fit nonlinear model to data - better way to code it?
Subject: fit nonlinear model to data - better way to code it?
From: Raymond Toy
Date: Thu, 17 May 2012 16:36:20 -0700
On Thu, May 17, 2012 at 12:25 PM, Ether Jones <maxima at etherjones.us> wrote:
>
>
> p:[p1,p2,p3]$
> f(x):=p[1]+p[2]/(x-p[3])$
>
I guess this actually works, but p is supposed to be a list of the
parameters and f(x) should be an expression containing the parameters:
f(x) := p1 + p2/(x-p3)
minpack(f(x)-y,[p1,p2,p3],guess);
Ray