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Re: [Help-gsl] Nonlinear fitting

From: Marco Maggi
Subject: Re: [Help-gsl] Nonlinear fitting
Date: Fri, 04 Jul 2014 08:11:06 +0200

address@hidden wrote:

> Hi,
> I am trying to fit the nonlinear equation:
> P = C0 + C1*X + C2*X^r
> where C0, C1, C2 and r are variables to be fitted, P and X are vectors
> of known observations.
> I have read the docs and I'm trying to modify the example program. I'm
> struggling to provide the expb_f, expb_df, expb_fdf functions.
> I would like advice on how to proceed.

Can  you  post a  short  version  of  the program  you  have
composed so far?
"Now feel the funk blast!"
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