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

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[?] Control the precision of the result with FindMinimum?

QUESTION FROM: Joao Porto | 7 years ago BY: Michael Rogers
Optimization , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
8.7K
VIEWS

Telling NDSolve to solve for reals only

QUESTION FROM: Josh Wofford | 10 years ago BY: Nasser M. Abbasi
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
1
REPLIES
8.7K
VIEWS

Obtain each residue with MultiNonlinearModelFit global analysis

QUESTION FROM: Hélène PASQUIER | 5 years ago BY: Hélène PASQUIER
Calculus , Chemistry , Mathematics , Modeling , ...
5
REPLIES
8.7K
VIEWS

Use the numbers found in an optimization problem somewhere else?

QUESTION FROM: Ovunc Yilmaz | 7 years ago BY: Ovunc Yilmaz
Business Analytics , Optimization , Mathematics , ...
3
REPLIES
8.7K
VIEWS

Function for Greatest Square Free Divisor of an Integer

QUESTION FROM: Steven Clark | 10 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
8.7K
VIEWS

Solve Boltzmann eq in 2D with NDSolve and the method of lines in less time?

QUESTION FROM: Ralph Trenkler | 9 years ago BY: Sam Carrettie
Equation Solving , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
8.7K
VIEWS

Strange behavior of Round[x_, .1] -- I want Round[2.40, .1] to be 2.4

QUESTION FROM: Elaine Kant | 10 years ago BY: John Doty
Mathematica , Mathematics , Numerical Computation
7
REPLIES
8.7K
VIEWS

Is there a package in Mathematica about solving fractional order diff.eqns?

QUESTION FROM: Hamza El Mahjour | 2 years ago BY: Hamza El Mahjour
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
8.6K
VIEWS

Is the "reverse factoring" counter behavior computationally irreducible?

QUESTION FROM: Alberto Orioli | 7 years ago BY: Daniel Lichtblau
Computational Systems , Computer Science , Mathematics , ...
5
REPLIES
8.6K
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
8.6K
VIEWS

Issues on the following numerical integration?

QUESTION FROM: Mike Luntz | 6 years ago BY: Mike Luntz
Mathematics , Numerical Computation , Packages , Wolfram Language
4
REPLIES
8.6K
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

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

[?] Use the solution of FindRoot as a integrate limit?

QUESTION FROM: Yonggang Luo | 8 years ago BY: Patrick Scheibe
Algebra , Calculus , Equation Solving , Mathematics , ...
3
REPLIES
8.6K
VIEWS

Increase the precision of calculations without SetPrecision in every step?

QUESTION FROM: Maha Youssef | 7 years ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
8.6K
VIEWS

Best NDSolve Methods for this equation?

QUESTION FROM: Fernando Garcia | 9 years ago BY: Fernando Garcia
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
8.6K
VIEWS

Question about numerical integration

QUESTION FROM: Kat Z | 9 years ago BY: Sander Huisman
Calculus , Challenges , Engineering , Equation Solving , ...
1
REPLIES
8.6K
VIEWS

Accuracy and Precision in NIntegrate

QUESTION FROM: Luther Nayhm | 12 years ago BY: Anton Antonov
Mathematica , Numerical Computation
2
REPLIES
8.6K
VIEWS

Portfolio Optimization - FindMinimum vs NMinimize

QUESTION FROM: Tim Mayes | 11 years ago BY: Frank Kampas
Finance , Mathematica , Optimization , Numerical Computation , ...
3
REPLIES
8.6K
VIEWS

Plot and numerically integrate a function?

QUESTION FROM: Alessio Lapolla | 9 years ago BY: Alessio Lapolla
Graphics and Visualization , Mathematics , Numerical Computation , ...
4
REPLIES
8.5K
VIEWS

Plot the elliptical orbit from a Lagrangian?

QUESTION FROM: leonia dasilva | 7 years ago BY: Frank Kampas
Astronomy , Calculus , Equation Solving , ...
2
REPLIES
8.5K
VIEWS

[?] Use implicit region definition?

QUESTION FROM: Mike Luntz | 6 years ago BY: Mike Luntz
Geometry , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
8.5K
VIEWS

Maximize values using a grid search?

QUESTION FROM: Sanghoon Cho | 7 years ago BY: Frank Kampas
Algebra , Calculus , Equation Solving , Optimization , Mathematics , ...
2
REPLIES
8.5K
VIEWS

Has anyone seen a bug with NDSolve using both Floor and a transformation?

QUESTION FROM: Jamby Humbert | 11 years ago BY: Sean Clarke
Equation Solving , Mathematica , Modeling , Numerical Computation
1
REPLIES
8.5K
VIEWS

Find global and local optima of a function?

QUESTION FROM: Valeriu Ungureanu | 8 years ago BY: Valeriu Ungureanu
Calculus , Optimization , Mathematics , Numerical Computation , ...
5
REPLIES
8.5K
VIEWS

Evaluate numerically trigonometric functions?

QUESTION FROM: Jon Frey | 9 years ago BY: Jon Frey
Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
8.5K
VIEWS

Table command not obeying limits

QUESTION FROM: Berthold Bäuml | 10 years ago BY: John Doty
Mathematica , Numerical Computation , Wolfram Language
17
REPLIES
8.4K
VIEWS

Speeding up Interpolated function computation?

QUESTION FROM: Nabeel Butt | 10 years ago
Compilation , Mathematica , Numerical Computation , ...
0
REPLIES
8.4K
VIEWS

Fitting Complex-valued data with NonlinearModelFit.

QUESTION FROM: W. Craig Carter | 12 years ago BY: W. Craig Carter
Mathematica , Numerical Computation
2
REPLIES
8.4K
VIEWS

Plot solution curves from a differential equation?

QUESTION FROM: Kai Miller | 9 years ago BY: Udo Krause
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
8.4K
VIEWS

WhenEvent issue with vector valued diffeq

QUESTION FROM: David Keith | 11 years ago BY: David Keith
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
4
REPLIES
8.3K
VIEWS

How can I remove Internal precision error and get the better result?

QUESTION FROM: Mirza Farrukh Baig | 5 years ago BY: Gianluca Gorni
High-Performance Computing , Numerical Computation , Wolfram Language
5
REPLIES
8.3K
VIEWS

Avoid this error "NDSolve::deqn: Equation or list of equations expected "?

QUESTION FROM: Ser Man | 7 years ago BY: Ser Man
Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
8.3K
VIEWS

Numerical Error with Matrix operations

QUESTION FROM: Gordon | 11 years ago BY: Gordon
Algebra , Numerical Computation , Wolfram Language
8
REPLIES
8.3K
VIEWS

Stopping Integration by using RegionMember inside a WhenEvent

QUESTION FROM: Erik Mahieu | 11 years ago BY: Erik Mahieu
Dynamic Interactivity , Geometry , Modeling , Numerical Computation , ...
2
REPLIES
8.3K
VIEWS

Improve this relatively simple FindRoot code?

QUESTION FROM: Todor Latev | 7 years ago BY: Michael Rogers
Algebra , Calculus , Equation Solving , Mathematics , ...
4
REPLIES
8.3K
VIEWS

Find multinominal maximum with NMaximize?

QUESTION FROM: Alex Graham | 7 years ago BY: Frank Kampas
Optimization , Mathematics , Numerical Computation , Wolfram Language
10
REPLIES
8.3K
VIEWS

Use NDSolve with finite element method for a transient conduction problem?

QUESTION FROM: Kesihain Selvarajoo | 6 years ago BY: Alexander Trounev
Mathematics , Numerical Computation , Physics , Wolfram Language
1
REPLIES
8.2K
VIEWS

Optimal exponential smoothing: Why is NMinimize so slow?

QUESTION FROM: Michael Puhle | 11 years ago BY: Michael Puhle
Mathematica , Optimization , Numerical Computation , ...
4
REPLIES
8.2K
VIEWS

Estimating parameters based on lists of boundary conditions

QUESTION FROM: Julian Lovlie | 10 years ago BY: Jim Baldwin
Equation Solving , Mathematica , Optimization , Mathematics , ...
1
REPLIES
8.2K
VIEWS

[?] Force Manipulate[] outputs to be reals instead of complex numbers?

QUESTION FROM: Dave Markham | 6 years ago BY: Dave Markham
Calculus , Dynamic Interactivity , Mathematics , ...
3
REPLIES
8.2K
VIEWS

Solve the following non-linear integer max-problem with NMaximize?

QUESTION FROM: Christos Papahristodoulou | 7 years ago BY: Frank Kampas
Equation Solving , Optimization , Mathematics , ...
8
REPLIES
8.2K
VIEWS

How to find all multi-indices satisfying given contraints?

QUESTION FROM: Jonatan Lehtonen | 11 years ago BY: Jonatan Lehtonen
Algebra , Mathematica , Numerical Computation , Wolfram Language
10
REPLIES
8.2K
VIEWS

Handle two 3 rows x 2 columns matrices in NonlinearModelFit?

QUESTION FROM: Jun Hui Yeoh | 9 years ago BY: Will Smith
Data Science , Mathematics , Modeling , Numerical Computation , ...
7
REPLIES
8.2K
VIEWS

Make NMinimize use a variant of Differential Evolution for Optimization?

QUESTION FROM: Gaurav Saxena | 6 years ago BY: Gaurav Saxena
Computer Science , Engineering , Optimization , Mathematics , ...
5
REPLIES
8.2K
VIEWS

Get solutions to the gauged GL vortices in (1+1) dimensions?

QUESTION FROM: Benjamin Leather | 7 years ago BY: Paritosh Mokhasi
Equation Solving , Mathematics , Numerical Computation , Physics , ...
8
REPLIES
8.1K
VIEWS

Error in NonlinearModelFit with a trig function

QUESTION FROM: syed islam | 9 years ago BY: syed islam
Equation Solving , Optimization , Modeling , Numerical Computation , ...
9
REPLIES
8.1K
VIEWS

Solve f(X)=0 where X is a matrix and f(X) is a complex matrix?

QUESTION FROM: Massa Ndong | 8 years ago BY: Bill Simpson
Equation Solving , Mathematics , Numerical Computation , ...
10
REPLIES
8.1K
VIEWS

Numerical solution of multicomponent difussion in mineral

QUESTION FROM: Konstantin Solovev | 5 years ago BY: Konstantin Solovev
Earth Science , Graphics and Visualization , Mathematics , ...
7
REPLIES
8.1K
VIEWS

Avoid trouble with NDSolve and dependent variables?

QUESTION FROM: Isaac Lee | 7 years ago BY: Alexander Trounev
Calculus , Dynamic Interactivity , Equation Solving , Mathematics , ...
7
REPLIES
8.1K
VIEWS
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