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

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Algorithm Input, and waveform manipulation.

QUESTION FROM: richard Rosendorff | 11 years ago BY: Sean Clarke
Earth Science , Mathematica , Numerical Computation , ...
1
REPLIES
7.1K
VIEWS

Numerical integration over x as a function of parameter g

QUESTION FROM: Luke Schutzenhofer | 11 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Numerical Computation , Wolfram Language
2
REPLIES
6.6K
VIEWS

Derivative of a list of data values

QUESTION FROM: INTAN SUPRABA | 5 years ago BY: Updating Name
Calculus , Mathematica , Numerical Computation , Wolfram Language
6
REPLIES
30K
VIEWS

Speeding up the FindMinimum function

QUESTION FROM: Matty Mookerjee | 11 years ago BY: Daniel Lichtblau
Mathematica , Optimization , Numerical Computation , Wolfram Language
8
REPLIES
13.2K
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

Interpolating Function returns unevaluated for some inputs in its domain

QUESTION FROM: David Keith | 11 years ago BY: David Reiss
Graphics and Visualization , Numerical Computation , Wolfram Language
5
REPLIES
8K
VIEWS

Optimization without generating a huge analytical expression?

QUESTION FROM: anon ymous | 11 years ago BY: Updating Name
Algebra , Mathematica , Optimization , Numerical Computation , ...
2
REPLIES
5K
VIEWS

Taking the Best Fit of a Picture of the intensity of a beam?

QUESTION FROM: Keith Osborne | 11 years ago BY: Keith Osborne
Graphics and Visualization , Mathematica , Mathematics , ...
1
REPLIES
10.9K
VIEWS

significant digits

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

My program keeps outputting the input! Help!

QUESTION FROM: kiet ngo | 11 years ago BY: Bill Simpson
Mathematica , Optimization , Mathematics , Numerical Computation , ...
10
REPLIES
9.6K
VIEWS

Thoroughly confused by NDSolve

QUESTION FROM: Phil Tooley | 11 years ago BY: Frank Kampas
Equation Solving , Mathematica , Mathematics , ...
1
REPLIES
4.9K
VIEWS

Why is CUDA slow for me?

QUESTION FROM: B R | 11 years ago BY: B R
High-Performance Computing , Mathematica , Numerical Computation , ...
2
REPLIES
7.5K
VIEWS

FindFit function question on NormFunction option

QUESTION FROM: aykut elmas | 11 years ago BY: Frank Kampas
Mathematica , Optimization , Numerical Computation , Wolfram Language
1
REPLIES
4.4K
VIEWS

How to simulate a low precision calculation?

QUESTION FROM: xslittlegrass * | 11 years ago BY: Daniel Lichtblau
Mathematica , Numerical Computation , Wolfram Language
4
REPLIES
10.1K
VIEWS

?NumericQ for NMaximize NIntegrate ?

QUESTION FROM: Thibault Michel | 11 years ago BY: Sean Clarke
Calculus , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
5.7K
VIEWS

FindRoot troubles

QUESTION FROM: Michael Paterson | 11 years ago BY: Michael Paterson
Equation Solving , Mathematica , Numerical Computation , ...
8
REPLIES
8K
VIEWS

Precision of N command

QUESTION FROM: ga3 | 11 years ago BY: David Reiss
Numerical Computation , Wolfram Language
1
REPLIES
1.5K
VIEWS

Verifying extracted curve fitting parameters.

QUESTION FROM: Ram K | 11 years ago BY: Ram K
Optimization , Numerical Computation , Wolfram Language
5
REPLIES
6.1K
VIEWS

How to choose a solution

QUESTION FROM: Oscar Boher | 11 years ago BY: Christopher French
Dynamic Interactivity , Graphics and Visualization , Mathematica , ...
3
REPLIES
5.6K
VIEWS

Efficient way to solve parametric equations?

QUESTION FROM: Julian Stuermer | 11 years ago BY: Updating Name
Equation Solving , Mathematica , Numerical Computation
4
REPLIES
6.8K
VIEWS

How to do numerical integration from data set?

QUESTION FROM: luke schutzenhofer | 11 years ago BY: Sean Clarke
Calculus , Numerical Computation , Wolfram Language
7
REPLIES
15.4K
VIEWS

Solving the Fisher-KPP equation with NDSolve and Method of lines/NDSolve

QUESTION FROM: William Schacht | 11 years ago BY: Sam Carrettie
Calculus , Numerical Computation , Wolfram Language
1
REPLIES
6.9K
VIEWS

How can I write a simple program to give several outputs for 2 inputs?

QUESTION FROM: Drew Hammerman | 11 years ago BY: Mirek M
Dynamic Interactivity , Equation Solving , Numerical Computation , ...
3
REPLIES
7.5K
VIEWS

Table Command Not Working as Expected

QUESTION FROM: Tim Mayes | 11 years ago BY: Tim Mayes
Mathematica , Numerical Computation
3
REPLIES
4.1K
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
20.2K
VIEWS

Numerical Integration, FEM application

QUESTION FROM: Amir Delgoshaie | 11 years ago BY: Bill Simpson
Calculus , Engineering , Mathematica , Numerical Computation
1
REPLIES
6.3K
VIEWS

Extrapolation from the InterpolatingFunction produced by NDSolve

QUESTION FROM: Josh Wofford | 11 years ago BY: David Reiss
Calculus , Mathematica , Numerical Computation
1
REPLIES
3.6K
VIEWS

Solving Interpolating Function

QUESTION FROM: Amy Gordon | 11 years ago BY: Ilian Gachevski
Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
4.2K
VIEWS

numeric computation of maxima of a function

QUESTION FROM: ralf rueckriemen | 11 years ago BY: Frank Kampas
Algebra , Mathematica , Numerical Computation , Wolfram Language
1
REPLIES
3.8K
VIEWS

Quickly simulate values and evaluate

QUESTION FROM: Casper YC | 11 years ago BY: Mark Dooris
Mathematica , Numerical Computation , Wolfram Language
2
REPLIES
6K
VIEWS

Fits with differential equation

QUESTION FROM: Gael PATTON | 11 years ago BY: S M Blinder
Calculus , Mathematica , Numerical Computation , Physics
1
REPLIES
2.9K
VIEWS

FindFit built-in symbol: error doesn't make sense

QUESTION FROM: Ram K | 11 years ago BY: Ram K
Mathematica , Optimization , Mathematics , Numerical Computation
5
REPLIES
6.2K
VIEWS

How does FindRoot work?

QUESTION FROM: HIGINIO RAMOS | 11 years ago BY: Ilian Gachevski
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
8K
VIEWS

General 2D surfaces from axial behaviour and discrete off-axis points

QUESTION FROM: Art Knifton | 11 years ago BY: Sean Clarke
Mathematica , Mathematics , Numerical Computation
3
REPLIES
1.8K
VIEWS

FindMaximum huge divergence from expected results

QUESTION FROM: Henry Banks | 11 years ago BY: Bill Simpson
Equation Solving , Mathematica , Numerical Computation , ...
3
REPLIES
6.3K
VIEWS

I want to perform simple math on very large numbers, how?

QUESTION FROM: Jeffrey Robinson | 11 years ago BY: Jeffrey Robinson
Numerical Computation , Wolfram|Alpha
6
REPLIES
14.4K
VIEWS

How to find global minimum value for big, exact objective function

QUESTION FROM: Usman Rauf | 11 years ago BY: Bill Simpson
Equation Solving , Mathematica , Numerical Computation , ...
3
REPLIES
5.7K
VIEWS

SetPrecision

QUESTION FROM: Moses Tenne | 11 years ago BY: Moses Tenne
Mathematica , Numerical Computation
5
REPLIES
6.2K
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

NDSolvePDE

QUESTION FROM: selahittin cinar | 11 years ago BY: Sean Clarke
Mathematica , Mathematics , Numerical Computation
3
REPLIES
4.9K
VIEWS

Gaussian+Lorentzian Fitting?

QUESTION FROM: Gregorio Martinez | 11 years ago BY: Gregorio Martinez
Graphics and Visualization , Mathematica , Numerical Computation , ...
2
REPLIES
14.9K
VIEWS

Optimize Function Module using NMinimize

QUESTION FROM: brama gatech | 11 years ago BY: brama gatech
Mathematica , Numerical Computation , Tuning and Debugging , ...
15
REPLIES
11.2K
VIEWS

Method for unique collisions between 2 subdivided ellipsoids

QUESTION FROM: Michel Van de gaer | 11 years ago BY: Michel Van de gaer
Game Development , Geometry , Graphics and Visualization , ...
1
REPLIES
7.1K
VIEWS

How to solve second order nonlinear partial differential equation?

QUESTION FROM: Opeoluwa | 11 years ago BY: Bruce Miller
Calculus , Mathematica , Numerical Computation , Wolfram Language
1
REPLIES
5.1K
VIEWS

Mathematica evaluates numerical functions symbolically. How can I stop it?

QUESTION FROM: David Golber | 3 years ago BY: John G
Mathematica , Numerical Computation , Wolfram Language
4
REPLIES
14.5K
VIEWS

Mathematica tries to evaluate numerical functions symbolically.

QUESTION FROM: David Golber | 11 years ago BY: Michael Gmirkin
Mathematica , Numerical Computation , Wolfram Language
3
REPLIES
11.7K
VIEWS

How does Mathematica's Table function iterate equations?

QUESTION FROM: Matt Bergman | 10 years ago BY: Jonathan Miller
Mathematica , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
17.2K
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
8.7K
VIEWS

How to use Module with NSolve?

QUESTION FROM: A BC | 11 years ago BY: A BC
Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
6.4K
VIEWS

FindMinimum returning different results when used inside a function

QUESTION FROM: Joshua Dempster | 11 years ago BY: Frank Kampas
Mathematica , Numerical Computation
1
REPLIES
1.9K
VIEWS

How do I calculate terms in a recursive relationship of multiple variables?

QUESTION FROM: Matt Aggleton | 11 years ago BY: Marco Thiel
Modeling , Numerical Computation , Tuning and Debugging , ...
1
REPLIES
5.6K
VIEWS

In OpenCL, how is problem dimensionality specified?

QUESTION FROM: Chris Rose | 11 years ago BY: Chris Rose
High-Performance Computing , Image Processing , ...
1
REPLIES
5.2K
VIEWS

Getting Integrate to produce the simple analytic result

QUESTION FROM: Stanton Peale | 11 years ago BY: Marco Thiel
Mathematica , Mathematics , Numerical Computation
2
REPLIES
3.5K
VIEWS

Num. Solution of Partial Differential Eq.--The Numerical Method of Lines

QUESTION FROM: selahittin cinar | 11 years ago BY: selahittin cinar
Mathematica , Mathematics , Numerical Computation
2
REPLIES
3.2K
VIEWS

A simple question on distributive property of floating-point arithmetic

QUESTION FROM: Gregory Fridman | 11 years ago BY: Ilian Gachevski
Mathematica , Numerical Computation
1
REPLIES
5.3K
VIEWS

NIntegrate Error?

QUESTION FROM: Ryan Simone | 11 years ago BY: Ilian Gachevski
Calculus , Mathematica , Numerical Computation , Wolfram Language
3
REPLIES
4.4K
VIEWS

Recreating functions after passing through Fourier Transform & IFT

QUESTION FROM: Eric Kjolsing | 11 years ago BY: Stefan Janecek
Mathematica , Numerical Computation
6
REPLIES
9.2K
VIEWS

Taking Derivatives of Experimental Data

QUESTION FROM: A Johnson | 11 years ago BY: David Reiss
Calculus , Mathematica , Numerical Computation , Physics
5
REPLIES
6.3K
VIEWS

AccuracyGoal in NIntegrate puzzle

QUESTION FROM: Luther Nayhm | 11 years ago BY: Luther Nayhm
Mathematica , Numerical Computation
5
REPLIES
6K
VIEWS

How do I use NDSolve within a Do loop?

QUESTION FROM: Henry Banks | 11 years ago BY: Michael Rogers
Equation Solving , Mathematica , Mathematics , ...
6
REPLIES
15.7K
VIEWS

Bottlenecking Code

QUESTION FROM: Jake Smith | 11 years ago BY: Michael Rogers
Mathematica , Numerical Computation , Physics , Tuning and Debugging
2
REPLIES
17.7K
VIEWS

NDSolve ODE variable should not go below zero

QUESTION FROM: Renee Dale | 11 years ago BY: Sean Clarke
Equation Solving , Mathematica , Mathematics , Numerical Computation
1
REPLIES
13.4K
VIEWS

Avoiding integral overflow computation?

QUESTION FROM: D K | 11 years ago BY: Sean Clarke
Calculus , Mathematica , Numerical Computation , Physics
1
REPLIES
10.5K
VIEWS

Interpolation, unstructured grids, and interpolation order

QUESTION FROM: W. Craig Carter | 1 year ago BY: Michael Rogers
Mathematica , Numerical Computation
7
REPLIES
18.4K
VIEWS

Numerical integration

QUESTION FROM: salangnew | 11 years ago BY: salangnew
Mathematica , Mathematics , Numerical Computation
6
REPLIES
12.1K
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
8.6K
VIEWS

LeastSquares inconsistencies: Array and SparseArray objects of Complex Nums

QUESTION FROM: Todor Latev | 11 years ago BY: Todor Latev
Mathematica , Mathematics , Numerical Computation , ...
2
REPLIES
11K
VIEWS

Using CUDA Function Load and C compiler error Red Hat RHEL 6.5

QUESTION FROM: Jose Calderon | 11 years ago
High-Performance Computing , Mathematica , Numerical Computation , ...
0
REPLIES
4.8K
VIEWS

Precision vs accuracy in displaying result of numerical calculation

QUESTION FROM: Raymond Low | 3 years ago BY: Michael Rogers
Mathematics , Numerical Computation , Wolfram Language
12
REPLIES
15.9K
VIEWS

Accuracy and Precision in NIntegrate

QUESTION FROM: Luther Nayhm | 12 years ago BY: Anton Antonov
Mathematica , Numerical Computation
2
REPLIES
8.7K
VIEWS

How to solve this simple non-linear equation numerically with Abs[]?

QUESTION FROM: Felix | 12 years ago BY: Bill Simpson
Algebra , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
7.7K
VIEWS

Help me -- meprec problem

QUESTION FROM: Ain Ariff | 12 years ago BY: Daniel Lichtblau
Mathematica , Mathematics , Numerical Computation
6
REPLIES
12.8K
VIEWS

Is it possible to optimize (watch the code below) NIntegrate?

QUESTION FROM: Peter Parfenov | 12 years ago BY: Peter Parfenov
Optimization , Numerical Computation
3
REPLIES
9.9K
VIEWS

Integration after importing data, how to set the variables

QUESTION FROM: Chenyen Lee | 12 years ago BY: Paul Cleary
Mathematica , Numerical Computation
6
REPLIES
12.3K
VIEWS

How can I automate parameter sensitivity?

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Equation Solving , Mathematica , Numerical Computation
1
REPLIES
4.9K
VIEWS

How to solve General Stop?

QUESTION FROM: Ain Ariff | 12 years ago BY: Ain Ariff
Mathematica , Mathematics , Numerical Computation
2
REPLIES
10.9K
VIEWS

Problem using WhenEvent to constrain solution

QUESTION FROM: Julian Lovlie | 12 years ago BY: Nicolas Venuti
Engineering , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
24.6K
VIEWS

How to numerically compute an implicit equation?

QUESTION FROM: joaquin mendez | 12 years ago BY: joaquin mendez
Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
13.4K
VIEWS

How do I make this summation numerical?

QUESTION FROM: Luke Foley | 12 years ago BY: Bill Simpson
Mathematica , Numerical Computation , Wolfram Language
7
REPLIES
6.5K
VIEWS

Finding a specific curve fitting a set of points

QUESTION FROM: S K | 12 years ago BY: Sam Carrettie
Mathematica , Numerical Computation
2
REPLIES
5.3K
VIEWS

Get the precise value of 2^0.3

QUESTION FROM: yongran kim | 12 years ago BY: Hans Milton
Mathematica , Numerical Computation
9
REPLIES
10.9K
VIEWS

How to export an animation for a numerically solved system

QUESTION FROM: Lucas Morales | 12 years ago BY: Sam Carrettie
Dynamic Interactivity , Graphics and Visualization , ...
6
REPLIES
9.5K
VIEWS

NonlinearModelFit screws up the fit when facing constraints

QUESTION FROM: Marcel Rothfelder | 12 years ago BY: Udo Krause
Chemistry , Mathematica , Modeling , Numerical Computation
1
REPLIES
16K
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
17.8K
VIEWS

Solve Nonlinear 2nd Order Partial Differential Equation Numerically?

QUESTION FROM: Chirag Agrawal | 12 years ago BY: Chirag Agrawal
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
16.1K
VIEWS

How can I truncate the fractional part of a number in base 2?

QUESTION FROM: Hairy Thoughter | 12 years ago BY: Sander Huisman
Mathematica , Mathematics , Numerical Computation , ...
1
REPLIES
10.8K
VIEWS

Iteration to solve det(l^2M+K)=0: error with ReplaceAll

QUESTION FROM: Clemence Bacquet | 12 years ago BY: Sander Huisman
Equation Solving , Numerical Computation , Tuning and Debugging , ...
2
REPLIES
12.7K
VIEWS

NMaximize gets different results on different runs; must Quit and restart

QUESTION FROM: Mauricio Lobos | 12 years ago BY: Mauricio Lobos
Mathematica , Numerical Computation
8
REPLIES
6.8K
VIEWS

Problem with Piecewise Initial Conditions in NDSolve

QUESTION FROM: Danila Zharenkov | 12 years ago BY: Danila Zharenkov
Calculus , Equation Solving , Mathematica , Mathematics , ...
8
REPLIES
12.8K
VIEWS

Simultaneously Fit Multiple Data Sets

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Mathematica , Numerical Computation , Statistics and Probability
3
REPLIES
13.7K
VIEWS

How do I find x in a polynomial when x is approximate?

QUESTION FROM: Bobby Joe Snyder | 11 years ago BY: Bobby Joe Snyder
Equation Solving , Mathematica , Numerical Computation , ...
22
REPLIES
24.3K
VIEWS

A graphical solution of two equations is possible. Numerically, too?

QUESTION FROM: Niels Nutzer | 12 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematica , Mathematics , ...
3
REPLIES
6.7K
VIEWS

Changing differential equation during NDSolve evaluation

QUESTION FROM: Pat Mac | 12 years ago BY: Pat Mac
Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
8.7K
VIEWS

Finding the actual wind power at a location for a given period?

QUESTION FROM: Daniel Connell | 9 years ago BY: Nicholas Teague
Environmental Science , Mathematics , Numerical Computation , ...
5
REPLIES
24.5K
VIEWS

How to solve Wave Equation numerically?

QUESTION FROM: Matthias Redies | 12 years ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematica , Mathematics , ...
2
REPLIES
9.8K
VIEWS

Using decimals in recurrence tables

QUESTION FROM: Zack deZorro | 12 years ago BY: Zack deZorro
Mathematica , Numerical Computation
2
REPLIES
5.5K
VIEWS

Fitting Complex-valued data with NonlinearModelFit.

QUESTION FROM: W. Craig Carter | 12 years ago BY: W. Craig Carter
Mathematica , Numerical Computation
2
REPLIES
8.5K
VIEWS

Heat Transfer Problem

QUESTION FROM: Jon T | 12 years ago BY: Jon T
Calculus , Engineering , Equation Solving , Mathematica , ...
10
REPLIES
25.8K
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
20.3K
VIEWS

3 parameter Weibull distribution integration issues

QUESTION FROM: Chen-Ping Yu | 12 years ago BY: Youngjoo Chung
Calculus , Computer Science , Equation Solving , Mathematica , ...
5
REPLIES
11.2K
VIEWS
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