Re: Fitting a function to a list (newbie)

*To*: mathgroup at smc.vnet.net*Subject*: [mg21883] Re: [mg21851] Fitting a function to a list (newbie)*From*: "Mark Harder" <harderm at ucs.orst.edu>*Date*: Wed, 2 Feb 2000 22:54:38 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

Dear Mathprof; See the Function NonlinearFit[] in the Help browser under Add-ons>Standard Packages>Statistics>NonlinearFit. -mark harderm at ucs.orst.edu -----Original Message----- From: mathprof at bigfoot.com <mathprof at bigfoot.com> To: mathgroup at smc.vnet.net Subject: [mg21883] [mg21851] Fitting a function to a list (newbie) >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. >