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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...

Discussions List Discussions List

Is it possible to impose a variable to vanish in NDSolve ?

QUESTION FROM: Thibaut Arnoulx de Pirey | 10 years ago BY: Hans Dolhaine
Equation Solving , Numerical Computation , Physics , Wolfram Language
1
REPLIES
4.1K
VIEWS

Looking for help to solve an error in a FindRoot

QUESTION FROM: Sahar Benalem | 10 years ago BY: Sahar Benalem
Equation Solving , Mathematics , Wolfram Language
6
REPLIES
4.5K
VIEWS

Split an expression according to parameter type

QUESTION FROM: Martin P | 10 years ago BY: Till Luc Lange
Control Systems , Equation Solving , Wolfram Language
1
REPLIES
8.3K
VIEWS

Alternatives to NSolve when equation is complicated

QUESTION FROM: Marion Dumas | 10 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
5.6K
VIEWS

Solving relations between statistics

QUESTION FROM: Albert Mijburgh | 10 years ago BY: Albert Mijburgh
Equation Solving , Wolfram Language
2
REPLIES
3K
VIEWS

Function fit / equation solving for given values

QUESTION FROM: Joshua Thomas | 10 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3K
VIEWS

How to plot multiple equilibria?

QUESTION FROM: Juan Lopez | 10 years ago BY: Gianluca Gorni
Economics , Equation Solving , Graphics and Visualization , ...
1
REPLIES
6.9K
VIEWS

How to get inverse Fourier transform?

QUESTION FROM: Sakshi Devi | 10 years ago BY: Sakshi Devi
Equation Solving , Mathematics , Wavelets and Fourier Series , ...
3
REPLIES
9.6K
VIEWS

Graph a dual variable function?

QUESTION FROM: Luther Nayhm | 10 years ago BY: Otto Linsuain
Equation Solving , Graphics and Visualization , Mathematics , ...
6
REPLIES
9K
VIEWS

Implicit Definition of a Cube -vs- built in Cuboid function

QUESTION FROM: Michael Person | 10 years ago BY: Michael Person
Equation Solving , Geometry , Graphics and Visualization , ...
5
REPLIES
7.6K
VIEWS

Plot a vector field for differential equation?

QUESTION FROM: Muhammad Afzal | 10 years ago BY: Muhammad Afzal
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
7.5K
VIEWS

Solving differential equations

QUESTION FROM: Zhehao Zhang | 10 years ago BY: Zhehao Zhang
Calculus , Equation Solving , Wolfram Language
6
REPLIES
4.5K
VIEWS

Implementing a boundary condition that is dependent on the solution

QUESTION FROM: Josh DeMuth | 10 years ago
Equation Solving , Mathematics , Physics , Wolfram Language
0
REPLIES
1.8K
VIEWS

Root finding problem. FindRoot[] output message is "Singular Jacobian".

QUESTION FROM: Maha Youssef | 10 years ago BY: Frank Kampas
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
7.9K
VIEWS

Partial differential equation (Diffusion equation in spherical coordinates)

QUESTION FROM: Dodji Cohovi | 10 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
7.8K
VIEWS

NDSolve giving an error

QUESTION FROM: François Lepetit | 10 years ago BY: François Lepetit
Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
5.2K
VIEWS

NDSolve PDE with particular variables dependence

QUESTION FROM: andrea n | 10 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.6K
VIEWS

Parametric plot for NDSolve output

QUESTION FROM: Steve Bardwell | 10 years ago BY: Steve Bardwell
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
4.8K
VIEWS

Problem adding equations to NDSolve group

QUESTION FROM: Josh Wofford | 10 years ago BY: Bill Simpson
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
5.5K
VIEWS

Could you solve this system of equations, please?

QUESTION FROM: Jan Redwi?ski | 10 years ago BY: Sean Clarke
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.5K
VIEWS

Help using WhenEvent with NDSolve to avoid complex solutions

QUESTION FROM: Anonymous User | 10 years ago BY: Anonymous User
Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
5.7K
VIEWS

Solve equation with First and Second type of Elliptical Integral?

QUESTION FROM: studygroups 2000 | 10 years ago BY: studygroups 2000
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
8.7K
VIEWS

Showing steps in simplification?

QUESTION FROM: Nico Adamo | 10 years ago BY: Sean Clarke
Algebra , Equation Solving , Mathematics , ...
1
REPLIES
19.9K
VIEWS

How do I use NDSolve in Manipulate?

QUESTION FROM: Tim Kirkpatrick | 10 years ago BY: Tim Kirkpatrick
Dynamic Interactivity , Equation Solving , Mathematics , ...
2
REPLIES
7.8K
VIEWS

Problems solving a Partial differential equation using DSolve or NDSolve

QUESTION FROM: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 10 years ago BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.8K
VIEWS

NDSolve Problem for Solving Nonlinear Sytem of 3 Ball Chain "Hertz Model"

QUESTION FROM: Anonymous User | 10 years ago BY: Anonymous User
Equation Solving , Mathematics , Mechanical Engineering , ...
4
REPLIES
9.8K
VIEWS

How does one plot a PDE using the Wolfram Language?

QUESTION FROM: Ben Harris | 10 years ago BY: Murray Eisenberg
Equation Solving , Mathematics , Wavelets and Fourier Series , ...
3
REPLIES
9.2K
VIEWS

p > 0 breaks this equation: a^((p-1)/2) mod p = -1 in Wolfram|Alpha

QUESTION FROM: L J | 10 years ago BY: Murray Eisenberg
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
1
REPLIES
4.8K
VIEWS

Unable to Solve a System of Linear Equations with Wolfram|Alpha

QUESTION FROM: Karthik Prakhya | 10 years ago BY: Jofre Espigule-Pons
Algebra , Equation Solving , Wolfram|Alpha , Wolfram Language
1
REPLIES
6.1K
VIEWS

2D PDE ( Navier-Stokes equations ) flow in a pipe ( cylindrical coordinate)

QUESTION FROM: Filippo Cangioli | 10 years ago
Discrete Mathematics , Engineering , Equation Solving , Mathematics , ...
0
REPLIES
5.6K
VIEWS

How to solve/input this PDE's problem on MATHEMATICA

QUESTION FROM: Pamela Vilela | 10 years ago
Calculus , Equation Solving , Mathematica , Mathematics , ...
0
REPLIES
7.2K
VIEWS

NDSolve and difference of delays argument for heaviside function?

QUESTION FROM: Zahava Wilstein | 10 years ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
3.6K
VIEWS

How can I plot a second order partial differential equation?

QUESTION FROM: Pamela Vilela | 10 years ago BY: Pamela Vilela
Equation Solving , Wolfram|Alpha , Wolfram Language
5
REPLIES
10.3K
VIEWS

A problem with using NDsolve, please help.

QUESTION FROM: Gil Bor | 10 years ago BY: Gil Bor
Equation Solving , Mathematics , Wolfram Language
7
REPLIES
10K
VIEWS

Recursion without starting values

QUESTION FROM: Harry Potter | 10 years ago BY: Harry Potter
Equation Solving , Mathematics , Wolfram Language
3
REPLIES
4.4K
VIEWS

How to use solve correctly with this partial differential equation?

QUESTION FROM: sanaz ka | 10 years ago BY: Gianluca Gorni
Equation Solving , Wolfram Language
1
REPLIES
3.3K
VIEWS

How to Invert functions with same input variables?

QUESTION FROM: Ajay Goyal | 10 years ago BY: Gianluca Gorni
Algebra , Data Science , Economics , Education , Engineering , ...
1
REPLIES
9.1K
VIEWS

Error: No more memory. Wolfram kernal has shut down. Try again later.

QUESTION FROM: Kavita Kukreja | 10 years ago BY: Bill Simpson
Equation Solving , Mathematica
1
REPLIES
3.6K
VIEWS

How to solve numerically an equation when NSolve is not appropriate?

QUESTION FROM: Marcel Pelletier | 10 years ago BY: Marcel Pelletier
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.8K
VIEWS

How do I assign via /. and have a function as an output?

QUESTION FROM: Simon B. | 10 years ago
Equation Solving , Mathematica , Wolfram Language
0
REPLIES
1.6K
VIEWS

System of non-linear differential equations

QUESTION FROM: andrea g. | 10 years ago BY: Murray Eisenberg
Equation Solving , Mechanical Engineering , Wolfram Language
1
REPLIES
8.9K
VIEWS

How to write NDSolve results into a table without brackets?

QUESTION FROM: Chris Smith | 10 years ago BY: Bill Simpson
Equation Solving , Import and Export , Wolfram Language
3
REPLIES
11.8K
VIEWS

Why does Solve work on a sum with 34 terms but not 35 terms?

QUESTION FROM: Michael H. | 10 years ago BY: Michael H.
Computer Science , Data Science , Engineering , Equation Solving , ...
2
REPLIES
10.9K
VIEWS

Schrodinger Equation by Shooting Method

QUESTION FROM: Sara Zamharir | 10 years ago BY: Frank Kampas
Equation Solving , Physics , Wolfram Language
6
REPLIES
7.7K
VIEWS

How to use Solve correctly?

QUESTION FROM: john massucci | 10 years ago BY: Bill Simpson
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.4K
VIEWS

Error in NonlinearModelFit with a trig function

QUESTION FROM: syed islam | 10 years ago BY: syed islam
Equation Solving , Optimization , Modeling , Numerical Computation , ...
9
REPLIES
8.6K
VIEWS

Question about numerical integration

QUESTION FROM: Kat Z | 10 years ago BY: Sander Huisman
Calculus , Challenges , Engineering , Equation Solving , ...
1
REPLIES
9K
VIEWS

Solve system of linear Diophantine equations with conditions

QUESTION FROM: Juan Frias | 10 years ago BY: Frank Kampas
Equation Solving , Mathematica , Mathematics
7
REPLIES
11.7K
VIEWS

Need help! : Integrating the function to be solved

QUESTION FROM: hwoarang Polar | 10 years ago BY: hwoarang Polar
Equation Solving , Wolfram Language
6
REPLIES
5.9K
VIEWS

Shooting method to solve nonlinear ode bvp

QUESTION FROM: faisal basir | 11 years ago BY: faisal basir
Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
5.6K
VIEWS
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