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Numeric equation solving, calculus and statistics, precision and accuracy control for numeric computations...

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Simple IF statement with `$SystemWordLength` not working

QUESTION FROM: Jose Calderon | 11 years ago BY: Ilian Gachevski
Mathematica , Numerical Computation , Wolfram Language
4
REPLIES
5.3K
VIEWS

Strange behaviour of the FindMinimum function

QUESTION FROM: Antoine Bourget | 11 years ago BY: Antoine Bourget
Mathematica , Optimization , Numerical Computation , Wolfram Language
4
REPLIES
7.7K
VIEWS

0+a small number = 0 ???

QUESTION FROM: Jotwie | 11 years ago BY: Bill Simpson
Numerical Computation , Wolfram Language
4
REPLIES
5.6K
VIEWS

significant digits

QUESTION FROM: Bill Morgan | 11 years ago BY: Bill Simpson
Numerical Computation , Wolfram|Alpha
4
REPLIES
5.4K
VIEWS

How to simulate a low precision calculation?

QUESTION FROM: xslittlegrass * | 11 years ago BY: Daniel Lichtblau
Mathematica , Numerical Computation , Wolfram Language
4
REPLIES
10K
VIEWS

Efficient way to solve parametric equations?

QUESTION FROM: Julian Stuermer | 11 years ago BY: Updating Name
Equation Solving , Mathematica , Numerical Computation
4
REPLIES
6.7K
VIEWS

Numerical solution of one dimensional Schrodinger equation

QUESTION FROM: Mojtaba M | 11 years ago BY: Michael Hale
Calculus , Mathematica , Numerical Computation , Physics , ...
4
REPLIES
20.1K
VIEWS

How does FindRoot work?

QUESTION FROM: HIGINIO RAMOS | 11 years ago BY: Ilian Gachevski
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
7.9K
VIEWS

Optimization of Matrix-valued function

QUESTION FROM: Usman Rauf | 11 years ago BY: Usman Rauf
Mathematica , Optimization , Numerical Computation , Wolfram Language
4
REPLIES
7.1K
VIEWS

Appropriate method for numerical integration of InterpolatingFunction

QUESTION FROM: Konstantin Nosov | 11 years ago BY: Alexey Popkov
Mathematica , Numerical Computation , Wolfram Language
4
REPLIES
8.6K
VIEWS

Numerical Analysis of Non-linear Black Scholes using finite differences

QUESTION FROM: Anais Hulot | 12 years ago BY: Sander Huisman
Demonstrations , Economics , Finance , Mathematica , Mathematics , ...
4
REPLIES
17.7K
VIEWS

Changing differential equation during NDSolve evaluation

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
8.6K
VIEWS

Functional Programming for Non-linear Equations

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Biological Sciences , Chemistry , High-Performance Computing , ...
4
REPLIES
20.2K
VIEWS

How to solve a highly nonlinear PDE

QUESTION FROM: Yiyang Zhang | 12 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
6.4K
VIEWS

Is there a way to store the InterpolatingFunction object in a file?

QUESTION FROM: Shenghui Yang | 12 years ago BY: Shenghui Yang
Mathematica , Numerical Computation
4
REPLIES
5.3K
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 3 months ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.1K
VIEWS

Getting the Jacobian with FindRoot output

QUESTION FROM: Housam Binous | 4 months ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
801
VIEWS

Problems with iterative process

QUESTION FROM: Denis Ivanov | 7 months ago BY: Denis Ivanov
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
1.3K
VIEWS

Circular reference in differential equations

QUESTION FROM: Mishal Mohanlal | 11 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.8K
VIEWS

NSolve won't execute

QUESTION FROM: Leon Fairbanks | 11 months ago BY: Leon Fairbanks
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.9K
VIEWS

NDSolve debugging and help

QUESTION FROM: Ee Kin Chan | 0 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.2K
VIEWS

Extracting values from NDSolve

QUESTION FROM: Mishal Mohanlal | 1 year ago BY: Sangdon Lee
Algebra , Equation Solving , External Programs and Systems , ...
3
REPLIES
2.6K
VIEWS

NDSolve documentation example doesn't work on 14.1

QUESTION FROM: Pierre Dehez | 1 year ago BY: Pierre Dehez
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.8K
VIEWS

How do I tune my NDSolve code to start fast, so it can be run hundreds of times?

QUESTION FROM: Kaden Tro | 1 year ago BY: Gareth Russell
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.5K
VIEWS

Error 1/0 encountered while plotting solution of differential equations

QUESTION FROM: Vasile Riccardo Duceac | 1 year ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
2.2K
VIEWS

Why my IAE plot is off with respect to result by Dorf and Bishop?

QUESTION FROM: Housam Binous | 1 year ago BY: Housam Binous
Chemistry , Control Systems , Engineering , ...
3
REPLIES
2.2K
VIEWS

Volterra integral doesn't work

QUESTION FROM: Jabir Hakami | 1 year ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Physics , ...
3
REPLIES
1.6K
VIEWS

ParametricNDSolve error: Dependent variables cannot depend on parameters

QUESTION FROM: Carles Lopez | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
3.1K
VIEWS

NDSolve error:Equation or list of equations expected

QUESTION FROM: Anderson Coelho | 2 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.1K
VIEWS

Calculate the maximum possible value of dt

QUESTION FROM: James James | 2 years ago BY: James James
Optimization , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
2.6K
VIEWS

How to solve the Triple integral with limits numerically?

QUESTION FROM: Mohammed Saleh | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
1.9K
VIEWS

Problem about how to find a length related to the Nusselt number

QUESTION FROM: Fredom W. | 2 years ago BY: Otto Linsuain
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
3.4K
VIEWS

Using NMinimize over (non-convex) large problems

QUESTION FROM: Christian Vitale | 2 years ago BY: Daniel Lichtblau
Optimization , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
3K
VIEWS

Using a rule as an input to a function?

QUESTION FROM: Nir Livne | 2 years ago BY: Nir Livne
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
2.7K
VIEWS

How do I define and use variables within WhenEvent in NDSolve

QUESTION FROM: Kaden Tro | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation
3
REPLIES
3.8K
VIEWS

1D HeatTransfer problem reformulation

QUESTION FROM: Uwe Schlink | 2 years ago BY: Uwe Schlink
Calculus , Dynamic Interactivity , Equation Solving , ...
3
REPLIES
3.7K
VIEWS

What is the correct way to create an animation in parallel using NDSolve?

QUESTION FROM: Jonathan Aumann | 2 years ago BY: Jonathan Aumann
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
4.3K
VIEWS

Non-linear mathematical model containing double integral fit using DEA

QUESTION FROM: RAHUL KUMAR | 2 years ago BY: RAHUL KUMAR
Calculus , Data Science , Optimization , Mathematics , Modeling , ...
3
REPLIES
3.3K
VIEWS

How to solve system of 3 non-linear equations analytically and numerically?

QUESTION FROM: TAPENDER Thakur | 2 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
4.1K
VIEWS

Glider Launching DE equation solving

QUESTION FROM: Said Hafidh | 3 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
2K
VIEWS

Search for maximum of user defined function

QUESTION FROM: Emily O | 3 years ago BY: Emily O
Equation Solving , Optimization , Mathematics , ...
3
REPLIES
3.1K
VIEWS

Solving two coupled 1D advection equations - stability problem

QUESTION FROM: Olgierd Cichorek | 3 years ago BY: Olgierd Cichorek
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
3K
VIEWS

Writing power to an integral?

QUESTION FROM: M M | 3 years ago BY: M M
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
3.8K
VIEWS

Answer of NIntegrate is slightly different from the true value?

QUESTION FROM: M M | 3 years ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
3.3K
VIEWS

Unexpected solution in a DAE and DiscreteVariables?

QUESTION FROM: Art Arete | 3 years ago BY: xzczd 　
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
6.3K
VIEWS

Plotting functions within a Manipulate

QUESTION FROM: Mishal Mohanlal | 3 years ago BY: Mishal Mohanlal
Calculus , Dynamic Interactivity , Graphics and Visualization , ...
3
REPLIES
4.9K
VIEWS

ParametricNDSolve with Multiple Parameters

QUESTION FROM: Tim Sowinski | 3 years ago BY: Steady Mushayabasa
Calculus , Data Science , Equation Solving , Mathematics , Modeling , ...
3
REPLIES
5.9K
VIEWS

Using variable coefficients & getting approximate functions for NDsolve?

QUESTION FROM: Eli Morhayim | 4 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
3.4K
VIEWS

Can you parallelize a numerically solved Integral?

QUESTION FROM: sorabella91 | 4 years ago BY: Updating Name
Calculus , Equation Solving , High-Performance Computing , ...
3
REPLIES
6.5K
VIEWS

NSolve keeps running with no output?

QUESTION FROM: S Sarkar | 4 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
4.9K
VIEWS
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