This is the mail archive of the
gsl-discuss@sources.redhat.com
mailing list for the GSL project.
Re: variable range
- From: Sang-Joon Lee <sangjoon at mail dot rice dot edu>
- To: Jerome BENOIT <jgmbenoit at wanadoo dot fr>
- Cc: <gsl-discuss at sources dot redhat dot com>
- Date: Tue, 29 Jul 2003 08:51:32 -0500 (CDT)
- Subject: Re: variable range
I appreciate your instruction.
Sincerely yours,
Sang-Joon Lee
On Tue, 29 Jul 2003, Jerome BENOIT wrote:
> Hello,
>
> a good idea is to make a change of variable in such a way that
> the new variable are unconstrained.
>
>
> I hope that helps,
> Jerome
>
> Sang-Joon Lee wrote:
> > Hi,
> >
> > In using the GSL "Multidimensional Minimization" algorithms, I would like
> > to limit the range of variables. For instance, in a function,
> > f(x)=3*(x-4)*(x-4)+2, I would like to make x be a positive real number.
> > I would appreciate if you let me know how to do this.
> >
> > Sincerely yours,
> >
> > Sang-Joon Lee
> >
> >
> >
>
>
>