Re: Fitting a function to a list (newbie)

*To*: mathgroup at smc.vnet.net*Subject*: [mg21876] Re: Fitting a function to a list (newbie)*From*: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>*Date*: Wed, 2 Feb 2000 22:54:32 -0500 (EST)*Organization*: Universitaet Leipzig*References*: <872jej$civ@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, the function from the standard packages: Statistics`NonliearFit`NonlinearFit[] will do what you want. Hope that helps Jens mathprof at bigfoot.com wrote: > > I'm new to Mathematica 4.0, so I apologize if this question is overly > trivial (and please let me know if there's a place for trivial > question). > > I have a list that I'd like to fit to the function: > > A + B*Sin[C*x+D] > > In other words, I'd like to find the (approximate numeric) values of > A,B,C,D that yield the best fit to my data. > > I tried using Fit[], but it only applies to linear combinations of > functions, and couldn't optomize the values of C and D. > > For this specific problem, I'm guessing some sort of Fourier transform > might work, but I'm interested in a more general solution -- for example > if Sin[] were replaced with a more complicated function. > > Any help appreciated! > > Sent via Deja.com http://www.deja.com/ > Before you buy.