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Re: optim package


From: Michael Creel
Subject: Re: optim package
Date: Fri, 04 Mar 2005 14:16:56 +0100
User-agent: KMail/1.7.2

octave-forge contains a number of functions for optimization. I'm the 
maintainer of bfgsmin and samin. If you install octave-forge, then you can 
run and then examine bfgsmin_example and samin_example to see how to use 
them. It sounds like samin might be useful to you. Regards, Michael
On Friday 04 March 2005 13:04, Gorazd Brumen wrote:
> Hi,
>
> fsolve only solves the system of eq. I would need sth. for
> (function) maximization? I am simply searching for a maximum
> of a function. I know I can do the numeric derivative and search for zeros
> but sometimes the functions are badly behaved etc... Especially if you use
> ceil() and floor() functions. A function for max. search using
> non-gradient methods
> would be great.
>
> Octave versions 2.1.49 and 2.1.64 (suse and debian linux) I have.
>
> Gorazd
>
> Doug Stewart wrote:
> > Gorazd Brumen wrote:
> >> Hi everyone,
> >>
> >> Can someone tell me if there exists an optimization package for
> >> octave? Is somebody working on it?
> >>
> >> Gorazd
> >
> > Does fsolve do what you want?
> >
> > Please give us more info on
> > - what you are doing.
> > - what system you have.
> > - what ver. of octave you have.
> > - etc.
> > Doug



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