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Product of 4*4 matrices and taking the inverse of the result?

QUESTION FROM: Sandeep Deshpande | 10 years ago BY: Sandeep Deshpande
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
3.4K
VIEWS

Construct sparse matrix more efficiently?

QUESTION FROM: Milan Vicentijevic | 10 years ago BY: Milan Vicentijevic
Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
3.8K
VIEWS

For Real Input X, Plot Imaginary and Real Output on 2 other axis (3D)

QUESTION FROM: John Travolski | 10 years ago BY: John Travolski
Graphics and Visualization , Mathematics , Symbolic Computations , ...
5
REPLIES
5.2K
VIEWS

Write If-Else Statements using a Module?

QUESTION FROM: Alicia Young | 10 years ago BY: Bianca Eifert
Logic and Boolean Algebra , Symbolic Computations , Wolfram Language
9
REPLIES
13.7K
VIEWS

How can I select associations from a list of associations

QUESTION FROM: Gregory Lypny | 10 years ago BY: Gregory Lypny
Data Science , Symbolic Computations , Wolfram Language
4
REPLIES
4.3K
VIEWS

Making a table from two lists

QUESTION FROM: Luis Morales | 10 years ago BY: Sander Huisman
Graphics and Visualization , Symbolic Computations , Wolfram Language
3
REPLIES
10.5K
VIEWS

Determine the equilibrium points of a predator-prey model?

QUESTION FROM: Jopaul Karriyathi | 10 years ago BY: Marco Thiel
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
12K
VIEWS

Rules to act on rules

QUESTION FROM: Felix K | 10 years ago BY: Felix K
Symbolic Computations , Wolfram Language
7
REPLIES
7.8K
VIEWS

How do you create a new operator such as ///. ?

QUESTION FROM: Eric Johnstone | 11 years ago BY: Eric Johnstone
Symbolic Computations , Wolfram Language
2
REPLIES
5.5K
VIEWS

How assign a function which is a derivative of another function

QUESTION FROM: Omer Tzuk | 11 years ago BY: Omer Tzuk
Symbolic Computations
3
REPLIES
5.3K
VIEWS

TriangleWave automatic simplification question

QUESTION FROM: Sander Huisman | 11 years ago BY: Frank Kampas
Signal Processing , Symbolic Computations , Wolfram Language
1
REPLIES
5.5K
VIEWS

Special merge of two lists

QUESTION FROM: wojtek potocki | 11 years ago BY: wojtek potocki
Symbolic Computations , Wolfram Language
6
REPLIES
6.9K
VIEWS

Using ReplaceAll to Extract Parts of a List

QUESTION FROM: Gregory Lypny | 11 years ago BY: Gregory Lypny
Symbolic Computations , Wolfram Language
4
REPLIES
6.6K
VIEWS

Bigram lookup in Association

QUESTION FROM: Buck Huffman | 11 years ago BY: Vitaliy Kaurov
Symbolic Computations , Wolfram Language
1
REPLIES
4.7K
VIEWS

Running Solve on this equation leads nowhere..

QUESTION FROM: Omer Tzuk | 11 years ago BY: Omer Tzuk
Equation Solving , Mathematica , Symbolic Computations , ...
2
REPLIES
5.8K
VIEWS

Simultaneous solving of two equations for extraction of one variable

QUESTION FROM: Omer Tzuk | 11 years ago BY: Gianluca Gorni
Algebra , Calculus , Mathematica , Symbolic Computations , ...
3
REPLIES
6.1K
VIEWS

Is it possible to remove terms dependent on a specific variable?

QUESTION FROM: inkwan Park | 12 years ago BY: inkwan Park
Symbolic Computations , Wolfram Language
2
REPLIES
10.5K
VIEWS

Expand symbolic matrix calculation

QUESTION FROM: Anonymous User | 12 years ago BY: Bill Simpson
Algebra , Mathematica , Mathematics , Symbolic Computations
1
REPLIES
2.7K
VIEWS

DSolve does not solve this

QUESTION FROM: Casper YC | 12 years ago BY: Casper YC
Calculus , Equation Solving , Mathematica , Symbolic Computations
7
REPLIES
20.5K
VIEWS

Problems with Assumptions for Integrate and Reduce

QUESTION FROM: Paul Reiser | 12 years ago BY: Paul Reiser
Algebra , Calculus , Symbolic Computations , Wolfram Language
6
REPLIES
12.3K
VIEWS

Assign values to a list

QUESTION FROM: Casper YC | 12 years ago BY: Ilian Gachevski
Mathematica , Symbolic Computations
1
REPLIES
6.9K
VIEWS

Pattern matching in self defined functions

QUESTION FROM: Casper YC | 12 years ago BY: Christopher French
Mathematica , Symbolic Computations
1
REPLIES
5.6K
VIEWS

How to find global minimum value for big, exact objective function

QUESTION FROM: Usman Rauf | 12 years ago BY: Bill Simpson
Equation Solving , Mathematica , Numerical Computation , ...
3
REPLIES
6.1K
VIEWS

Extract matrix from complicated symbolic vector

QUESTION FROM: Pascal Schulthess | 12 years ago BY: Pascal Schulthess
Mathematica , Symbolic Computations
2
REPLIES
3.7K
VIEWS

Would someone take a moment (Integrate hang)

QUESTION FROM: Bill Simpson | 13 years ago BY: Bruce Miller
Mathematica , Symbolic Computations , Tuning and Debugging , ...
3
REPLIES
10.8K
VIEWS

How do you substitute multiple equations into one expression?

QUESTION FROM: Veselin Dobrev | 13 years ago BY: David Keith
Equation Solving , Symbolic Computations , Wolfram Language
5
REPLIES
7.4K
VIEWS

Logs, complex numbers and arctan

QUESTION FROM: mike | 13 years ago BY: mike
Symbolic Computations
5
REPLIES
8.8K
VIEWS

Simplification of expression with complex variables

QUESTION FROM: Rodion Stepanov | 13 years ago BY: Rodion Stepanov
Algebra , Calculus , Mathematica , Mathematics , Symbolic Computations
3
REPLIES
13.7K
VIEWS

How do we add criteria to the logical statements to get what I want?

QUESTION FROM: Bharath Krishnan | 16 days ago BY: Michael Rogers
Logic and Boolean Algebra , Mathematics , Symbolic Computations , ...
1
REPLIES
171
VIEWS

Numerical test for divergence/convergence of integrals on (0, $\infty$)

QUESTION FROM: Denis Ivanov | 6 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , ...
1
REPLIES
1K
VIEWS

How can I correct the following code to produce the expected result?

QUESTION FROM: Xu Xu | 0 months ago BY: Xu Xu
Algebra , Equation Solving , Mathematics , Physics , ...
8
REPLIES
2.7K
VIEWS

Help with rearranging the equation and solution Steps?

QUESTION FROM: Sami Heidari | 1 year ago BY: Sami Heidari
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1.5K
VIEWS

Using indices to define the metric and Ricci tensor

QUESTION FROM: Safinaz Salem | 1 year ago
Algebra , Calculus , Mathematics , Symbolic Computations , ...
0
REPLIES
1.7K
VIEWS

Issue with contour plot

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.8K
VIEWS

Finding Upper Bounds on Complex Function Extrema

QUESTION FROM: Patrick DS. | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations
3
REPLIES
1.8K
VIEWS

Issues solving symbolic matrix equation

QUESTION FROM: Reza rho | 2 years ago BY: Updating Name
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
2.2K
VIEWS

Soving equation and Plotting issue with multiple parameter

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.1K
VIEWS

Unexpected output of Eliminate Doc example in V14?

QUESTION FROM: Andrey Krutov | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Symbolic Computations , Wolfram Language
4
REPLIES
2.6K
VIEWS

The Simplify function is not completely simplified

QUESTION FROM: Zhenyu Zeng | 2 years ago BY: Zhenyu Zeng
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
3.5K
VIEWS

Can Wolfram Language be used to simplify two algebra expressions by Elements rather than numbers?

QUESTION FROM: Snowy Owl | 2 years ago BY: Gustavo Delfino
Algebra , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
3.3K
VIEWS

How to limit variables in Solve[ ]?

QUESTION FROM: Reinhard Müller | 2 years ago BY: Reinhard Müller
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3K
VIEWS

DSolve has reached the maximum number of calculations

QUESTION FROM: James James | 2 years ago BY: James James
Calculus , Equation Solving , Graphics and Visualization , ...
7
REPLIES
3.6K
VIEWS

Problem with using AllReplace at equation solutions

QUESTION FROM: P. Marrone | 2 years ago BY: Ankit Kantheti
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
4.2K
VIEWS

How to choose desired solvable variables in Solve

QUESTION FROM: Izhak Manilov | 2 years ago BY: Izhak Manilov
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
3.3K
VIEWS

Closed form Trascendental Equation

QUESTION FROM: Pino Savana | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.1K
VIEWS

Normalizing the wavefunction and plotting it gives error TerminatedEvaluation["RecursionLimit"]

QUESTION FROM: Hongyi Zhao | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
5
REPLIES
4K
VIEWS

Solving ODE: DSolve gives no output

QUESTION FROM: Safinaz Salem | 3 years ago BY: Safinaz Salem
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.5K
VIEWS

Assistance with Defining Assumptions for an Array of Symbolic Size

QUESTION FROM: Yuv M | 3 years ago BY: Yuv M
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.3K
VIEWS

Solving system of equations: long evaluation time with no results

QUESTION FROM: Saroj Dattatreya | 3 years ago BY: Saroj Dattatreya
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.6K
VIEWS

Using Solve function with summation

QUESTION FROM: Thomas Weichhart | 3 years ago BY: Thomas Weichhart
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.4K
VIEWS

Unexpected result from FullSimplify?

QUESTION FROM: Neil Geismar | 3 years ago BY: Gianluca Gorni
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
2.4K
VIEWS

Solve error: "..." is not a valid variable

QUESTION FROM: Cesar Cardenas Ruiz | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
3.3K
VIEWS

Symbolic computation using "Reduce" does not give a result

QUESTION FROM: Lingfei Li | 3 years ago BY: Lingfei Li
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.2K
VIEWS

System of equation involving matrices

QUESTION FROM: Ahmad Rufa'i | 3 years ago BY: Ahmad Rufa'i
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.5K
VIEWS

Finding the constants of the coupled differential equation

QUESTION FROM: Anand Mathew | 3 years ago BY: Anand Mathew
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.1K
VIEWS

Solving system of equations in six unknowns: incomplete solution

QUESTION FROM: Sibusiso Mthembu | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.3K
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

Simplify function argument

QUESTION FROM: julio kuplinsky | 3 years ago BY: Jari Kirma
Algebra , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
3.6K
VIEWS

How to Solve general equation using Mathematica?

QUESTION FROM: Manish Jain | 3 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
3K
VIEWS

Nonuniform circular motion

QUESTION FROM: Peter Burbery | 3 years ago
Equation Solving , Geometry , Graphics and Visualization , ...
0
REPLIES
1.9K
VIEWS

How to check expressions for symbolic equality?

QUESTION FROM: W T | 3 years ago BY: Eric Rimbey
Mathematics , Symbolic Computations , Wolfram|Alpha , Wolfram Language
8
REPLIES
12.2K
VIEWS

Unexpected solution from Solve?

QUESTION FROM: Jason L | 4 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.4K
VIEWS

Issues with "use Reduce for complete solutions"

QUESTION FROM: Kat Lee | 4 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.4K
VIEWS

How do I use the difference root in Wolfram|Alpha?

QUESTION FROM: Oluwamide Agunloye | 4 years ago BY: Updating Name
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.1K
VIEWS

Closed form solving for parameters of exponential

QUESTION FROM: Pino Savana | 4 years ago BY: Pino Savana
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.7K
VIEWS

Solving Diophantine equation warning: not all solutions

QUESTION FROM: Hongyi Zhao | 4 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.7K
VIEWS

Perform a caputo fractional derivative?

QUESTION FROM: mudaffer alnobani | 4 years ago BY: Dent de Lion
Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
6.8K
VIEWS

Why can't DSolve solve this differential equation?

QUESTION FROM: ShengTao Yang | 4 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
3.6K
VIEWS

How to write system of differential equations in Mathematica with index?

QUESTION FROM: ver din | 4 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
5K
VIEWS

Complicated form of results from DSolve?

QUESTION FROM: Paul Müller | 4 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
3.7K
VIEWS

Convolution of a Gaussian with a simple pole: incomplete solution

QUESTION FROM: Fab Nicol | 4 years ago BY: Fab Nicol
Calculus , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
4.7K
VIEWS

Truncated solution plot of ODE

QUESTION FROM: Marek Wojcik | 4 years ago BY: Marek Wojcik
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
5
REPLIES
6K
VIEWS

Simplification of absolute value

QUESTION FROM: Steven Kaptein | 4 years ago BY: Steven Kaptein
Algebra , Calculus , Symbolic Computations , Wolfram Language
4
REPLIES
4.1K
VIEWS

Unable to find roots for a simple equation

QUESTION FROM: Willem Verheijen | 4 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.8K
VIEWS

Solve goes into infinite loop, when solving a quadratic equation system

QUESTION FROM: Ralph Trenkler | 5 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.7K
VIEWS

Help solving two equations analytically?

QUESTION FROM: H Li | 5 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
3.5K
VIEWS

Error using Solve[ ] for an equation?

QUESTION FROM: mahdi safarbali | 5 years ago BY: mahdi safarbali
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
3.9K
VIEWS

Conversion to a system of second order ODEs then first order ODEs

QUESTION FROM: Bogdan Udrea | 5 years ago BY: Bogdan Udrea
Calculus , Mathematics , Modeling , Symbolic Computations , ...
2
REPLIES
6.5K
VIEWS

Not able to solve an integration?

QUESTION FROM: ISHA ARORA | 5 years ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
2.3K
VIEWS

Merge similar terms after shifting the terms in the following equation?

QUESTION FROM: Lee Tao | 5 years ago BY: Lee Tao
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
6.2K
VIEWS

Equation not getting solution

QUESTION FROM: Ropafadzo N | 5 years ago BY: Hans Dolhaine
Equation Solving , Physics , Symbolic Computations , Wolfram Language
2
REPLIES
6K
VIEWS

Minimize doesn't work for simple trigonometric function

QUESTION FROM: Dongmin Choi | 5 years ago BY: Dongmin Choi
Calculus , Equation Solving , Optimization , Mathematics , ...
2
REPLIES
4.9K
VIEWS

Getting repeated root using DSolve for linear 2nd PDE?

QUESTION FROM: Zeyu Zhai | 5 years ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
2.7K
VIEWS

Unexpected results from Solve[ ]?

QUESTION FROM: Benny Rodríguez Saenz | 5 years ago BY: Benny Rodríguez Saenz
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.4K
VIEWS

Represent and compute with matrix-valued functions of a vector?

QUESTION FROM: Darwin Poritz | 5 years ago BY: Darwin Poritz
Algebra , Mathematica , Mathematics , Symbolic Computations , ...
2
REPLIES
4.3K
VIEWS

Looking for a closed-form solution using Solve[ ]

QUESTION FROM: sebastiano piccolroaz | 5 years ago BY: sebastiano piccolroaz
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.8K
VIEWS

Error using Solve[] for a set of inequalities

QUESTION FROM: J Jesus Rico-Melgoza | 5 years ago BY: J Jesus Rico-Melgoza
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
6.1K
VIEWS

Integration result in terms of specific function?

QUESTION FROM: Sahil Goyal | 5 years ago BY: Sahil Goyal
Calculus , Symbolic Computations , Wolfram Language
8
REPLIES
4.7K
VIEWS

Solving system of equations with Solve takes too long?

QUESTION FROM: Olimpia Cutinelli Rendina | 5 years ago BY: Werner Geiger
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
12
REPLIES
8.5K
VIEWS

How to enter equation while specifying terms?

QUESTION FROM: Paul K | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
4.1K
VIEWS

No output from MomentOfInertia[ ]?

QUESTION FROM: Ibrahim Bakry | 6 years ago BY: Ibrahim Bakry
Physics , Symbolic Computations , Wolfram Language
2
REPLIES
3.9K
VIEWS

No progress in Jordan decomposition of a symbolic matrix

QUESTION FROM: bananas consult | 6 years ago BY: bananas consult
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
4.9K
VIEWS

Translate boundary conditions into Mathematica's code?

QUESTION FROM: Hekarl Uzir | 6 years ago BY: Hekarl Uzir
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.9K
VIEWS

Solve[] not giving ConditionalExpression?

QUESTION FROM: Thomas Tse | 6 years ago BY: John Doty
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
8.9K
VIEWS

Simplify a simple expression

QUESTION FROM: Yuhai Xiang | 6 years ago BY: Yuhai Xiang
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
7.5K
VIEWS

Collect just one term in a polynomial?

QUESTION FROM: Cosimo PRUSCIANO | 6 years ago BY: Cosimo PRUSCIANO
Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
5K
VIEWS

Need to Simplify Trig Functions of ArcTan

QUESTION FROM: Frank Kampas | 6 years ago BY: Frank Kampas
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.8K
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

Solve and plot the following equation's derivative

QUESTION FROM: Elanor Lambert | 6 years ago BY: Henrik Schachner
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
4.5K
VIEWS

Calculate scalar H number divided by N vector?

QUESTION FROM: Meryem Aslı | 6 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics , ...
17
REPLIES
10.4K
VIEWS
3
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