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Re: minimization routine
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Re: minimization routine


  • Subject: Re: minimization routine
  • From: Bernard Bernu <email@hidden>
  • Date: Wed, 24 Aug 2005 20:23:14 +0200

Thanks for responding.

Thanks to Benjamin and Tommy who suggested to use gsl. I did used it and I'm fully satistfied with it.
I recommand that library that I used already a while ago for special function and very nice integration routines. I should have recall it.


Bernard
Le 24 août 05, à 20:09, Mark Bessey a écrit :

On Aug 24, 2005, at 12:46 AM, Bernard Bernu wrote:

Hi,
I'm looking for routines to find a minimum of an analytical non linear function of many parameters. Is there some existing library already available on the Mac OSX.3 or 4?
Bernard

I don't know of an existing library for Mac OS X, but the most commonly-used algorithm I know of is fairly straightforward to implement from scratch:
http://en.wikipedia.org/wiki/Nelder-Mead_method


The Simplex method (as it's also called) does require some knowledge of the function's behavior in order to produce decent results, but most optimization algorithms do. This method gives decent results fairly quickly, but can get hung up on local minima. It works much better on smooth functions than lumpy (is that the right term?) ones.

-Mark


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