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Symbolic computations in calculus, linear algebra, statistics, finance...

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How to use state-space based differential quadrature method in Wolfram to find the roots

QUESTION FROM: Ahmad AlMamo | 8 days ago
Algebra , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
113
VIEWS

Is this system of equations unsolvable?

QUESTION FROM: Wang Jiapeng | 8 days ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
132
VIEWS

Symbolic integration gives wrong result. Is this a bug?

QUESTION FROM: Ralph Trenkler | 15 days ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , ...
1
REPLIES
197
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

How to further simplify and combine solution sets of trigonometric equations?

QUESTION FROM: Bill Blair | 2 months ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
359
VIEWS

How to obtain an answer of a partial differential equation from a symbolic computation using DSolve

QUESTION FROM: Nomsa Ledwaba | 3 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations
9
REPLIES
551
VIEWS

Algebraic verification: from separated quadratic form to coupled bilinear form

QUESTION FROM: Bill Blair | 3 months ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations
8
REPLIES
513
VIEWS

Quantum optics. How to analytically solve the equations below?

QUESTION FROM: Tree Clean | 3 months ago BY: Bruno Tenorio
Algebra , Equation Solving , Symbolic Computations , Wolfram Language
4
REPLIES
496
VIEWS

How to divide both sides of the equation by the leftmost constant coefficient?

QUESTION FROM: Bill Blair | 3 months ago BY: Gianluca Gorni
Mathematics , Symbolic Computations
3
REPLIES
433
VIEWS

All seven variables are real numbers. Is it possible to obtain an analytical solution?

QUESTION FROM: Wang Jiapeng | 3 months ago BY: EDITORIAL BOARD
Algebra , Equation Solving , Symbolic Computations , Wolfram Language
2
REPLIES
369
VIEWS

Closed-form integration of Slip ODE for anchored FRP–concrete joint with exponential Bond–Slip law

QUESTION FROM: Manish Prasad | 3 months ago BY: Manish Prasad
Calculus , Symbolic Computations
3
REPLIES
446
VIEWS

Finding general terms of a series

QUESTION FROM: Somveer Keshav | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
603
VIEWS

Other ways shift the terms containing x₀² and y₀² from the left-hand side of the equation

QUESTION FROM: Bill Blair | 3 months ago BY: Michael Rogers
Algebra , Symbolic Computations
3
REPLIES
512
VIEWS

Unexpected result from evaluating ArcTan

QUESTION FROM: Xiangyang Zhou | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
403
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
548
VIEWS

How to obtain such a result when solving the system of equations?

QUESTION FROM: Bill Blair | 3 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations
3
REPLIES
568
VIEWS

Why is it impossible to derive the general term formula for this difference equation?

QUESTION FROM: Bill Blair | 4 months ago BY: Bill Blair
Algebra , Equation Solving , Symbolic Computations
5
REPLIES
655
VIEWS

Getting access to all the roots by Solve

QUESTION FROM: Malcolm Slaney | 5 months ago BY: Malcolm Slaney
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
1.2K
VIEWS

FindMinimum yields different results in Mathematica 14 vs. 11.2

QUESTION FROM: Hirokazu Maruyama | 5 months ago
Optimization , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
582
VIEWS

How to remove the "if" part following the calculation result obtained from Solve?

QUESTION FROM: Wen Dao | 5 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
922
VIEWS

How to obtain the following equality relationship?

QUESTION FROM: Wen Dao | 6 months ago BY: Updating Name
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
917
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 do you register functional properties in Mathematica?

QUESTION FROM: Liam Nielson | 6 months ago
Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
588
VIEWS

Anticommuting spinor calculations

QUESTION FROM: Todd Rowland | 7 months ago BY: Mohammad Bahrami
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
1.5K
VIEWS

Separating variables *a* and *b* in a transcendental equation

QUESTION FROM: Wen Dao | 8 months ago BY: Wen Dao
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
1.6K
VIEWS

How to Use FullSimplify to breakdown algebraic expression

QUESTION FROM: James Parkus | 8 months ago BY: James Parkus
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
1.5K
VIEWS

Unexpected use of k$ notation in output of Reduce?

QUESTION FROM: Lucas Tubacki | 9 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.7K
VIEWS

How to get nontrivial solution of differential equation (Euler buckling load)?

QUESTION FROM: Ralph Schenn | 11 months ago BY: Ralph Schenn
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
2.6K
VIEWS

Multiplying very long mathematical expressions

QUESTION FROM: Nomsa Ledwaba | 11 months ago BY: Nomsa Ledwaba
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.7K
VIEWS

DSolve crashes on elementary differential equations

QUESTION FROM: Jean-Michel Charles Collard-Richard | 11 months ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
2.4K
VIEWS

DSolve not working for given system

QUESTION FROM: maxim knyazev | 11 months ago BY: David Keith
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
2.5K
VIEWS

Need explanation for FullSimplify result of mathematical expression

QUESTION FROM: Sasha Mandra | 11 months ago BY: Sasha Mandra
Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
1.6K
VIEWS

Any way to effectively resolve this integral?

QUESTION FROM: Leslaw Bieniasz | 0 months ago BY: Leslaw Bieniasz
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
2.3K
VIEWS

Finding pivots of a matrix with symbols

QUESTION FROM: Xiangyang Zhou | 0 months ago BY: Xiangyang Zhou
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
1.6K
VIEWS

Variable as an argument to Part

QUESTION FROM: Sasha Mandra | 0 months ago BY: Gianluca Gorni
Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
1.7K
VIEWS

Square root of the square of a complex number

QUESTION FROM: Sasha Mandra | 0 months ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
1.9K
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

Derivatives are not evaluated when substituted in differential equation

QUESTION FROM: Christer Gustafsson | 0 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.5K
VIEWS

Simplify x-x is not evaluated to zero

QUESTION FROM: Christer Gustafsson | 0 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.5K
VIEWS

What is the cause of the incorrect substitution?

QUESTION FROM: Sami Heidari | 1 year ago BY: Sami Heidari
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
1.4K
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

Solving a simple system of four equations gives no output

QUESTION FROM: Sasha Mandra | 1 year ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
1.9K
VIEWS

Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes’ theorem verification

QUESTION FROM: Antonio Physics_gang | 1 year ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
1.1K
VIEWS

FullSimplify again not realizing the simplest solution. (ICBM problem)

QUESTION FROM: Philip Blanco | 1 year ago BY: Michael Rogers
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
2.9K
VIEWS

Using indices to define the metric and Ricci tensor

QUESTION FROM: Safinaz Salem | 1 year ago
Algebra , Calculus , Mathematics , Symbolic Computations , ...
0
REPLIES
1.6K
VIEWS

Solving system of equations gives unmatched results

QUESTION FROM: Sami Heidari | 1 year ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.4K
VIEWS

DSolve and DirichletConditions in 2D

QUESTION FROM: Mike T | 1 year ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.1K
VIEWS

Applying the DSolveChangeVariables function

QUESTION FROM: Sinval Santos | 1 year ago
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
0
REPLIES
1.4K
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

Solving system of 7 equations doesn't finish

QUESTION FROM: Sami Heidari | 1 year ago BY: Sami Heidari
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
2.5K
VIEWS
1
2
3
4
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