---------- Forwarded message ----------
From: Janarthanan Krishnamoorthy <address@hidden>
Date: Fri, Jun 21, 2013 at 2:37 PM
Subject: Re: Your confirmation is required to join the Help-gsl mailing list
To: address@hidden
Dear GSL,
I have been using your library for a while. I had issues with numerically
fitting a function for Levenberg-Marquadt algorithm. I recently found that
by implementing 'Jacobian' calculation numerically with GSL LVM algorithm,
helped me solve my problem. I would like to contribute to GSL in this
aspect.
As an example i have attached some sample fit for an exponential, parabolic
and squareroot functions whose Jacobian are solved numerically during LVM
fit.
Compilation :
gcc -o LVM_primer LVM_primer.c -lm -lgsl -lgslcblas
'LVM_primer' calls 'LVM_algorithm_modified.c'
'Data' is the data file with x,y
'Limit' is the initial guess for the parameters to fit
Best regards,
Jana.K
'
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