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Re: [Help-gsl] 1st attempt at fitting a Gaussian function with GSL.


From: mail
Subject: Re: [Help-gsl] 1st attempt at fitting a Gaussian function with GSL.
Date: Wed, 21 Dec 2005 21:14:16 +0100

If Gaussian means s.th. like exp(-x^2) the I would first fit log(y) against
x and then refine (usually you want some weightings around the mean
to catch it better). If it means against the integral you will want to cut
off the tails first (and refine later).

On 20 Dec 2005 at 11:27, David Eric Miller wrote:

> Hi James,
> 
> The data consists of (x, y) pairs with an associated error on y.
> 
> Thanks,
> 
> -dave miller
> 
> 
> On Sat, 17 Dec 2005 13:00:25 -0600, James Bergstra  
> <address@hidden> wrote:
> 
> >> I need to fit a Gaussian function to an array of data points.
> >
> > What is the nature of your data? Are they just X values or X,Y pairs?
> >
> 
> 
> 
> 
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