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

QUESTION FROM: Ahmad AlMamo | 10 days ago
Algebra , Equation Solving , Mathematics , Modeling , ...
0
REPLIES
122
VIEWS

Is this system of equations unsolvable?

QUESTION FROM: Wang Jiapeng | 10 days ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
144
VIEWS

Symbolic integration gives wrong result. Is this a bug?

QUESTION FROM: Ralph Trenkler | 17 days ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , ...
1
REPLIES
210
VIEWS

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

QUESTION FROM: Bharath Krishnan | 18 days ago BY: Michael Rogers
Logic and Boolean Algebra , Mathematics , Symbolic Computations , ...
1
REPLIES
181
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
368
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
382
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
442
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
527
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
502
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
560
VIEWS

Finding general terms of a series

QUESTION FROM: Somveer Keshav | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
631
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
517
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
453
VIEWS

Unexpected result from evaluating ArcTan

QUESTION FROM: Xiangyang Zhou | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
406
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
571
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

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
663
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
583
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
928
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
929
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
592
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

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

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

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
1.7K
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
1.8K
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

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

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

Simplify x-x is not evaluated to zero

QUESTION FROM: Christer Gustafsson | 1 year 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
1.6K
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

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

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

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

Foriegn variable names in the outputs of computing a Lie bracket commutation

QUESTION FROM: Nomsa Ledwaba | 1 year ago
Algebra , Mathematics , Physics , Symbolic Computations , ...
0
REPLIES
1.9K
VIEWS

Error in solving equations, please correct if you can

QUESTION FROM: Sami Heidari | 1 year ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
2.3K
VIEWS

Rapid expansion and collection of large expressions

QUESTION FROM: Maciej Kozyra | 1 year ago
High-Performance Computing , Mathematics , Symbolic Computations , ...
0
REPLIES
1.6K
VIEWS

how to get coefficient list from a polynomial with positive and negative powers?

QUESTION FROM: Sami Heidari | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.4K
VIEWS

Unexpected output from DSolve

QUESTION FROM: Sami Heidari | 2 years ago BY: Sami Heidari
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
1.8K
VIEWS

Transforming CoefficitenList[] output into set of equations to use in Solve[]

QUESTION FROM: Guido Nierhauve | 2 years ago BY: Sotiris Michos
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.7K
VIEWS

Cannot simplify the sum of logarithms

QUESTION FROM: Gennaro Flowers | 2 years ago BY: Gennaro Flowers
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
1.8K
VIEWS

How can get two solution of the ODE with degree two ?

QUESTION FROM: Salim Mahmood | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Physics , ...
3
REPLIES
1.6K
VIEWS

Analytical solution of a system of linear ODEs

QUESTION FROM: Tapas Ray Mahapatra | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.6K
VIEWS

[Solved] Trying to solve polynomial system

QUESTION FROM: Ali Hammoud | 2 years ago BY: Ali Hammoud
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
2.6K
VIEWS

How to get a simple system of recursion equations to give output?

QUESTION FROM: Iuval Clejan | 2 years ago BY: Iuval Clejan
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.7K
VIEWS

Forcing Solve to give real-valued root

QUESTION FROM: Paul R | 2 years ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations , Wolfram Language
10
REPLIES
2.4K
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

Conjugate[] isn't working for me

QUESTION FROM: Christopher Rygaard | 2 years ago BY: Christopher Rygaard
Mathematics , Symbolic Computations , Wolfram Language
3
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

Unexpected result from DSolve? (Version dependence)

QUESTION FROM: Isao Maruyama | 2 years ago BY: Isao Maruyama
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
2.6K
VIEWS

Help with definite integral solved analytically

QUESTION FROM: Anuj Malik | 2 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
3.2K
VIEWS

MatrixSymbol simplifications

QUESTION FROM: Eric Michielssen | 2 years ago BY: Jose Martin-Garcia
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
3.4K
VIEWS

Help solving a cubic equation with a parameter

QUESTION FROM: Jackie cao | 2 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.6K
VIEWS

Simplifying multiple inequalities

QUESTION FROM: Sasha Mandra | 2 years ago BY: Updating Name
Mathematics , Symbolic Computations , Wolfram Language
15
REPLIES
4K
VIEWS

How do I calculate the conjugation for the whole expression?

QUESTION FROM: A J | 2 years ago BY: A J
Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.7K
VIEWS

Using symbolic calculation result to evaluate real expression

QUESTION FROM: Thomas Fowler | 2 years ago BY: Thomas Fowler
Calculus , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
2.5K
VIEWS

Joule Thomson expansion of black hole

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Ronald Riegert
Equation Solving , Graphics and Visualization , Mathematics , ...
5
REPLIES
3.3K
VIEWS

Plotting an expression where one of the parameters is satisfying a different equation

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
7
REPLIES
4.1K
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

How can Mathematica be made to express Arg[x+Iy] in terms of ArcTan[f(x,y)] with a function f ?

QUESTION FROM: Ulrich Mutze | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
3.3K
VIEWS

Find the function for a decision variable

QUESTION FROM: Shafa Hananta | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Optimization , Operations Research , ...
2
REPLIES
2.6K
VIEWS

Analytical Solution of a linear system of equations in 8 unknowns

QUESTION FROM: Juan Gustavo Wouchuk Schmidt | 2 years ago BY: Juan Gustavo Wouchuk Schmidt
Equation Solving , Mathematics , Symbolic Computations , ...
10
REPLIES
3.1K
VIEWS

Sum and Product a feature request

QUESTION FROM: Robert Nowak | 2 years ago BY: Robert Nowak
Algebra , Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
2.9K
VIEWS

How to find a function for decision variable

QUESTION FROM: Shafa Hananta | 2 years ago
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
1.6K
VIEWS

Solving nonlinear equation with integrals and beta functions

QUESTION FROM: Muhammad Fahem Bin Musa | 2 years ago BY: Bill Nelson
Algebra , Calculus , Equation Solving , Mathematics , ...
6
REPLIES
2.4K
VIEWS

Validating analytical solution of an equation

QUESTION FROM: Debojyoti Mondal | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.8K
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

Solve with Integrate wouldn't produce correct answers

QUESTION FROM: Zhenyu Zeng | 2 years ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
4.2K
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

Can't get the particular solution from the general and the complementary

QUESTION FROM: P. Marrone | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.5K
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

DSolve not giving me an answer

QUESTION FROM: Henric Larsson | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
4K
VIEWS

Using the Solve[] function with the total differential function Dt[]

QUESTION FROM: Mitchell Sandlin | 2 years ago BY: Michael Rogers
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
2.9K
VIEWS

Getting Wrong Numbers in Output for a Quantum Mechanics problem

QUESTION FROM: خالد رافع | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
2.1K
VIEWS

Error solving initial value problem

QUESTION FROM: Anna Ruffley | 2 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
3.2K
VIEWS

DSolve ignoring linear solutions

QUESTION FROM: Martin Castillo | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
2.4K
VIEWS

Can we do fully symbolic matrix calculus in Wolfram Mathematica?

QUESTION FROM: Hashir Omer | 2 years ago BY: Frank Iannarilli
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
4.5K
VIEWS

How to check expressions for symbolic equality? (some unexpected results)

QUESTION FROM: W T | 2 years ago BY: W T
Mathematics , Symbolic Computations , Wolfram Language
14
REPLIES
6.3K
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

Solve four simultaneous equations?

QUESTION FROM: richard young | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.3K
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
1
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