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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

Parameter estimation for nonlinear difference equation

QUESTION FROM: Craig Randall | 9 years ago BY: Craig Randall
Discrete Mathematics , Engineering , Equation Solving , ...
10
REPLIES
7.9K
VIEWS

Second order system with different time scales

QUESTION FROM: Luciano Chaves | 10 years ago BY: Kay Herbert
Calculus , Equation Solving , Numerical Computation , Wolfram Language
10
REPLIES
9.4K
VIEWS

Why the Reduce command does not completely solve the inequality?

QUESTION FROM: Camilo Ramirez | 11 years ago BY: Jake Jenson
Equation Solving , Mathematica , Mathematics , Wolfram Language
10
REPLIES
11.5K
VIEWS

DSolve fails to solve a very simple boundary value problem

QUESTION FROM: Konstantin Nosov | 11 years ago BY: Konstantin Nosov
Calculus , Equation Solving , Mathematica
10
REPLIES
11.5K
VIEWS

Heat Transfer Problem

QUESTION FROM: Jon T | 12 years ago BY: Jon T
Calculus , Engineering , Equation Solving , Mathematica , ...
10
REPLIES
25.7K
VIEWS

Solve the Extended Generalized Bivariate Meijer G Function (EGBMGF)?

QUESTION FROM: Marko Smilic | 22 days ago BY: Mariusz Iwaniuk
Engineering , Equation Solving , Mathematics , ...
9
REPLIES
14K
VIEWS

Equations cannot be solved by Wolfram Alpha

QUESTION FROM: La Lu | 6 months ago BY: Marvin Ray Burns A.G.S. (cum laude)
Equation Solving , Mathematics , Wolfram|Alpha
9
REPLIES
2.7K
VIEWS

Which parameters of NDSolve to change to get a more accurate PDE solution?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
3.8K
VIEWS

Solve error: not quantified system

QUESTION FROM: Cornel B. | 2 years ago BY: Cornel B.
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
3.7K
VIEWS

Solving an equation that involves truncated series

QUESTION FROM: Davide Alfano | 3 years ago BY: Davide Alfano
Algebra , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
3.1K
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
5.9K
VIEWS

DSolve & Wolfram|Alpha miss ODE solution?

QUESTION FROM: VolMike VolMike | 3 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram|Alpha , ...
9
REPLIES
7.3K
VIEWS

A problem of FindRoot with BSplineFunction

QUESTION FROM: Jianhua Yang | 3 years ago BY: Alexey Popkov
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
6.6K
VIEWS

No solution for solving equation in W|A?

QUESTION FROM: R R | 5 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Wolfram|Alpha , Wolfram Language
9
REPLIES
8.1K
VIEWS

Solve two simultaneous differential equations using W|A?

QUESTION FROM: Ernst Hoinkis | 5 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , Wolfram|Alpha
9
REPLIES
7K
VIEWS

How to solve this equation?

QUESTION FROM: Jacques Ou | 5 years ago BY: Jacques Ou
Calculus , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
5.6K
VIEWS

Step-by-step solution doesn't address two solutions given by Reduce command

QUESTION FROM: Michael Meagher | 6 years ago BY: Michael Meagher
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
9
REPLIES
10.1K
VIEWS

[?] Solve problem with Sum function?

QUESTION FROM: Matthew Nakeel | 6 years ago BY: Matthew Nakeel
Calculus , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
5.5K
VIEWS

Solve a system of 7 nonlinear equations with 7 variables?

QUESTION FROM: Jake Chen | 6 years ago BY: Jake Chen
Calculus , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
8.5K
VIEWS

Generate a table from Solve or NSolve and plot it?

QUESTION FROM: Hong-Yee Chiu | 6 years ago BY: Ruth Davidson
Equation Solving , Mathematics , Wolfram Language
9
REPLIES
11.2K
VIEWS

Solve an equation with angle of 2 transfer functions to get the capacitor?

QUESTION FROM: Leo Baumann | 7 years ago BY: Leo Baumann
Algebra , Engineering , Equation Solving , Mathematics , ...
9
REPLIES
9.2K
VIEWS

Solve a coupled second order differential equations of two variables?

QUESTION FROM: Shivi Sv | 7 years ago BY: Shivi Sv
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
10.4K
VIEWS

Solve ODE system with BVP?

QUESTION FROM: Aaeru Michi | 7 years ago BY: Aaeru Michi
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
5.5K
VIEWS

Avoid backticks on the right of matrix elements?

QUESTION FROM: Paolo Galfano | 7 years ago BY: Paolo Galfano
Algebra , Calculus , Equation Solving , Mathematics , ...
9
REPLIES
8.5K
VIEWS

Solve trigonometric equation system?

QUESTION FROM: Enrico Catanzani | 7 years ago BY: Enrico Catanzani
Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
4.5K
VIEWS

Does NDSolve have an upper limit requirement of the number of equations?

QUESTION FROM: Lammond Wan | 7 years ago BY: Michael Rogers
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
6.4K
VIEWS

[?] Decouple the differential equations by using Dsolve?

QUESTION FROM: Mirza Farrukh Baig | 7 years ago BY: Mirza Farrukh Baig
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.5K
VIEWS

[?] Solve two non-linear equations?

QUESTION FROM: Sotiris Tsat | 8 years ago BY: Bill Simpson
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.3K
VIEWS

Use Solve with a condition of a limit x is much less than D?

QUESTION FROM: Adam Szewczyk | 8 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
318K
VIEWS

[?] Solve and Plot a 2D heat conduction problem (laser heating)?

QUESTION FROM: Xing Zhang | 8 years ago BY: Xing Zhang
Engineering , Equation Solving , Graphics and Visualization , ...
9
REPLIES
10.3K
VIEWS

Solve this equation?

QUESTION FROM: Anonymous User | 8 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
4.5K
VIEWS

Compute accurately Exp[x^2]*Erfc[x] in a wide range of x?

QUESTION FROM: Leslaw Bieniasz | 8 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.4K
VIEWS

Solve Redox equation with inexact coefficients, Solve[Log10[f(x)]]?

QUESTION FROM: Jonas N. | 9 years ago BY: Jonas N.
Algebra , Chemistry , Equation Solving , Mathematics , ...
9
REPLIES
12.7K
VIEWS

Solve an optimal control problem with the Wolfram Language?

QUESTION FROM: Iuval Clejan | 9 years ago BY: Valeriu Ungureanu
Control Systems , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
13.4K
VIEWS

Find a list of combinations of x, y and z that would produce 1.30000 in eq?

QUESTION FROM: Albert Shim | 9 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Wolfram Language
9
REPLIES
7K
VIEWS

Error in NonlinearModelFit with a trig function

QUESTION FROM: syed islam | 9 years ago BY: syed islam
Equation Solving , Optimization , Modeling , Numerical Computation , ...
9
REPLIES
8.1K
VIEWS

Zero crossings and zero almost-crossings

QUESTION FROM: Art Haan | 10 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica , Wolfram Language
9
REPLIES
12K
VIEWS

Manipulate not working with Findroot in cdf

QUESTION FROM: Kaushik Mallick | 10 years ago BY: Kaushik Mallick
Computable Document Format , Engineering , Equation Solving , ...
9
REPLIES
10.7K
VIEWS

Annuity with irregular payments

QUESTION FROM: Tim Heger | 10 years ago BY: Udo Krause
Economics , Equation Solving , Finance , Wolfram Language
9
REPLIES
18.3K
VIEWS

How to write equations in wolfram?

QUESTION FROM: Alon Vasago | 11 years ago BY: Tigran Aivazian
Algebra , Equation Solving , Mathematica , Optimization , ...
9
REPLIES
13.5K
VIEWS

can't solve this differential equation

QUESTION FROM: Ali H | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica , Wolfram Language
9
REPLIES
7.8K
VIEWS

Problems using InverseFunction

QUESTION FROM: Kaushik Kandakatla | 11 years ago BY: Kaushik Kandakatla
Algebra , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
6.2K
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

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

QUESTION FROM: Ralph Schenn | 5 months ago BY: Ralph Schenn
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1.6K
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
1.9K
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

What is the reason of insufficient memory error while using FindRoot?

QUESTION FROM: Leslaw Bieniasz | 11 months ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
1.9K
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
3.6K
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
3.1K
VIEWS

Improved Eulers Method Problem

QUESTION FROM: Athanasios Paraskevopoulos | 2 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Mathematica , Mathematics , ...
8
REPLIES
5.4K
VIEWS
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