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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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Finding the root of a messy function

QUESTION FROM: spidey jj | 5 years ago BY: spidey jj
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4K
VIEWS

Simplify (use variables) and plot this summation?

QUESTION FROM: Marko Manninen | 5 years ago BY: Marko Manninen
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
9.8K
VIEWS

A bug or not in Equation solver?

QUESTION FROM: Daqing Li | 5 years ago BY: Daqing Li
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.8K
VIEWS

Translate boundary conditions into Mathematica's code?

QUESTION FROM: Hekarl Uzir | 5 years ago BY: Hekarl Uzir
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.7K
VIEWS

Am I missing any parameter's to get a solution

QUESTION FROM: Paul Cleary | 5 years ago BY: Paul Cleary
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.2K
VIEWS

Inverse of an equation with x*e^x

QUESTION FROM: Christopher S | 5 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
5.1K
VIEWS

[Solved] Solve a definite integral?

QUESTION FROM: vin Bha | 5 years ago BY: vin Bha
Calculus , Equation Solving , Wolfram Language
2
REPLIES
5K
VIEWS

Question about grid refinement

QUESTION FROM: David C | 5 years ago BY: M.A. Ghorbani
Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
4.4K
VIEWS

Solve Function on a Specific Interval

QUESTION FROM: Mitchell Sandlin | 5 years ago BY: Mitchell Sandlin
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
8.1K
VIEWS

Solve differential equation with Delay, please help!!

QUESTION FROM: LMDP amir | 5 years ago BY: LMDP amir
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4K
VIEWS

[Solved] I have Plot issue in Mathematica code. Kindly sort it out.

QUESTION FROM: nani khan | 5 years ago BY: nani khan
Equation Solving , Graphics and Visualization , Wolfram Language
2
REPLIES
5.2K
VIEWS

Create a reverse function of Numeric function result from NDSolve

QUESTION FROM: Ezra Kohavi | 5 years ago BY: Ezra Kohavi
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.7K
VIEWS

How to define an implicit function please ?

QUESTION FROM: Armen SARIAN | 5 years ago BY: Updating Name
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.4K
VIEWS

Solve not working

QUESTION FROM: Neerav Kaushal | 5 years ago BY: Werner Geiger
Equation Solving , Wolfram Language
2
REPLIES
5K
VIEWS

[Solved] Unable to run loop correctly. Replace All error.

QUESTION FROM: Avidaan Srivastava | 5 years ago BY: Avidaan Srivastava
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3K
VIEWS

Numeric solution for Volterra equation

QUESTION FROM: James Win | 5 years ago BY: James Win
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

DSolve and 1st order diff. equations in the differential form

QUESTION FROM: Yeso Alde | 5 years ago BY: Yeso Alde
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.9K
VIEWS

Help with system of equations: not numerical solutions but expressions

QUESTION FROM: Javier Segovia | 5 years ago BY: Javier Segovia
Equation Solving , Numerical Computation , Wolfram Language
2
REPLIES
3.9K
VIEWS

Questions about NDSolve with Dirichlet/Neumann bcs and direct formulations

QUESTION FROM: Lars Ulke-Winter | 5 years ago BY: Lars Ulke-Winter
Calculus , Engineering , Equation Solving , Mathematica , ...
2
REPLIES
6.9K
VIEWS

Mapping attempt in PeriodicBoundaryConditions ends in failure.

QUESTION FROM: Andy M | 5 years ago BY: Andy M
Dynamic Interactivity , Equation Solving , ...
2
REPLIES
3.6K
VIEWS

Maximize with Manipulate

QUESTION FROM: Manoj Imrith | 5 years ago BY: Manoj Imrith
Dynamic Interactivity , Equation Solving , Optimization , Modeling , ...
2
REPLIES
7.6K
VIEWS

Simplify a simple expression

QUESTION FROM: Yuhai Xiang | 5 years ago BY: Yuhai Xiang
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
7.1K
VIEWS

Matrix diagonalization by eigen decomposition

QUESTION FROM: Kristóf Vörös | 5 years ago BY: Kristóf Vörös
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.7K
VIEWS

Solve Laplace equation: how to make the recursion stop?

QUESTION FROM: Yanliu Li | 5 years ago BY: Yanliu Li
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.9K
VIEWS

Why doesn't DSolve not give good analytic solution?

QUESTION FROM: Adam Kipping | 5 years ago BY: Adam Kipping
Equation Solving , Mathematics , Modeling , Wolfram Language
2
REPLIES
3.9K
VIEWS

Control the Precision and Accuracy of Numerical Results using FindFor

QUESTION FROM: Jaime de la Mota | 5 years ago BY: Jaime de la Mota
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.6K
VIEWS

Solve the following differential equation and interpret the result?

QUESTION FROM: Niki Nikou | 5 years ago BY: Niki Nikou
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

Interpret the results of solving a system of differential equations

QUESTION FROM: Niki Nikou | 5 years ago BY: Niki Nikou
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
VIEWS

Need to Simplify Trig Functions of ArcTan

QUESTION FROM: Frank Kampas | 5 years ago BY: Frank Kampas
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.4K
VIEWS

Increasing running time of solve (in integers) function using certain condi

QUESTION FROM: Jan Eerland | 5 years ago BY: Rohit Namjoshi
Algebra , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
5.2K
VIEWS

Different results when solving a system of differential equations

QUESTION FROM: Artur Castro | 5 years ago BY: Artur Castro
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3K
VIEWS

Get solutions from NSolve in a consistent manner

QUESTION FROM: Robert Poenaru | 5 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
5.3K
VIEWS

SIR model - Avoid NDSolve problem

QUESTION FROM: Rodrigo Cordeiro | 5 years ago BY: Rodrigo Cordeiro
Biological Sciences , Equation Solving , Mathematics , ...
2
REPLIES
5.5K
VIEWS

Solve and plot the following equation's derivative

QUESTION FROM: Elanor Lambert | 5 years ago BY: Henrik Schachner
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
4.2K
VIEWS

[✓] Using Solve to invert polar to cartesian

QUESTION FROM: William Stewart | 5 years ago BY: William Stewart
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
6.2K
VIEWS

Use solve function with conditions?

QUESTION FROM: Keito Tanemura | 5 years ago BY: Updating Name
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
6.1K
VIEWS

Solve a quantum potential well equation?

QUESTION FROM: Reza rho | 5 years ago BY: Reza rho
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
2
REPLIES
7.3K
VIEWS

Evaluate the quality of the fit ?

QUESTION FROM: Hélène PASQUIER | 5 years ago BY: Hélène PASQUIER
Equation Solving , Optimization , Mathematics , Modeling , ...
2
REPLIES
4.8K
VIEWS

Use FindEquationalProof on the following equation?

QUESTION FROM: Math Logic | 5 years ago BY: Math Logic
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
7.7K
VIEWS

Find number of years for each animal from this system of equations

QUESTION FROM: Bogd Timo | 5 years ago BY: Bogd Timo
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
6.4K
VIEWS

Solve system of diff-algebraic equations with periodic boundary-conditions?

QUESTION FROM: Maha Youssef | 5 years ago BY: Anonymous User
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4K
VIEWS

Solve equations with sums?

QUESTION FROM: Pavel Knyazev | 5 years ago BY: Pavel Knyazev
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.1K
VIEWS

Plot the following custom functions?

QUESTION FROM: Bryan Koh | 5 years ago BY: Bryan Koh
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
3.3K
VIEWS

Solve two differential equations with NDSolve and DSolve?

QUESTION FROM: Mauricio Cruz | 5 years ago BY: Mauricio Cruz
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.8K
VIEWS

Solve heat equation with initial condition?

QUESTION FROM: avioz dagan | 6 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.7K
VIEWS

Solve analytically a third oder coupled Ode?

QUESTION FROM: Umair Rashid | 6 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4K
VIEWS

[?] Solve equation and find x for y=0, 0.2, 0.4,.......,1.4?

QUESTION FROM: PRASAD PUTTASWAMY | 6 years ago BY: PRASAD PUTTASWAMY
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.7K
VIEWS

RootIntervals function supports algebraic number coefficients?

QUESTION FROM: HaoKun Li | 6 years ago BY: HaoKun Li
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.6K
VIEWS

Use a variable obtained from a "Solve" in another equation?

QUESTION FROM: Jorge Machain | 6 years ago BY: Jorge Machain
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
6.3K
VIEWS

existing solutions on system of three modular equations not found by W|A.

QUESTION FROM: Gottfried Helms | 6 years ago BY: Gottfried Helms
Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
4.9K
VIEWS

Find the probability of a Joint distribution function given by an integral?

QUESTION FROM: Ashfiq Rahman | 6 years ago BY: Ashfiq Rahman
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

Input longer/multiple expressions with Wolfram|Alpha?

QUESTION FROM: Florian Biermann | 6 years ago BY: Florian Biermann
Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
8.6K
VIEWS

Solve an equation for a deformation?

QUESTION FROM: Gowtham A | 6 years ago BY: Gowtham A
Engineering , Equation Solving , Mathematics , Physics , ...
2
REPLIES
5.9K
VIEWS

NDSolve and equation with a NeumannValue?

QUESTION FROM: Sinval Santos | 6 years ago BY: Sinval Santos
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
8.1K
VIEWS

Solve a symbolic equation with a Sin function?

QUESTION FROM: hwoarang Polar | 6 years ago BY: hwoarang Polar
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.2K
VIEWS

Get solution of a PDE with NDSolve?

QUESTION FROM: Sinval Santos | 6 years ago BY: Sinval Santos
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.3K
VIEWS

Find the roots of a non-linear ODE using FindRoot?

QUESTION FROM: Daniel Pearce | 6 years ago BY: Daniel Pearce
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.7K
VIEWS

[?] Obtain a symbolic solution of a PDE?

QUESTION FROM: Sinval Santos | 6 years ago BY: Sinval Santos
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.5K
VIEWS

[?] Solve the following transcendental equation?

QUESTION FROM: ismail ali | 6 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
6.6K
VIEWS

Solve a parametric equation system using W|A?

QUESTION FROM: Friedrich Trabert | 6 years ago BY: Friedrich Trabert
Engineering , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
7.5K
VIEWS

Obtain a correct asymptotic series for a formula involving BesselK

QUESTION FROM: Leslaw Bieniasz | 6 years ago BY: Leslaw Bieniasz
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
4.5K
VIEWS

Polynomial fit to data with multiple inputs (3) ?

QUESTION FROM: AxAy K | 6 years ago BY: Isaac Sarver
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.4K
VIEWS

Set initial conditions of Laplace equations?

QUESTION FROM: Lee Min Kyu | 6 years ago BY: Lee Min Kyu
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.3K
VIEWS

Solve a systems of equations with a sum in it?

QUESTION FROM: Anna Ebert | 6 years ago BY: Anna Ebert
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.9K
VIEWS

[?] Solve an equation for peptide deletion sequences?

QUESTION FROM: Lutz Adam | 6 years ago BY: Lutz Adam
Chemistry , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
5.9K
VIEWS

NDSolve a second order ODE with second derivative as boundary?

QUESTION FROM: Lorenzo Garlappi | 6 years ago BY: Lorenzo Garlappi
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.3K
VIEWS

[?] Solve powerless polynomial equations?

QUESTION FROM: 永康 杨 | 6 years ago BY: Updating Name
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
4.4K
VIEWS

Obtain exact values for a multivariable optimization problem?

QUESTION FROM: Dave Markham | 6 years ago BY: Neil Singer
Calculus , Equation Solving , Optimization , Mathematics , ...
2
REPLIES
6.8K
VIEWS

Create a two body problem animation?

QUESTION FROM: Torebek Zhumabek | 6 years ago BY: Neil Singer
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
5K
VIEWS

[?] Find surface normal and intersection from any arbitrary shape?

QUESTION FROM: Tomi B | 6 years ago BY: Tim Laska
Calculus , Engineering , Equation Solving , Geometry , ...
2
REPLIES
7.7K
VIEWS

Join two opposite edges of a 2D rectangular mesh?

QUESTION FROM: Robert Curl | 6 years ago BY: Robert Curl
Calculus , Equation Solving , Geometry , Graphics and Visualization , ...
2
REPLIES
5.3K
VIEWS

Get Non-negative ODE solution?

QUESTION FROM: David G. Aragonés | 6 years ago BY: David G. Aragonés
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.4K
VIEWS

Specify meshes and boundaries in NDSolveValue?

QUESTION FROM: Robert Curl | 6 years ago BY: Robert Curl
Equation Solving , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
5.4K
VIEWS

Include special (reserved) symbols in variable names?

QUESTION FROM: Michael W. | 6 years ago BY: Michael W.
Equation Solving , Mathematics , Packages , Physics , ...
2
REPLIES
8.8K
VIEWS

Combine Solve with ReplaceAll within it?

QUESTION FROM: Bruno Ambrósio | 6 years ago BY: Bruno Ambrósio
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.8K
VIEWS

Embed NDSolveValue function in Manipulate for CDF?

QUESTION FROM: Christophe Terrier | 6 years ago BY: Christophe Terrier
Computable Document Format , Dynamic Interactivity , ...
2
REPLIES
7.5K
VIEWS

Fix this numerical analysis approach for Newton's gravity equation?

QUESTION FROM: Joshua Champion | 6 years ago BY: Neil Singer
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.9K
VIEWS

Solving for an expression in cascades of stages and ladders

QUESTION FROM: Jan Brittenson | 6 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
3.8K
VIEWS

Solve numerically a system of 5 ODEs using NDSolve?

QUESTION FROM: David G. Aragonés | 6 years ago BY: David G. Aragonés
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.1K
VIEWS

NDSolve piecewise differential equations associated with a water hammer?

QUESTION FROM: srinivas.gk | 6 years ago BY: srinivas.gk
Calculus , Engineering , Equation Solving , Mathematics , ...
2
REPLIES
6.7K
VIEWS

Avoid issue while using Mod[] in NDSolve[]?

QUESTION FROM: Maksym Snegirev | 6 years ago BY: Maksym Snegirev
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
5.1K
VIEWS

[?] Solve a system of congruences with different moduli in each congruence?

QUESTION FROM: Paul Weichsel | 6 years ago BY: Paul Weichsel
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.1K
VIEWS

Solve a system of nonlinear equations?

QUESTION FROM: Amir Sadeghi | 6 years ago BY: Amir Sadeghi
Algebra , Calculus , Equation Solving , Mathematics , ...
2
REPLIES
7K
VIEWS

Understand what default initial conditions are used in DSolveValue?

QUESTION FROM: Anonymous User | 6 years ago BY: Daniel Lichtblau
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
2.6K
VIEWS

Solve a system of two nonlinear equations?

QUESTION FROM: Lev Dorosinskiy | 6 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.4K
VIEWS

Model a wave equation forced oscillation, A(t)?

QUESTION FROM: Anonymous User | 6 years ago BY: Anonymous User
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
2.7K
VIEWS

Use ParametricPlot to show the results of NDSolve?

QUESTION FROM: Pawe? ?ukowski | 6 years ago BY: Pawe? ?ukowski
Equation Solving , Graphics and Visualization , Mathematics , ...
2
REPLIES
3.3K
VIEWS

Avoid error while using NDSolve on theses differential equations?

QUESTION FROM: Pawe? ?ukowski | 6 years ago BY: Marco Thiel
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
4.8K
VIEWS

Simplify my integrand to make the function Integrate[] work?

QUESTION FROM: Sida Liu | 6 years ago BY: Sida Liu
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
6.8K
VIEWS

Why does NDSolve return a constant value when the derivative is positive?

QUESTION FROM: Robert McHugh | 6 years ago BY: Robert McHugh
Calculus , Control Systems , Equation Solving , Mathematics , ...
2
REPLIES
9.1K
VIEWS

Use NSolve for a system of two nonlinear equations two unknowns?

QUESTION FROM: Babak K | 7 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.2K
VIEWS

Get a solution to the following partial differential equation?

QUESTION FROM: Alex Token | 7 years ago BY: Alex Token
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.2K
VIEWS

[?] Get same results from same equations but simplified?

QUESTION FROM: Mirza Farrukh Baig | 7 years ago BY: Mirza Farrukh Baig
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.6K
VIEWS

[?] Get identical symbolic expressions after simplifying them differently?

QUESTION FROM: Alex Token | 7 years ago BY: Alex Token
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.4K
VIEWS

Solve a system with 3 variables and 3 equations using W|A?

QUESTION FROM: Douglas Jorge | 7 years ago BY: Bill Nelson
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
7.5K
VIEWS

Nonlinear feedback system

QUESTION FROM: OBIROY LAIRENJAM | 7 years ago BY: OBIROY LAIRENJAM
Control Systems , Engineering , Equation Solving , ...
2
REPLIES
7K
VIEWS

Solve the following simple system of equations?

QUESTION FROM: Jonathan Witt | 7 years ago BY: Mariusz Iwaniuk
Chemistry , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
8.1K
VIEWS

Use solve command to determine a shift value for graph?

QUESTION FROM: Keanu Davis | 7 years ago BY: Keanu Davis
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
4.2K
VIEWS

Plot the elliptical orbit from a Lagrangian?

QUESTION FROM: leonia dasilva | 7 years ago BY: Frank Kampas
Astronomy , Calculus , Equation Solving , ...
2
REPLIES
8.6K
VIEWS

Find the angle with which the projectile was launched?

QUESTION FROM: tadas Gricius | 7 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Physics , Wolfram Language
2
REPLIES
6K
VIEWS
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