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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
> >
> >
> >
>
>
>


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