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alternative to CURVEFIT function [message #84380] Wed, 29 May 2013 08:19
fd_luni is currently offline  fd_luni
Messages: 66
Registered: January 2013
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Hi all

I was wondering if anyone knows an alternative function of CURVEFIT. If I am not mistaken the CURVEFIT uses the Levenberg-Marquart algorithm. I need to use a different algorithm which provides a numerical solution to the problem of minimising a function, generally non-linear.
Nelder–Mead method and Newton-Raphson are some choices but I was wondering if there is a function in IDL like the CURVEFIT.

With Thanks
M

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