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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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Solving a system of differential equations

QUESTION FROM: JK P | 11 years ago BY: JK P
Calculus , Equation Solving , Mathematica , Wolfram Language
2
REPLIES
2.7K
VIEWS

How to solve this differential equation?

QUESTION FROM: suvadip mandal | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
1
REPLIES
4.7K
VIEWS

Solving the Laplace equation with only Neumann boundary conditions

QUESTION FROM: Jens Rix | 11 years ago BY: Jens Rix
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
3
REPLIES
12.2K
VIEWS

Why two solutions to this simple ODE?

QUESTION FROM: Jean-Michel Charles Collard-Richard | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Wolfram Language
6
REPLIES
7.8K
VIEWS

How to solve the TOV equation?

QUESTION FROM: Lingxiao Wang | 11 years ago BY: Lingxiao Wang
Astronomy , Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
12K
VIEWS

how to write an NRSolve function ?

QUESTION FROM: Terry Heidelberg | 11 years ago BY: Roger Germundsson
Discrete Mathematics , Economics , Equation Solving , Mathematica , ...
2
REPLIES
10.6K
VIEWS

How to get the roots of an equation

QUESTION FROM: Sergio Cabral | 11 years ago BY: Sergio Cabral
Equation Solving , Wolfram Language
5
REPLIES
6.3K
VIEWS

How do I repeat/loop multiple functions that are related?

QUESTION FROM: Thai Kee Gan | 11 years ago BY: Thai Kee Gan
Calculus , Equation Solving , Mathematica , Optimization , ...
12
REPLIES
32.7K
VIEWS

trascendental equations in Mathematica

QUESTION FROM: Luca D. | 11 years ago BY: Jim Baldwin
Algebra , Equation Solving , Wolfram Language
22
REPLIES
10K
VIEWS

Estimating parameters based on lists of boundary conditions

QUESTION FROM: Julian Lovlie | 11 years ago BY: Jim Baldwin
Equation Solving , Mathematica , Optimization , Mathematics , ...
1
REPLIES
8.8K
VIEWS

How to solve a complex ODE system on mathematica?

QUESTION FROM: MARCO CHIARAMELLO | 11 years ago BY: MARCO CHIARAMELLO
Calculus , Equation Solving , Mathematica , Wolfram Language
2
REPLIES
4.3K
VIEWS

Zero crossings and zero almost-crossings

QUESTION FROM: Art Haan | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica , Wolfram Language
9
REPLIES
12.8K
VIEWS

Simple taylor expansion of symbolic variables

QUESTION FROM: Jungyeoul Maeng | 11 years ago BY: S M Blinder
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
4.2K
VIEWS

Shooting method and matching the two expansions

QUESTION FROM: Xu Xu | 11 years ago BY: Xu Xu
Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
6.1K
VIEWS

ERROR: singularity or stiff system suspected (DAE)

QUESTION FROM: Shivi Sv | 11 years ago
Calculus , Equation Solving , Wolfram Language
0
REPLIES
5.9K
VIEWS

How can I end NDsolve when the function reaches a threshold value ?

QUESTION FROM: Angad Yuvraj | 11 years ago BY: Kevin McCann
Calculus , Equation Solving , Physics , Wolfram Language
2
REPLIES
10.4K
VIEWS

Manipulate not working with Findroot in cdf

QUESTION FROM: Kaushik Mallick | 11 years ago BY: Kaushik Mallick
Computable Document Format , Engineering , Equation Solving , ...
9
REPLIES
11.2K
VIEWS

How can I solve a delay partial differential equation?

QUESTION FROM: Austin Burt | 11 years ago
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
0
REPLIES
2.6K
VIEWS

How do I balance an equation using WolframAlpha?

QUESTION FROM: Dylan Waters | 11 years ago BY: Sean Clarke
Algebra , Equation Solving , Units
1
REPLIES
6.2K
VIEWS

Reaching an error of 1/0 when trying to evaluate an expression

QUESTION FROM: Andrew Ross | 11 years ago BY: Sean Clarke
Calculus , Equation Solving , Numerical Computation , Wolfram Language
6
REPLIES
12.6K
VIEWS

Error with Solve[] and floating-point coefficients

QUESTION FROM: Giovanni Ferdina | 11 years ago BY: Giovanni Ferdina
Algebra , Equation Solving , Wolfram Language
4
REPLIES
7.4K
VIEWS

Manipulate[ FindRoot[..] ... ]

QUESTION FROM: Harvey Vargas | 11 years ago BY: Harvey Vargas
Calculus , Dynamic Interactivity , Equation Solving , Mathematica , ...
7
REPLIES
15.9K
VIEWS

How to solve a higher order partial differential equation with boundaries

QUESTION FROM: ihsan faseel | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
19.9K
VIEWS

Annuity with irregular payments

QUESTION FROM: Tim Heger | 11 years ago BY: Udo Krause
Economics , Equation Solving , Finance , Wolfram Language
9
REPLIES
19.1K
VIEWS

Using Replace in multiscale analysis

QUESTION FROM: Omer Tzuk | 11 years ago BY: Sean Clarke
Calculus , Equation Solving , Mathematica , Modeling , Physics , ...
1
REPLIES
6.4K
VIEWS

Problems with accuracy/precision of determinante, numerics

QUESTION FROM: Markus Schmidt | 11 years ago BY: Markus Schmidt
Algebra , Equation Solving , Numerical Computation , Wolfram Language
6
REPLIES
5.7K
VIEWS

ReplaceAll and Reduce

QUESTION FROM: Mutatis Mutandis | 11 years ago BY: Mutatis Mutandis
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
3
REPLIES
13.9K
VIEWS

('x','y','z') from RevolutionPlot3D('a')

QUESTION FROM: Greg | 11 years ago BY: Greg
Algebra , Equation Solving , Geometry , Graphics and Visualization , ...
4
REPLIES
7.7K
VIEWS

Why "Expression cannot begin with xxx " always show up?

QUESTION FROM: Shanliangzi Liu | 11 years ago BY: Shanliangzi Liu
Equation Solving , Wolfram Language
5
REPLIES
26.2K
VIEWS

Runge Kutta method to solve the Equation

QUESTION FROM: Zainab Junaid | 11 years ago BY: Zainab Junaid
Calculus , Equation Solving , Numerical Computation , Wolfram Language
7
REPLIES
14.3K
VIEWS

How do i translate this equation to mathematica language?

QUESTION FROM: azade53 | 11 years ago BY: azade53
Algebra , Calculus , Equation Solving , Mathematica , Wolfram Language
3
REPLIES
5.9K
VIEWS

Equation from Solve[] that can be Plotted (Solved)

QUESTION FROM: Greg | 11 years ago BY: Greg
Algebra , Equation Solving , Graphics and Visualization
2
REPLIES
4.6K
VIEWS

How Do I combine NDSolve (RungeKutta4thOrder) and Loop(For or Do) together?

QUESTION FROM: Thai Kee Gan | 11 years ago BY: Bruce Miller
Calculus , Equation Solving , Mathematica , Modeling , ...
19
REPLIES
20.4K
VIEWS

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

QUESTION FROM: Kyle wright | 11 years ago BY: Kyle wright
Equation Solving , Physics , Wolfram Language
4
REPLIES
5K
VIEWS

How can I recreate my equation within my following function

QUESTION FROM: jethro holcroft | 11 years ago BY: Luis Ledesma
Dynamic Interactivity , Equation Solving , ...
3
REPLIES
10.2K
VIEWS

Could you please help me to solve this partial differential equation ?

QUESTION FROM: sanaz ka | 11 years ago BY: sanaz ka
Algebra , Calculus , Equation Solving , Numerical Computation , ...
4
REPLIES
5.8K
VIEWS

Integration on complicated equation exceeds cloud time limit

QUESTION FROM: Eng Giap Goh | 11 years ago BY: suvadip mandal
Equation Solving , Modeling , Wolfram Cloud , ...
2
REPLIES
14.3K
VIEWS

How to solve a second order nonlinear ordinary differential equation?

QUESTION FROM: Omer Tzuk | 11 years ago BY: Nasser M. Abbasi
Calculus , Equation Solving , Mathematica , Wolfram Language
3
REPLIES
9.4K
VIEWS

Problem to resolve ODE of a Circular Membrane of Science of Construction

QUESTION FROM: Giovanni Ferdina | 11 years ago BY: Giovanni Ferdina
Calculus , Equation Solving , Wolfram Language
2
REPLIES
7.3K
VIEWS

Step by Step solutions

QUESTION FROM: Bill Johnson | 11 years ago BY: RorriNator 7
Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
21.6K
VIEWS

Solving two simultaneous power equations.

QUESTION FROM: Walter Gurr | 11 years ago BY: Walter Gurr
Equation Solving , Mathematica , Mathematics , Wolfram Language
2
REPLIES
6.7K
VIEWS

Understanding Mathematica's seeming inability to solve a simple DiffyQ

QUESTION FROM: Lawrence Cosner | 11 years ago BY: Lawrence Cosner
Calculus , Equation Solving , Mathematica , Wolfram Language
3
REPLIES
5.4K
VIEWS

Telling NDSolve to solve for reals only

QUESTION FROM: Josh Wofford | 11 years ago BY: Nasser M. Abbasi
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
9.1K
VIEWS

Newton-Raphson method

QUESTION FROM: Maha haroon | 11 years ago BY: Sertan Alkan
Equation Solving , Numerical Computation , Wolfram Language
1
REPLIES
8.3K
VIEWS

Solving Partial Diffeq with constraints

QUESTION FROM: James Pinkerton | 11 years ago
Calculus , Equation Solving , Mathematica , Wolfram Language
0
REPLIES
2.5K
VIEWS

How to solve a quadratic equation with 3 variables?

QUESTION FROM: E LAI | 11 years ago BY: David Keith
Equation Solving , Wolfram Language
2
REPLIES
5.9K
VIEWS

Precision in NDSolve

QUESTION FROM: Francois Fayard | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
10.7K
VIEWS

problems finding intersections for 3D graphs

QUESTION FROM: zachary nichols | 11 years ago
Equation Solving , Graphics and Visualization , Mathematica , ...
0
REPLIES
4.8K
VIEWS

Function output used in Graphics[]....

QUESTION FROM: Tim Kirkpatrick | 11 years ago BY: Tim Kirkpatrick
Equation Solving , Graphics and Visualization , Mathematica , ...
5
REPLIES
9.4K
VIEWS

not able to find solution for a system of differential equation

QUESTION FROM: Avinash Aman | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Wolfram Language
5
REPLIES
8.1K
VIEWS

Need help in using Resolve to prove equality over specified domain

QUESTION FROM: Glen Deering | 11 years ago BY: Glen Deering
Algebra , Calculus , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
8.1K
VIEWS

Please let me know why Mathematica gives error message!

QUESTION FROM: Changsoo Lee | 11 years ago BY: Changsoo Lee
Equation Solving , Numerical Computation , Wolfram Language
4
REPLIES
7.2K
VIEWS

Dividing two specific columns of numbers

QUESTION FROM: Dylan Mitchell | 11 years ago BY: Frank Kampas
Equation Solving , Mathematica , Wolfram Language
1
REPLIES
6.6K
VIEWS

Running a Mathematica's notebook, I hear a beep. What does it means?

QUESTION FROM: Jo R | 11 years ago BY: Bruce Miller
Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
8.1K
VIEWS

Why the heat equation doesn't work with NDSolve?

QUESTION FROM: Jo R | 11 years ago BY: Jo R
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
11
REPLIES
11.3K
VIEWS

Bisection Method to solve a polynomial?

QUESTION FROM: Jo Ko | 11 years ago BY: Daniel Lichtblau
Calculus , Equation Solving , Numerical Computation , Wolfram Language
1
REPLIES
5.8K
VIEWS

Can Mathematica modify lightly the inital conditions of NDSolve??

QUESTION FROM: Arnau Jim | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
7K
VIEWS

Plotting DSolve outputs?

QUESTION FROM: Tim Kirkpatrick | 11 years ago BY: Tim Kirkpatrick
Calculus , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
11.4K
VIEWS

Van der Pol & Euler's method in mathematica 8

QUESTION FROM: Kate Murat | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Wolfram Language
1
REPLIES
6K
VIEWS

Multivariable system of equations

QUESTION FROM: Jacob Simon | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
11.4K
VIEWS

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

QUESTION FROM: Muzahoo jee | 11 years ago BY: Muzahoo jee
Algebra , Equation Solving , Wolfram Language
5
REPLIES
9.2K
VIEWS

why does FindRoot with Integrate inside not always work correctly

QUESTION FROM: Mike Luntz | 11 years ago BY: Bruce Miller
Equation Solving , Mathematica , Numerical Computation , ...
6
REPLIES
10.5K
VIEWS

Why wolfram alpha doesn't solve this equation ?

QUESTION FROM: Casadei Thomas | 11 years ago BY: Daniel Lichtblau
Equation Solving , Wolfram|Alpha
1
REPLIES
10.8K
VIEWS

obscure bug using FindRoot[ Integrate[...

CONTRIBUTED BY: Mike Luntz | 11 years ago BY: Mike Luntz
Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
9.6K
VIEWS

using the solutions of differential equations system

QUESTION FROM: saysics saja | 12 years ago BY: saysics saja
Calculus , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
8.2K
VIEWS

Solve the probability distribution for the Forward Kolmogorov.

QUESTION FROM: Edvin Beqari | 12 years ago BY: Edvin Beqari
Calculus , Equation Solving , Mathematica
20
REPLIES
28K
VIEWS

What is the difference between Explicit RungeKutta Method and RK4 Equation?

QUESTION FROM: Thai Kee Gan | 12 years ago BY: Ivan Morozov
Calculus , Equation Solving , Wolfram Language
1
REPLIES
9.8K
VIEWS

WhenEvent issue with vector valued diffeq

QUESTION FROM: David Keith | 12 years ago BY: David Keith
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
8.8K
VIEWS

Runge-Kutta Method, stiffness occur, how to solve it?

QUESTION FROM: Thai Kee Gan | 12 years ago BY: Thai Kee Gan
Calculus , Equation Solving , Mathematica , Numerical Computation
6
REPLIES
12.6K
VIEWS

The system of equations with two variables.

QUESTION FROM: Denis Denk | 12 years ago BY: Denis Denk
Equation Solving , Graphics and Visualization , Mathematica , ...
4
REPLIES
8.5K
VIEWS

Integrating second order differential equation

QUESTION FROM: Filippo Cova | 12 years ago BY: W. Craig Carter
Calculus , Equation Solving , Mathematica , Wolfram Language
3
REPLIES
6.5K
VIEWS

Unknown error in NDSolve and other issues

QUESTION FROM: Konstantin Nosov | 12 years ago BY: Konstantin Nosov
Equation Solving , Mathematica , Numerical Computation
3
REPLIES
7K
VIEWS

Starting out with Equation Trekker

QUESTION FROM: David Mackay | 12 years ago BY: Sander Huisman
Equation Solving , Mathematics , Physics
1
REPLIES
7.5K
VIEWS

Linearization of function and equation solving

QUESTION FROM: Jasmine Thongnopnua | 12 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
11.3K
VIEWS

Solving for Temperature Variables Using Loops

QUESTION FROM: Katrine Rubia | 12 years ago BY: Christian Neel
Chemical Engineering , Equation Solving , Mathematica , ...
1
REPLIES
14.6K
VIEWS

Find higher order derivatives with DSolve

QUESTION FROM: Simon Tyran | 12 years ago BY: Simon Tyran
Calculus , Equation Solving , Mathematica , Mathematics
2
REPLIES
8.1K
VIEWS

Solve for parameters of an Exponential Function from 3 points

QUESTION FROM: Michael Gisi | 12 years ago BY: S M Blinder
Equation Solving , Optimization , Wolfram Language
1
REPLIES
8.6K
VIEWS

Hyperbola equation

QUESTION FROM: Matthew Bennett | 12 years ago BY: Daniel Lichtblau
Equation Solving , Geometry , Wolfram Language
2
REPLIES
10.8K
VIEWS

Problems with NDSolve and "singularity/stiffness system" errors.

QUESTION FROM: Manuel Jurado | 12 years ago BY: Manuel Jurado
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
8K
VIEWS

Is it possible to solve an equation containing an infinite expression?

QUESTION FROM: INTAN SUPRABA | 12 years ago BY: Alexei Boulbitch
Equation Solving , Statistics and Probability , Wolfram Language
3
REPLIES
9.8K
VIEWS

How to use the Finite elements method with Mathematica?

QUESTION FROM: Olivier Lemarchand | 12 years ago BY: Olivier Lemarchand
Calculus , Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
7.5K
VIEWS

Help with programming (finding roots)

QUESTION FROM: cleveland cav | 12 years ago BY: David Keith
Equation Solving , Optimization , Mathematics , Wolfram Language
2
REPLIES
6.9K
VIEWS

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

QUESTION FROM: Ethin Kiekhafer | 12 years ago BY: S M Blinder
Equation Solving , Mathematics
2
REPLIES
5.8K
VIEWS

Parametric Plotting A Numerical Solution to a Set of 4 Differential Eq's

QUESTION FROM: John Thacher | 12 years ago BY: John Thacher
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
7.4K
VIEWS

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

QUESTION FROM: Andrew Wang | 12 years ago BY: Daniel Lichtblau
Equation Solving , Mathematica , Wolfram Language
2
REPLIES
4.3K
VIEWS

Reaction Kinetics calculation with 8 equations

QUESTION FROM: Peter Adewale | 12 years ago BY: Peter Adewale
Calculus , Chemical Engineering , Chemistry , Equation Solving , ...
5
REPLIES
16.4K
VIEWS

How to solve 2-D Laplace equation in a rectangular domain analytically?

QUESTION FROM: Phil R | 12 years ago BY: Phil R
Calculus , Equation Solving , Mathematica , Wolfram Language
3
REPLIES
11.8K
VIEWS

Find domain and range of this logarithm function via wolfram

QUESTION FROM: lola ribar | 12 years ago BY: Sean Clarke
Equation Solving , Wolfram|Alpha , Wolfram Language
2
REPLIES
15.2K
VIEWS

using while

QUESTION FROM: sam adams | 12 years ago BY: Sean Clarke
Equation Solving , Wolfram Language
2
REPLIES
3.6K
VIEWS

DSolve does not solve a differential. No error message either.

QUESTION FROM: Dawei Heh | 12 years ago BY: Sean Clarke
Equation Solving , Wolfram Language
2
REPLIES
13.2K
VIEWS

Initial Value Problem Questions

QUESTION FROM: David Arnold | 12 years ago BY: David Arnold
Calculus , Equation Solving , Graphics and Visualization , ...
4
REPLIES
12.3K
VIEWS

How to find all values given variable properties? AKA formula guessing

QUESTION FROM: Gabriel Canto | 12 years ago BY: Daniel Lichtblau
Algebra , Calculus , Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
10.1K
VIEWS

solve for highly nonlinear double variable, decoupled equation

QUESTION FROM: Palas Kar | 12 years ago BY: Palas Kar
Equation Solving , Mathematics , Wolfram Language
7
REPLIES
10.8K
VIEWS

Newbie question: how to solve for a given var in this set of equations

QUESTION FROM: Pat Niemeyer | 12 years ago BY: Bill Simpson
Equation Solving , Wolfram|Alpha
1
REPLIES
7.6K
VIEWS

Eigenvalue Problem of Hamiltonian of Single Cooper Pair Box

QUESTION FROM: ebrahimmm6781 Khalil | 12 years ago BY: Frank Kampas
Algebra , Calculus , Computational Systems , Discrete Mathematics , ...
1
REPLIES
11K
VIEWS

Find root not working when attempting on function defined by module

QUESTION FROM: david baughman | 12 years ago BY: Daniel Lichtblau
Astronomy , Equation Solving , Mathematica , Optimization , ...
5
REPLIES
10.7K
VIEWS

Please Help : Error in plotting the solutions of FindRoot

QUESTION FROM: Betatron Steve | 12 years ago BY: Udo Krause
Equation Solving , Graphics and Visualization , ...
1
REPLIES
4.9K
VIEWS

The function x appears with no arguments.

QUESTION FROM: Vindarius Johnson | 12 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Modeling
3
REPLIES
9.4K
VIEWS

How to write equations in wolfram?

QUESTION FROM: Alon Vasago | 12 years ago BY: Tigran Aivazian
Algebra , Equation Solving , Mathematica , Optimization , ...
9
REPLIES
14.1K
VIEWS

Solving equations with multiple unique solutions

QUESTION FROM: Maya Greene | 12 years ago BY: Maya Greene
Equation Solving , Mathematica , Symbolic Computations
2
REPLIES
5.5K
VIEWS
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