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From luc.maison...@free.fr
Subject Re: [Math] Levenberg Marquardt Help
Date Mon, 31 Jan 2011 08:41:32 GMT

----- "Ole Ersoy" <ole.ersoy@gmail.com> a écrit :

> Hi,

Hi Ole,

> 
> I'm trying to fit a normal distribution to a curve (I'm assuming the
> LM Optimizer is a good tool for this).  Is there a generic approach
> that lets me construct a Jacobian or do I need specialized knowledge
> of the function in order to do this?

There is a special packe for curve fitting in Apache Commons Math:
org.apache.commons.math.optimization.fitting. Since July 2010, this
package contains a dedicated GaussFitter classIn the subversion repository
(and hence in the upcoming 2.2 release). See <https://issues.apache.org/jira/browse/MATH-400>.

best regards,
Luc

> 
> TIA,
> - Ole
> 
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