | 3 years ago BY: Jürgen Kanz
Algebra , Equation Solving , Mathematics , Wolfram Engine , ...
2
REPLIES
4.2K
VIEWS

Different numerical equation results between Mathematica and Wolfram|Alpha

QUESTION FROM: Chenghua Deng | 3 years ago BY: Chenghua Deng
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.4K
VIEWS

Calculate the unitary irreducible representation of a matrix group.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hans Dolhaine
Algebra , Group Theory , Mathematics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Simplify the FractionalPart of an expression including variables

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hans Milton
Algebra , Mathematics , Wolfram Language
3
REPLIES
2.2K
VIEWS

Find the equation of the line passing through two points

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
4K
VIEWS

Unexpected behavior of DistanceMatrix?

QUESTION FROM: Massimiliano Pavan | 3 years ago BY: Sander Huisman
Algebra , Geometry , Mathematics , Wolfram Language
13
REPLIES
5.7K
VIEWS

Solve error: not a valid variable

QUESTION FROM: J E | 3 years ago BY: J E
Algebra , Equation Solving , Mathematics , Wolfram Language
15
REPLIES
8K
VIEWS

The pure translation affine conjugating transformation of a space group.

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Hongyi Zhao
Algebra , Group Theory , Mathematics , Wolfram Language
8
REPLIES
5K
VIEWS

Point rotation in Quaternion?

QUESTION FROM: A Kim | 3 years ago BY: A Kim
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
11
REPLIES
4K
VIEWS

Regarding solving a polynomial: gives empty output

QUESTION FROM: Neetasha Arya | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
3K
VIEWS

Numerical Solution of Black-Scholes Equation (KMV Model)

QUESTION FROM: Salman Zaffar | 3 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
4.5K
VIEWS

Solve doesn't like roots

QUESTION FROM: Frank Kampas | 3 years ago BY: Zhenyu Zeng
Algebra , Equation Solving , Mathematics , Tuning and Debugging , ...
20
REPLIES
6.4K
VIEWS

Transcendental equation cannot be solved?

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
10
REPLIES
6.6K
VIEWS

Periodic Boundary conditions do not work

QUESTION FROM: Marc Weinberg | 3 years ago BY: Marc Weinberg
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.8K
VIEWS

How can I extract part of a function from NDSolve?

QUESTION FROM: Bryan Foo | 3 years ago BY: Bryan Foo
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
3.6K
VIEWS

A simple quadratic equation cannot be solved?

QUESTION FROM: Werner Geiger | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Tuning and Debugging , ...
6
REPLIES
5K
VIEWS

[Solved] Storing solutions of systems of equations in a loop

QUESTION FROM: Olimpia Cutinelli Rendina | 3 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
3.4K
VIEWS

Complex Airy function implementation in Mathematica?

QUESTION FROM: A Alomar | 3 years ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
1.9K
VIEWS

Delete numbers below the diagonal in a table?

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Algebra , Mathematics , Wolfram Language
6
REPLIES
3.9K
VIEWS

Lost solutions of the Diophantine equation in V. 11.1

QUESTION FROM: Albert Lebedev | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.6K
VIEWS

Mathematica-3DPlots and Laurent series of Multivariable functions

QUESTION FROM: Vinícius Hopkins | 3 years ago BY: Vinícius Hopkins
3D Printing , Algebra , Calculus , Graphics and Visualization , ...
3
REPLIES
6.3K
VIEWS

Are the eigenvectors calculated by Mathematica miscalculated?

QUESTION FROM: Sthen Sdfs | 3 years ago BY: Michael Rogers
Algebra , Mathematica , Mathematics , Wolfram Language
3
REPLIES
3.7K
VIEWS

Customizing phase portraits of differential equations?

QUESTION FROM: Vinícius Hopkins | 3 years ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Physics , ...
1
REPLIES
4.1K
VIEWS

How to merge Limit in Solve?

QUESTION FROM: Zhenyu Zeng | 3 years ago BY: Zhenyu Zeng
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.5K
VIEWS

3D plotting a function and showing a parameter variation?

QUESTION FROM: KRISHAN SHARMA | 3 years ago BY: Henrik Schachner
Algebra , Graphics and Visualization , Mathematics
3
REPLIES
4K
VIEWS

Constraint programming models solving

QUESTION FROM: Konstantin Smirnov | 3 years ago BY: Updating Name
Algebra , Equation Solving , Optimization , Mathematics , ...
1
REPLIES
3.2K
VIEWS

How can Wolfram|Alpha get all 5 solutions?

QUESTION FROM: Sergey Berezin | 3 years ago BY: Sergey Berezin
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
22
REPLIES
9.7K
VIEWS

Solve result is missing a solution over Reals?

QUESTION FROM: Dustin Gaskins | 3 years ago BY: Adam Strzebonski
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
5.2K
VIEWS

Non-linear data fitting: Overflow occurred in computation?

QUESTION FROM: Jung Hwan Kim | 3 years ago BY: Jim Baldwin
Algebra , Data Science , Modeling , Wolfram Language
5
REPLIES
6.2K
VIEWS

Empty output from Solve?

QUESTION FROM: Jihong Min | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.5K
VIEWS

Speeding up Boussinesq equations solving?

QUESTION FROM: Lion Sahara | 3 years ago BY: Lion Sahara
Algebra , Equation Solving , Geometry , Mathematics , Modeling , ...
2
REPLIES
3.6K
VIEWS

Unexpect answer for A x B = C x B where A, B, C are R3

QUESTION FROM: Gerald Kamin | 3 years ago BY: Hans Dolhaine
Algebra , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
3.8K
VIEWS

How may we write Nth polynomials and perform their derivatives?

QUESTION FROM: Vinícius Hopkins | 3 years ago BY: Vinícius Hopkins
Algebra , Calculus , Mathematics , Wolfram Language
5
REPLIES
5.5K
VIEWS

Finding the similarity transformation between two matrices

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Group Theory , Mathematics , ...
13
REPLIES
6.8K
VIEWS

NSolve gives an empty set as a solution

QUESTION FROM: S Sarkar | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
3.2K
VIEWS

Solving two equations using Wolfram|Alpha?

QUESTION FROM: Raghed Arnouk | 3 years ago BY: Raghed Arnouk
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
8
REPLIES
5.3K
VIEWS

No output solving 3 equations in 3 variable using Solve[ ]?

QUESTION FROM: Shivank Kumar | 3 years ago BY: Robert Nowak
Algebra , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
4.8K
VIEWS
2
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4
5
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