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Equation Solving
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Symbolic and numerical equation solving and root finding, differential equations, recurrence and functional equations, systems of equations, linear systems, visualization of solutions...

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how do I find out how wolfram turned my trig equation into sqrt fractions?

QUESTION FROM: Kyle wright | 10 years ago BY: Kyle wright
Equation Solving , Physics , Wolfram Language
4
REPLIES
4.7K
VIEWS

Precision in NDSolve

QUESTION FROM: Francois Fayard | 10 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
10.3K
VIEWS

Function output used in Graphics[]....

QUESTION FROM: Tim Kirkpatrick | 10 years ago BY: Tim Kirkpatrick
Equation Solving , Graphics and Visualization , Mathematica , ...
5
REPLIES
8.9K
VIEWS

Why the heat equation doesn't work with NDSolve?

QUESTION FROM: Jo R | 10 years ago BY: Jo R
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
11
REPLIES
10.8K
VIEWS

How can i find the values of the variables ao,a1,a2,a3,a4,co other than 0.

QUESTION FROM: Muzahoo jee | 10 years ago BY: Muzahoo jee
Algebra , Equation Solving , Wolfram Language
5
REPLIES
8.7K
VIEWS

WhenEvent issue with vector valued diffeq

QUESTION FROM: David Keith | 11 years ago BY: David Keith
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
8.4K
VIEWS

Find higher order derivatives with DSolve

QUESTION FROM: Simon Tyran | 11 years ago BY: Simon Tyran
Calculus , Equation Solving , Mathematica , Mathematics
2
REPLIES
7.7K
VIEWS

Hyperbola equation

QUESTION FROM: Matthew Bennett | 11 years ago BY: Daniel Lichtblau
Equation Solving , Geometry , Wolfram Language
2
REPLIES
10.3K
VIEWS

Help with programming (finding roots)

QUESTION FROM: cleveland cav | 11 years ago BY: David Keith
Equation Solving , Optimization , Mathematics , Wolfram Language
2
REPLIES
6.6K
VIEWS

Conic Sections, quadratic Equations, X,Y and U,V axis

QUESTION FROM: Ethin Kiekhafer | 11 years ago BY: S M Blinder
Equation Solving , Mathematics
2
REPLIES
5.4K
VIEWS

PowerMod[a, 1/r, m] fails to compute certain solutions.

QUESTION FROM: Andrew Wang | 11 years ago BY: Daniel Lichtblau
Equation Solving , Mathematica , Wolfram Language
2
REPLIES
4K
VIEWS

The function x appears with no arguments.

QUESTION FROM: Vindarius Johnson | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Modeling
3
REPLIES
9K
VIEWS

Rootfinding

QUESTION FROM: Derek Tom | 11 years ago BY: David Reiss
Equation Solving
1
REPLIES
3.4K
VIEWS

How would you show this?

QUESTION FROM: Anonymous User | 11 years ago BY: David Reiss
Algebra , Equation Solving , Wolfram Language
4
REPLIES
2.7K
VIEWS

I can solve by myself, but I want use Mathematica software, can anyone help

QUESTION FROM: kevin kevin | 11 years ago BY: kevin kevin
Calculus , Equation Solving , Mathematica , Wolfram Language
2
REPLIES
5K
VIEWS

Setting global precision and decimals

QUESTION FROM: Anne-Claire Martines | 11 years ago BY: Anne-Claire Martines
Biological Sciences , Equation Solving , Mathematica , Modeling , ...
6
REPLIES
11.1K
VIEWS

DSolve does not solve this

QUESTION FROM: Casper YC | 11 years ago BY: Casper YC
Calculus , Equation Solving , Mathematica , Symbolic Computations
7
REPLIES
19.6K
VIEWS

How do you interpret this Solve output ?

QUESTION FROM: Ryan Gardner | 11 years ago BY: Bill Simpson
Algebra , Equation Solving , Physics , Wolfram Language
3
REPLIES
5.1K
VIEWS

How do I use a function as a constraint for NMinimize?

QUESTION FROM: Alon Ohev-Zion | 11 years ago BY: Alon Ohev-Zion
Algebra , Compilation , Engineering , Equation Solving , Mathematica
2
REPLIES
8.3K
VIEWS

Missing answers for the equation (n(n + 1)/2)(m(m + 1)/2) = x(x + 1)/2?

QUESTION FROM: Albert3105 of Mathematics | 11 years ago BY: Shenghui Yang
Algebra , Equation Solving , Wolfram|Alpha
1
REPLIES
7.6K
VIEWS

Why Mathematica Can't Solve this Simple Equation

QUESTION FROM: Faazel Farimani | 11 years ago BY: Faazel Farimani
Equation Solving , Mathematica , Mathematics , Wolfram Language
2
REPLIES
13.9K
VIEWS

9^(3x-2)- 7^(6x-4)

QUESTION FROM: Tomislav Wolfovitz | 11 years ago BY: Tomislav Wolfovitz
Equation Solving , Wolfram|Alpha
5
REPLIES
6.9K
VIEWS

How good is the trial version

QUESTION FROM: Sergio Cabral | 11 years ago BY: Sergio Cabral
Calculus , Equation Solving , Mathematica
12
REPLIES
8.4K
VIEWS

How to Speed Up Linear System of ODE

QUESTION FROM: selahittin cinar | 11 years ago BY: selahittin cinar
Algebra , Calculus , Equation Solving , Mathematica , ...
3
REPLIES
7.7K
VIEWS

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

QUESTION FROM: Usman Rauf | 11 years ago BY: Bill Simpson
Equation Solving , Mathematica , Numerical Computation , ...
3
REPLIES
5.7K
VIEWS

Analyze Markov chains when cardinality of state space is unknown?

QUESTION FROM: Az q | 11 years ago BY: Oleksandr Pavlyk
Equation Solving , Mathematica , Modeling , ...
1
REPLIES
14.9K
VIEWS

Equation Solving - Bug?

QUESTION FROM: Felix Feist | 11 years ago BY: Marco Thiel
Equation Solving , Mathematica , Tuning and Debugging , ...
3
REPLIES
5.7K
VIEWS

Elimination of small values in expression

QUESTION FROM: Konstantin Nosov | 11 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematica
3
REPLIES
5.5K
VIEWS

Linear algebra & Calculus& equation

QUESTION FROM: Ahmed Al-Ali | 11 years ago BY: Michael Rogers
Architecture , Calculus , Computable Document Format , Economics , ...
3
REPLIES
25.1K
VIEWS

Solving Multiple ODE's with NDSolve

QUESTION FROM: Josh Wofford | 11 years ago BY: Josh Wofford
Calculus , Equation Solving , Mathematics
9
REPLIES
20.2K
VIEWS

Has anyone seen a bug with NDSolve using both Floor and a transformation?

QUESTION FROM: Jamby Humbert | 11 years ago BY: Sean Clarke
Equation Solving , Mathematica , Modeling , Numerical Computation
1
REPLIES
8.5K
VIEWS

How can I manipulate variables in an NDSolve differential equation?

QUESTION FROM: Jamby Humbert | 11 years ago BY: Pat Mac
Equation Solving , Graphics and Visualization , Mathematica , Modeling
2
REPLIES
15.3K
VIEWS

Mathematica Problem for ODE's

QUESTION FROM: Aaron Aw | 11 years ago BY: Sean Clarke
Equation Solving , Mathematica
2
REPLIES
7.6K
VIEWS

Solving a system of non linear differential equation of 6 DOF

QUESTION FROM: shair mendoza | 12 years ago BY: Bill Simpson
Equation Solving , Wolfram Language
3
REPLIES
29.2K
VIEWS

Solve Nonlinear 2nd Order Partial Differential Equation Numerically?

QUESTION FROM: Chirag Agrawal | 12 years ago BY: Chirag Agrawal
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
16K
VIEWS

How do you substitute multiple equations into one expression?

QUESTION FROM: Veselin Dobrev | 12 years ago BY: David Keith
Equation Solving , Symbolic Computations , Wolfram Language
5
REPLIES
6.9K
VIEWS

Changing differential equation during NDSolve evaluation

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
8.6K
VIEWS

How to solve Wave Equation numerically?

QUESTION FROM: Matthias Redies | 12 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
9.7K
VIEWS

Solve numericizes after turning mathematica off and on again

QUESTION FROM: Luis Felipe Massena Misiec | 2 months ago BY: Luis Felipe Massena Misiec
Data Science , Equation Solving , Image Processing , Mathematics , ...
6
REPLIES
1.2K
VIEWS

Evaluate the validity of the inequalities under the given conditions

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

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

QUESTION FROM: Xu Xu | 6 months ago BY: Xu Xu
Algebra , Equation Solving , Mathematics , Physics , ...
8
REPLIES
2K
VIEWS

Help with rearranging the equation and solution Steps?

QUESTION FROM: Sami Heidari | 7 months ago BY: Sami Heidari
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1K
VIEWS

How does Wolfram deals with undefined list in equations?

QUESTION FROM: Ibtisam Ali | 7 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
1K
VIEWS

Issue with contour plot

QUESTION FROM: Debojyoti Mondal | 9 months ago BY: Gianluca Gorni
Equation Solving , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.3K
VIEWS

Considerations for numerically solving a set of differential equation

QUESTION FROM: Mishal Mohanlal | 11 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
1.5K
VIEWS

Convection diffusion equation solve in a rectangular domain

QUESTION FROM: Mohammad Yeasin | 11 months ago BY: Henrik Schachner
Algebra , Engineering , Equation Solving , ...
1
REPLIES
1.2K
VIEWS

Finding Upper Bounds on Complex Function Extrema

QUESTION FROM: Patrick DS. | 0 months ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations
3
REPLIES
1.3K
VIEWS

FindMaximum::nrnum: The function value is not a real number

QUESTION FROM: Shafa Hananta | 1 year ago BY: Yifa Tian
Equation Solving , Optimization , Mathematics , ...
2
REPLIES
1.8K
VIEWS

Solving equation on boundaries

QUESTION FROM: Mnele Wolfram | 1 year ago BY: Mnele Wolfram
Equation Solving , Material Sciences , Mathematics , Physics , ...
6
REPLIES
1.9K
VIEWS

Assigning a value to a parameter after solving an equation gives no answer?

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Denis Ivanov
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
2.4K
VIEWS

Soving equation and Plotting issue with multiple parameter

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.7K
VIEWS

Solving equation approximately

QUESTION FROM: Debojyoti Mondal | 1 year ago BY: Debojyoti Mondal
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.8K
VIEWS

Error using NDSolve

QUESTION FROM: J McDonald | 1 year ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
1.6K
VIEWS

Unexpected output of Eliminate Doc example in V14?

QUESTION FROM: Andrey Krutov | 1 year ago BY: Daniel Lichtblau
Algebra , Equation Solving , Symbolic Computations , Wolfram Language
4
REPLIES
2.2K
VIEWS

How to limit variables in Solve[ ]?

QUESTION FROM: Reinhard Müller | 1 year ago BY: Reinhard Müller
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
2.4K
VIEWS

DSolve has reached the maximum number of calculations

QUESTION FROM: James James | 1 year ago BY: James James
Calculus , Equation Solving , Graphics and Visualization , ...
7
REPLIES
3.1K
VIEWS

How to eliminate the divide by zero error in NDSolve by implicit methods on fixed grids?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
15
REPLIES
4.7K
VIEWS

Problem with using AllReplace at equation solutions

QUESTION FROM: P. Marrone | 1 year ago BY: Ankit Kantheti
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
3.7K
VIEWS

Error generating graph based on Reduce function result

QUESTION FROM: Tchun Jeeyoung | 1 year ago BY: Tchun Jeeyoung
Algebra , Equation Solving , Graphics and Visualization , ...
3
REPLIES
1.6K
VIEWS

Why I get obscure error messages in NDSolve?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Kuba Sunderland-Ober
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.7K
VIEWS

What is the best accuracy available, of PDE solving?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
1.9K
VIEWS

How to choose desired solvable variables in Solve

QUESTION FROM: Izhak Manilov | 1 year ago BY: Izhak Manilov
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.7K
VIEWS

Closed form Trascendental Equation

QUESTION FROM: Pino Savana | 1 year ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.8K
VIEWS

How to eliminate the error FindRoot::lstol?

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Algebra , Equation Solving , Graphics and Visualization , ...
2
REPLIES
2.6K
VIEWS

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

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
5
REPLIES
3.4K
VIEWS

Solving ODE: DSolve gives no output

QUESTION FROM: Safinaz Salem | 2 years ago BY: Safinaz Salem
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.1K
VIEWS

Assistance with Defining Assumptions for an Array of Symbolic Size

QUESTION FROM: Yuv M | 2 years ago BY: Yuv M
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
1.9K
VIEWS

Help solving an ODE?

QUESTION FROM: Pervin Ece | 2 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.8K
VIEWS

Are there other solutions for DSolve[{y'[x] == E^(2*x - y[x]), y[0] == 0}, y[x], x]?

QUESTION FROM: Zhenyu Zeng | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.1K
VIEWS

Electromagnetically Induced Transparency with five-level system

QUESTION FROM: Junnan Wang | 2 years ago
Equation Solving , Mathematics , Optics , Packages , Physics , ...
0
REPLIES
1.8K
VIEWS

Solving system of equations: long evaluation time with no results

QUESTION FROM: Saroj Dattatreya | 2 years ago BY: Saroj Dattatreya
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.2K
VIEWS

3D plot of coupled differential equation

QUESTION FROM: Shivi Sv | 2 years ago BY: Shivi Sv
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
2.7K
VIEWS

Using Solve function with summation

QUESTION FROM: Thomas Weichhart | 2 years ago BY: Thomas Weichhart
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.1K
VIEWS

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

QUESTION FROM: Cesar Cardenas Ruiz | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.9K
VIEWS

Symbolic computation using "Reduce" does not give a result

QUESTION FROM: Lingfei Li | 2 years ago BY: Lingfei Li
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.8K
VIEWS

System of equation involving matrices

QUESTION FROM: Ahmad Rufa'i | 2 years ago BY: Ahmad Rufa'i
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.2K
VIEWS

Full plot of the general solution of an equation

QUESTION FROM: Dia Ghosh | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
3
REPLIES
2.8K
VIEWS

Finding the constants of the coupled differential equation

QUESTION FROM: Anand Mathew | 2 years ago BY: Anand Mathew
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
2.7K
VIEWS

How to calculate steady solution of nonlinear differential equation with forced oscillation?

QUESTION FROM: Aki Hiro | 2 years ago BY: Daniel Lichtblau
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
2.8K
VIEWS

Solving system of equations in six unknowns: incomplete solution

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

Plot Poincare Section of a given Hamiltonian

QUESTION FROM: George Scotton | 2 years ago BY: Ramón Eduardo Chan López
Equation Solving , Mathematica , Physics , Wolfram Language
1
REPLIES
7.6K
VIEWS

Difficulty to create the 3D plot of the Linear Schrödinger equation

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
3K
VIEWS

Not valid input error in Wolfram Alpha?

QUESTION FROM: Aníbal Barca | 2 years ago BY: Aníbal Barca
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
3.7K
VIEWS

Solve differential equation system for HIV treatment model?

QUESTION FROM: wahyu suryaningrat | 2 years ago BY: Eric Brown
Biological Sciences , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
5.8K
VIEWS

ParametricNDSolve not working with my system

QUESTION FROM: Emil Rosanowski | 2 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.3K
VIEWS

Empty plot in Manipulate applied at ParametricPlot?

QUESTION FROM: Jonathan Baker | 2 years ago BY: Jonathan Baker
Calculus , Dynamic Interactivity , Equation Solving , ...
2
REPLIES
2.8K
VIEWS

Analytical and numerical solution of the normalized heat equation problem

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago
Calculus , Dynamic Interactivity , Equation Solving , ...
0
REPLIES
1.4K
VIEWS

Solving Generalized Heat Equation by separation of variables

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago BY: Athanasios Paraskevopoulos
Calculus , Equation Solving , Graphics and Visualization , ...
8
REPLIES
3.2K
VIEWS

Difficulty to solve PDE with NDEigensystem command

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago BY: Roland Franzius
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.6K
VIEWS

Is there a package in Mathematica about solving fractional order diff.eqns?

QUESTION FROM: Hamza El Mahjour | 2 years ago BY: Hamza El Mahjour
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
8.7K
VIEWS

How to Solve general equation using Mathematica?

QUESTION FROM: Manish Jain | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.6K
VIEWS

Caputo-Hadamard fractional derivatine nonlinear equation system

QUESTION FROM: Ayşen Kütahyalıoğlu | 2 years ago BY: Özkan Taşkıran
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
2K
VIEWS

Nonuniform circular motion

QUESTION FROM: Peter Burbery | 2 years ago
Equation Solving , Geometry , Graphics and Visualization , ...
0
REPLIES
1.7K
VIEWS

Unexpected solution from Solve?

QUESTION FROM: Jason L | 3 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.2K
VIEWS

Issues with "use Reduce for complete solutions"

QUESTION FROM: Kat Lee | 3 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
2.1K
VIEWS

Solving mean field nonlinear equations uisng Findroot

QUESTION FROM: Tiku Sharma | 3 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
6
REPLIES
2.7K
VIEWS

How to use NDsolve properly for a system of 2 equations and 2 variables

QUESTION FROM: Isaac Keith | 3 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.2K
VIEWS

Initial conditions of PDE is being ignored?

QUESTION FROM: Bryan Foo | 3 years ago BY: xzczd 　
Calculus , Equation Solving , Graphics and Visualization , ...
9
REPLIES
6K
VIEWS

Search for maximum of user defined function

QUESTION FROM: Emily O | 3 years ago BY: Emily O
Equation Solving , Optimization , Mathematics , ...
3
REPLIES
3.1K
VIEWS

Creating Conway's circle fails?

QUESTION FROM: serene H | 3 years ago BY: Rohit Namjoshi
Equation Solving , Geometry , Graphics and Visualization , ...
1
REPLIES
2.2K
VIEWS
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