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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...

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DSolve function provides unexpected solution?

QUESTION FROM: Brian Appleton | 9 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
5.8K
VIEWS

Is this definite integral solvable?

QUESTION FROM: Jan Krepela | 9 years ago BY: Mike Luntz
Equation Solving , Mathematics , Wolfram Language
8
REPLIES
10.7K
VIEWS

Find all possible combinations subject to a condition?

QUESTION FROM: Stuart Griffith | 9 years ago BY: Neil Singer
Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
6.3K
VIEWS

[?] Separate out the real and imaginary part and export data?

QUESTION FROM: Sreeraj T | 9 years ago BY: Sreeraj T
Algebra , Equation Solving , Import and Export , Mathematics , ...
6
REPLIES
10.4K
VIEWS

Find digital sums and digital roots?

QUESTION FROM: Geoffrey Marnell | 9 years ago BY: Geoffrey Marnell
Equation Solving , Mathematics , Wolfram Language
6
REPLIES
9.2K
VIEWS

Correct a NDSolve approach when an argument contains an InverseFunction?

QUESTION FROM: Mervin Hanson | 9 years ago BY: Mervin Hanson
Chemistry , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
10.5K
VIEWS

Solve two equations of motion?

QUESTION FROM: B Patel | 9 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
4.9K
VIEWS

Greatest integer solution to a factorial inequality?

QUESTION FROM: Eric Hiatt | 9 years ago BY: Carl Woll
Equation Solving , Mathematics , Wolfram Language
3
REPLIES
6.6K
VIEWS

Solve this equation?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
5K
VIEWS

Best NDSolve Methods for this equation?

QUESTION FROM: Fernando Garcia | 10 years ago BY: Fernando Garcia
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
9.3K
VIEWS

[GIF] Cloud (Configuration space of pentagons)

CONTRIBUTED BY: Clayton Shonkwiler | 10 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Equation Solving , Geometry , ...
1
REPLIES
17.7K
VIEWS

Interpret results of Extracting System Equations in SystemModeler?

QUESTION FROM: john massucci | 10 years ago BY: Malte Lenz
Control Systems , Curated Data , Equation Solving , Mathematica , ...
6
REPLIES
17.2K
VIEWS

Can Wolfram|Alpha be used by elementary and middle school math students?

QUESTION FROM: Thomas Turner | 10 years ago BY: Daniel Lichtblau
Algebra , Calculus , Computer-Based Maths , Education , ...
3
REPLIES
14.4K
VIEWS

Plot this result from Reduce?

QUESTION FROM: Frank Kampas | 10 years ago BY: Frank Kampas
Equation Solving , Graphics and Visualization , Mathematics , ...
7
REPLIES
4.3K
VIEWS

Linear Programming and Optimization

QUESTION FROM: Okkes Dulgerci | 10 years ago BY: Frank Kampas
Equation Solving , Optimization , Wolfram Language
11
REPLIES
10.9K
VIEWS

Finding the inverse of a mapping of a disk onto an airfoil

QUESTION FROM: SALIOU TELLY | 11 years ago BY: SALIOU TELLY
Equation Solving , Mathematics , Wolfram Language
13
REPLIES
10.1K
VIEWS

Help/Hints on finding the most "restrictive" equation in a set of equations

QUESTION FROM: Andreas Kohlmajer | 11 years ago BY: Andreas Kohlmajer
Computational Systems , Equation Solving
8
REPLIES
10.7K
VIEWS

I need help with a differential equation

QUESTION FROM: Ferenc Beleznay | 11 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
7.8K
VIEWS

When is f negative?

QUESTION FROM: Cara Vay | 11 years ago BY: Udo Krause
Algebra , Equation Solving , Wolfram Language
7
REPLIES
10.1K
VIEWS

Help me to solve the simultaneous equations

QUESTION FROM: Aadhi A | 11 years ago BY: Simon Cadrin
Algebra , Equation Solving , Wolfram Language
4
REPLIES
7.6K
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 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

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

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

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

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

code for solution of 2 algebraic equations

QUESTION FROM: farid khattak | 12 years ago BY: Recep Kahraman
Equation Solving , Mathematica
5
REPLIES
12.8K
VIEWS

How to solve these simultaneous equations?

QUESTION FROM: rr003035 | 12 years ago BY: David Keith
Algebra , Equation Solving , Mathematica , Wolfram Language
6
REPLIES
7.1K
VIEWS

Finding x-intercepts of epicycloid

QUESTION FROM: Bryan Lettner | 12 years ago BY: David Keith
Equation Solving , Geometry , Mathematica , Mathematics
4
REPLIES
6.8K
VIEWS

Why is '==' returning true, when used to define equations in NDSolve?

QUESTION FROM: Archos Argentum | 12 years ago BY: Ilian Gachevski
Equation Solving , Mathematica , Wolfram Language
2
REPLIES
7.4K
VIEWS

Problem using WhenEvent to constrain solution

QUESTION FROM: Julian Lovlie | 13 years ago BY: Nicolas Venuti
Engineering , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
25.4K
VIEWS

How to numerically compute an implicit equation?

QUESTION FROM: joaquin mendez | 13 years ago BY: joaquin mendez
Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
14.2K
VIEWS

Solve for x in -sin(x)8cos(x)=0?

QUESTION FROM: Andrue Stafford | 13 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica
4
REPLIES
9.4K
VIEWS

Problem with Piecewise Initial Conditions in NDSolve

QUESTION FROM: Danila Zharenkov | 13 years ago BY: Danila Zharenkov
Calculus , Equation Solving , Mathematica , Mathematics , ...
8
REPLIES
13.2K
VIEWS

Why does Mathematica not solve this simple integral (using units)?

QUESTION FROM: Simon P. | 13 years ago BY: Bruce Miller
Calculus , Engineering , Equation Solving , Mathematica
5
REPLIES
14.4K
VIEWS

The entropy bagel: complex roots of Littlewood polynomials

CONTRIBUTED BY: Ed Pegg | 27 days ago BY: Paul Abbott
Staff Picks , Algebra , Equation Solving , ...
2
REPLIES
419
VIEWS

Mathematical Games 37: Two Phi Psi Chi Rho (2 φ ψ χ ρ)

CONTRIBUTED BY: Ed Pegg | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Demonstrations , Dynamic Interactivity , ...
1
REPLIES
669
VIEWS

Introduction to dynamic economic models: the real business cycle model

CONTRIBUTED BY: Hee-Young Shin | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computational Systems , Economics , ...
1
REPLIES
521
VIEWS

Is the a precision loss due to export/import of numerical values?

QUESTION FROM: Leslaw Bieniasz | 3 months ago BY: Michael Rogers
Algebra , Calculus , Equation Solving , Numerical Computation
4
REPLIES
470
VIEWS

Introduction to dynamic economic models: Ricardo's rent-profit-wage income dynamics & business cycle

CONTRIBUTED BY: Hee-Young Shin | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computational Systems , Economics , ...
1
REPLIES
676
VIEWS

How to obtain such a result when solving the system of equations?

QUESTION FROM: Bill Blair | 3 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations
3
REPLIES
568
VIEWS

Application of unified transform (Fokas method) to one-dimensional heat equation on the half line

CONTRIBUTED BY: Athanasios Paraskevopoulos | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computer-Based Maths , Education , ...
1
REPLIES
776
VIEWS

Why is it impossible to derive the general term formula for this difference equation?

QUESTION FROM: Bill Blair | 4 months ago BY: Bill Blair
Algebra , Equation Solving , Symbolic Computations
5
REPLIES
656
VIEWS

Introduction to dynamic economic models: dynamic inflation models IV

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computational Systems , Economics , ...
1
REPLIES
658
VIEWS

Introduction to dynamic economic models: dynamic inflation models III

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Economics , Education , Equation Solving , ...
1
REPLIES
720
VIEWS

Introduction to dynamic economic models: Dynamic inflation models II

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Economics , Education , ...
1
REPLIES
616
VIEWS

Introduction to dynamic economic models: dynamic inflation models I

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Economics , Education , Equation Solving , ...
1
REPLIES
684
VIEWS

Introduction to dynamic economic models: the ISLM model with the capital stock and debt

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , ...
1
REPLIES
679
VIEWS

Introduction to dynamic economic models: The government's fiscal deficit and debt accumulation

CONTRIBUTED BY: Hee-Young Shin | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Calculus , Economics , Education , ...
1
REPLIES
721
VIEWS
10
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