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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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Geodesics equation - solving and plotting via Mathematica

QUESTION FROM: michal buday | 20 days ago BY: Marty Parts
Algebra , Calculus , Equation Solving , Geometry , ...
6
REPLIES
22.8K
VIEWS

solve equation system for five order

QUESTION FROM: Diego Leandro Suarez Solano | 11 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Wolfram Language
12
REPLIES
8.1K
VIEWS

Why does the output have Nulls? (was: Help me, please!)

QUESTION FROM: Maria Luisa | 4 years ago BY: Eric Rimbey
Algebra , Equation Solving , Mathematica , Wolfram Language
4
REPLIES
10.3K
VIEWS

Simple physics problem

QUESTION FROM: Frank Nasuti | 11 years ago BY: Frank Nasuti
Equation Solving , Physics , Wolfram|Alpha
2
REPLIES
7.5K
VIEWS

Please Help : Error in plotting the solutions of FindRoot

QUESTION FROM: Betatron Steve | 11 years ago BY: Udo Krause
Equation Solving , Graphics and Visualization , ...
1
REPLIES
4.7K
VIEWS

Can you find the PseudoInverse of this matrix?

QUESTION FROM: Douglas Youvan | 10 years ago BY: Frank Kampas
Algebra , Discrete Mathematics , Equation Solving , ...
4
REPLIES
9.1K
VIEWS

Rootfinding

QUESTION FROM: Derek Tom | 11 years ago BY: David Reiss
Equation Solving
1
REPLIES
3.5K
VIEWS

NDSolve - Can anyone see what's wrong in my thinking?

QUESTION FROM: David Keith | 1 year ago BY: Asmus Meyer-Plath
Calculus , Equation Solving , Mathematica , Wolfram Language
10
REPLIES
7.4K
VIEWS

Dsolve gives ECHO solution for a symbolic system of ODE

QUESTION FROM: Valentina Mercuri | 11 years ago BY: Valentina Mercuri
Calculus , Equation Solving , Mathematica , Wolfram Language
2
REPLIES
5.3K
VIEWS

How rare is it for a sparse rectangular matrix to have an exact solution?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Douglas Youvan
Algebra , Discrete Mathematics , Equation Solving , ...
3
REPLIES
7.1K
VIEWS

NDSolve - MaxSteps

QUESTION FROM: luca civati | 11 years ago BY: luca civati
Computer Science , Engineering , Equation Solving , Mathematica , ...
2
REPLIES
5.9K
VIEWS

Difference Equation Model: Loan Calculations

QUESTION FROM: Nick Leroux | 11 years ago BY: David Reiss
Equation Solving , Mathematics , Modeling , Wolfram Language
4
REPLIES
5.6K
VIEWS

How can I solve Equations to complicated for Solve containing Tan[x]?

QUESTION FROM: David Kirchengast | 11 years ago BY: David Kirchengast
Equation Solving
2
REPLIES
5.1K
VIEWS

NDSolve problem: different results with different time integration

QUESTION FROM: luca civati | 11 years ago
Aerospace Engineering , Civil Engineering , Engineering , ...
0
REPLIES
6.9K
VIEWS

Please URGENT subscript help! (On google chrome)

QUESTION FROM: Alex Veselinovic | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Wolfram|Alpha , ...
1
REPLIES
16.9K
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

How to Reduce Number of Iteration of Gradient Iterative Method

QUESTION FROM: selahittin cinar | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
6.1K
VIEWS

Integral evaluation fails

QUESTION FROM: Welling Oei | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica , Wolfram Language
6
REPLIES
8.6K
VIEWS

ParallelTable vs ParallelSubmit

QUESTION FROM: Matthias Neuer | 11 years ago BY: Chad Knutson
Calculus , Equation Solving , High-Performance Computing , ...
4
REPLIES
10.6K
VIEWS

Solving ordinary differential equations [growth equation]

QUESTION FROM: Brendan John | 11 years ago BY: Arturo Ramos
Calculus , Equation Solving , Mathematica , Wolfram Language
6
REPLIES
6.6K
VIEWS

Does anyone recognize this SVD shortcut as a known equation?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Douglas Youvan
Algebra , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
5.6K
VIEWS

How would you find the equation on mathematica

QUESTION FROM: Anonymous User | 11 years ago BY: Marco Thiel
Algebra , Equation Solving , Geometry , Mathematica , Wolfram Language
1
REPLIES
3.7K
VIEWS

Computing logical independence - never mind! (Forgot "dual" case.)

QUESTION FROM: Mark Tuttle | 11 years ago
Algebra , Discrete Mathematics , Equation Solving , Mathematica , ...
0
REPLIES
4.2K
VIEWS

Numerical solution of fourth order differential equation

QUESTION FROM: sergei pronkevich | 11 years ago BY: sergei pronkevich
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
6
REPLIES
7.4K
VIEWS

Step by Step solutions

QUESTION FROM: Bill Johnson | 10 years ago BY: RorriNator 7
Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
21K
VIEWS

How do I solve a profile interval (statistics)

QUESTION FROM: Casper YC | 11 years ago BY: Casper YC
Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
6.7K
VIEWS

Linearization of function and equation solving

QUESTION FROM: Jasmine Thongnopnua | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
11K
VIEWS

What went wrong with this NDSolve command usage?

QUESTION FROM: INTAN SUPRABA | 11 years ago BY: INTAN SUPRABA
Civil Engineering , Engineering , Equation Solving , Mathematics , ...
2
REPLIES
13.5K
VIEWS

How to find values for x where tan(x)=ComplexInfinity

QUESTION FROM: Nick Carter | 11 years ago BY: Frank Kampas
Equation Solving , Mathematics , Wolfram|Alpha
1
REPLIES
7.8K
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
5.1K
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
7.7K
VIEWS

Help on Structural Equation Model based on Generalized Maximum Entropy

QUESTION FROM: airin azurin | 11 years ago
Equation Solving , Mathematica , Mathematics , ...
0
REPLIES
3.5K
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
11.2K
VIEWS

Solving ODE in Mathematica

QUESTION FROM: Jen Watkins | 11 years ago BY: Jen Watkins
Engineering , Equation Solving , Mathematica , Mathematics
2
REPLIES
5.1K
VIEWS

Using Parallelize to Visualize StreamPlot

QUESTION FROM: q q | 11 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics
1
REPLIES
6.1K
VIEWS

How I can introduce constants on Wolfram?

QUESTION FROM: Bryan Maia | 11 years ago BY: David Reiss
Algebra , Equation Solving , Graphics and Visualization , ...
1
REPLIES
4.8K
VIEWS

Bug in show steps for natural language DEQ input

QUESTION FROM: q q | 11 years ago BY: Daniel Lichtblau
Equation Solving , Mathematica , Mathematics
3
REPLIES
6.3K
VIEWS

Help with Solve

QUESTION FROM: Thomas Groll | 11 years ago
Economics , Equation Solving , Mathematica , Mathematics , ...
0
REPLIES
5.3K
VIEWS

DSolve doesn't know the answer to this differential-algebraic system

QUESTION FROM: ppphhw ppphhw | 11 years ago BY: ppphhw ppphhw
Algebra , Calculus , Equation Solving , Wolfram Language
4
REPLIES
4.9K
VIEWS

System of linear inequalities (12 variables)

QUESTION FROM: Miguel Jesus | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematica , Mathematics
1
REPLIES
5.7K
VIEWS

Graphing a Quadratic

QUESTION FROM: Jaewon Sim | 11 years ago BY: Dana DeLouis
Calculus , Equation Solving , Graphics and Visualization , ...
5
REPLIES
6.9K
VIEWS

How do I apply boolean test to each entry / matrix element?

QUESTION FROM: Jack Dough | 11 years ago BY: Jack Dough
Algebra , Equation Solving , Mathematica , Numerical Computation
2
REPLIES
4.7K
VIEWS

Solve the probability distribution for the Forward Kolmogorov.

QUESTION FROM: Edvin Beqari | 11 years ago BY: Edvin Beqari
Calculus , Equation Solving , Mathematica
20
REPLIES
24.9K
VIEWS

sorry, how to solve it???

QUESTION FROM: salina azhar | 11 years ago BY: David Reiss
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
3
REPLIES
5.5K
VIEWS

trouble solving diff. eqn. in alpha pro

QUESTION FROM: danny tuttle | 11 years ago BY: Isaac Abraham
Calculus , Equation Solving , Wolfram|Alpha , Wolfram Language
1
REPLIES
8.8K
VIEWS

Using DSolve (gives "True" for one equation)

QUESTION FROM: Kathy Anderson | 11 years ago BY: Kathy Anderson
Calculus , Equation Solving , Mathematica , Wolfram Language
2
REPLIES
4.2K
VIEWS

Solve a CES production function maximization profit

QUESTION FROM: Carlos Vasco | 11 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Wolfram Language
1
REPLIES
6.3K
VIEWS

Solve Cos[x]^2=1/2 in n[0,2Pi] geometrical

QUESTION FROM: peter B | 11 years ago BY: Isaac Abraham
Equation Solving , Graphics and Visualization , Mathematics , ...
1
REPLIES
7.1K
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
7.9K
VIEWS

inventory model equation to obtain t_1 and T using mathematica!

QUESTION FROM: lawrence orewa | 11 years ago BY: Bruce Miller
Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
4.6K
VIEWS

Why Mathematica cannot solve simple power eqation?:(

QUESTION FROM: Darek Aksamit | 11 years ago BY: Daniel Lichtblau
Calculus , Equation Solving , Mathematica , Mathematics , Physics
3
REPLIES
6.5K
VIEWS

Attempting to input a complex equation into W|A, both of us are stumped.

QUESTION FROM: Joshua Patyten | 11 years ago BY: Daniel Lichtblau
Chemistry , Equation Solving , Units , Wolfram|Alpha
12
REPLIES
12.8K
VIEWS

Memory problem in Mathematica 10

QUESTION FROM: sejabs Song | 11 years ago
Computer Science , Equation Solving , Mathematica
0
REPLIES
4.6K
VIEWS

How can I include a parameter in ListPlot?

QUESTION FROM: user E | 11 years ago BY: Douglas Skinner
Computer Science , Data Science , Education , Engineering , ...
1
REPLIES
8.7K
VIEWS

Set up differential equations

QUESTION FROM: Dawei Heh | 11 years ago BY: David Reiss
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Using NDSolve with CUDA

QUESTION FROM: Nelson Amorim | 11 years ago
Algebra , Equation Solving , High-Performance Computing , Modeling , ...
0
REPLIES
4K
VIEWS

Exponential Eq.

QUESTION FROM: rafael ibanez | 11 years ago BY: Daniel Lichtblau
Equation Solving , Numerical Computation , Wolfram Language
1
REPLIES
4.1K
VIEWS

Solving equation with Bessel functions BesselJ & BesselK

QUESTION FROM: Saf Al | 11 years ago BY: Bill Simpson
Algebra , Equation Solving , Mathematica , Wolfram Language
13
REPLIES
12.9K
VIEWS

How to solve these simultaneous equations?

QUESTION FROM: rr003035 | 11 years ago BY: David Keith
Algebra , Equation Solving , Mathematica , Wolfram Language
6
REPLIES
6.6K
VIEWS

How to Get Uninterpolated Results From NDSolve MethodOfLines

QUESTION FROM: Frank Kampas | 11 years ago BY: Frank Kampas
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.7K
VIEWS

Two Problems with NDSolve, Overflow and Projection method

QUESTION FROM: Amir Hadi Ziaie | 11 years ago BY: Amir Hadi Ziaie
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
4.9K
VIEWS

Ordering of solutions for quartics when using Root

QUESTION FROM: Yuriy Ivanov | 11 years ago BY: David J M Park Jr
Algebra , Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
6.8K
VIEWS

Solve::incnst: Inconsistent or redundant ... Mathematica 9

QUESTION FROM: Harvey Vargas | 11 years ago BY: Bruce Miller
Algebra , Equation Solving , Mathematica , Wolfram Language
1
REPLIES
8.1K
VIEWS

How do I solve inequalities with conditional expression (variables)?

QUESTION FROM: Marcel Duda | 11 years ago BY: Marcel Duda
Equation Solving , Geometry , Wolfram Language
1
REPLIES
4.2K
VIEWS

Can anyone please check my code and help me? about NDSolve and Plot

QUESTION FROM: nffddn | 11 years ago BY: Marco Thiel
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
6.6K
VIEWS

can anyone help me with this code?

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

Is it possible to use explicit quartics solution for solving biquadratics?

QUESTION FROM: Yuriy Ivanov | 11 years ago BY: Yuriy Ivanov
Algebra , Equation Solving , Mathematica , Wolfram Language
26
REPLIES
10K
VIEWS

Can't get this code to work - warning from Solve

QUESTION FROM: nffddn | 11 years ago BY: nffddn
Equation Solving , Wolfram Language
3
REPLIES
6.3K
VIEWS

Problem with NDSolve

QUESTION FROM: Luis Fernando Moura | 11 years ago BY: Luis Fernando Moura
Calculus , Equation Solving , Mathematica , Wolfram Language
5
REPLIES
4.5K
VIEWS

Problem with NDSolve in Mathematica 9

QUESTION FROM: Peter Juergens | 11 years ago
Equation Solving , Mathematica
0
REPLIES
1.7K
VIEWS

Problems using InverseFunction

QUESTION FROM: Kaushik Kandakatla | 11 years ago BY: Kaushik Kandakatla
Algebra , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
6.3K
VIEWS

Mathematica only rewrites the differential equation

QUESTION FROM: Mattias Pettersson | 11 years ago BY: Marco Thiel
Calculus , Equation Solving , Physics , Wolfram Language
3
REPLIES
5.4K
VIEWS

Issue with Solve. Transition from Mathematica 9 to 10

QUESTION FROM: D PrEs | 11 years ago BY: Bruce Miller
Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
5K
VIEWS

A question about using Wolfram Mathematica with Circuit Analysis

QUESTION FROM: Ammar Hazim | 11 years ago BY: Frank Iannarilli
Engineering , Equation Solving , Wolfram Language
5
REPLIES
13.4K
VIEWS

Solve not working?

QUESTION FROM: Tristan Knowlton | 11 years ago BY: Tristan Knowlton
Equation Solving , Mathematica , Wolfram Language
3
REPLIES
19.4K
VIEWS

problem with NDsolve of piecewise function

QUESTION FROM: Mariusz Sapinski | 11 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Wolfram Language
1
REPLIES
5.5K
VIEWS

Solving Black-Scholes PDE with NDSolve

QUESTION FROM: Sandu Ursu | 11 years ago BY: Sjoerd de Vries
Business Analytics , Calculus , Equation Solving , Finance , ...
2
REPLIES
13.9K
VIEWS

Using the output on ParametricNDSolve in a Piecewise function

QUESTION FROM: David Robert Grimes | 11 years ago BY: David Robert Grimes
Equation Solving , Mathematica , Mathematics , Physics , ...
2
REPLIES
8K
VIEWS

Help with linear recurrence in 4 variables

QUESTION FROM: Mario Weitzer | 11 years ago BY: Udo Krause
Equation Solving , Mathematica , Mathematics , Wolfram Language
5
REPLIES
7.6K
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
5.2K
VIEWS

Can someone please rectify the errors during fitting this model

QUESTION FROM: Jaydeep Yadav | 11 years ago
Biological Sciences , Equation Solving , Mathematica , Modeling , ...
0
REPLIES
6.2K
VIEWS

Help weird NDSolve error, system of ODE and an algebraic equation

QUESTION FROM: Renee Dale | 11 years ago BY: Guy Mongelli
Biological Sciences , Calculus , Equation Solving , Mathematica , ...
3
REPLIES
16.5K
VIEWS

I am getting an "NDSolve::ndum:" error and cannot figure out why.

QUESTION FROM: Anup Singh | 11 years ago BY: Jason Grigsby
Calculus , Equation Solving , Mathematica , Wolfram Language
1
REPLIES
6.1K
VIEWS

How to combine variables automatically?

QUESTION FROM: Aaron Clair | 11 years ago BY: Bill Simpson
Algebra , Equation Solving , Mathematica , Symbolic Computations , ...
1
REPLIES
5.9K
VIEWS

differential equation solving numerically

QUESTION FROM: nirupama radhakrishnan | 11 years ago BY: Marco Thiel
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
6.1K
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
8.4K
VIEWS

Help me to resolve this syntax issue

QUESTION FROM: Jaydeep Yadav | 11 years ago BY: Jaydeep Yadav
Equation Solving , Mathematica , Mathematics , Modeling , ...
4
REPLIES
6.1K
VIEWS

DSolve simply freezing with yellow bar bracket

QUESTION FROM: Dev G | 11 years ago BY: Bill Simpson
Algebra , Calculus , Equation Solving , Mathematica , Wolfram Language
8
REPLIES
5K
VIEWS

How should I define the boundary and initial conditions in NDSolve...?

QUESTION FROM: Vincent Shaw | 11 years ago BY: Peter Fleck
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
9.5K
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
11.7K
VIEWS

How do I solve and plot the equations for an RC circuit?

QUESTION FROM: Jake Trexel | 11 years ago BY: Jake Trexel
Engineering , Equation Solving , Graphics and Visualization , ...
8
REPLIES
9.5K
VIEWS

plotting motion of two charged particles

QUESTION FROM: Hayashi Yoshiaki | 11 years ago BY: Hayashi Yoshiaki
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
6.7K
VIEWS

How do I find all the zero's in a Conditional Expression for the given exp?

QUESTION FROM: Wayne Roest | 11 years ago BY: Bill Simpson
Algebra , Calculus , Equation Solving , Mathematica , Optimization , ...
4
REPLIES
6.2K
VIEWS

non-linear elliptic differential equation

QUESTION FROM: Irina Galstyan | 11 years ago BY: Irina Galstyan
Equation Solving , Mathematica , Numerical Computation , ...
2
REPLIES
3.9K
VIEWS

NDSolve syntax problem

QUESTION FROM: Tomas Nettl | 11 years ago BY: Tomas Nettl
Calculus , Equation Solving , Wolfram Language
2
REPLIES
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
7.7K
VIEWS

DAE error messages related to NDSolve command

QUESTION FROM: INTAN SUPRABA | 11 years ago BY: INTAN SUPRABA
Calculus , Civil Engineering , Equation Solving , Wolfram Language
2
REPLIES
9.9K
VIEWS

Solving a symbolic linear matrix equation

QUESTION FROM: Maxim Faber | 11 years ago BY: Maxim Faber
Algebra , Equation Solving , Wolfram Language
2
REPLIES
5.5K
VIEWS

how to write an NRSolve function ?

QUESTION FROM: Terry Heidelberg | 10 years ago BY: Roger Germundsson
Discrete Mathematics , Economics , Equation Solving , Mathematica , ...
2
REPLIES
10.2K
VIEWS

ODE - eigenvalue problem with integral condition

QUESTION FROM: Martin Kaisler | 11 years ago BY: Udo Krause
Calculus , Equation Solving , Mathematica
1
REPLIES
3.1K
VIEWS
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