From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brian Gough <bjg@network-theory.co.uk>
To: jmax.redonnet@meca.insa-tlse.fr
Cc: gsl-discuss@sourceware.cygnus.com
Subject: Re: 3 points from a new user of gsl
Date: Wed, 19 Dec 2001 13:20:00 -0000
Message-id: <15146.39857.936977.260136@debian>
References: <01061516251601.22198@lgmt-fab5.ups-tlse.fr>
X-SW-Source: 2001/msg00224.html

Jean-Max Redonnet writes:
 > Multidimensional root finding : works fine especially with newton
 > algorithm (as expected).  just a suggestion : It would be nice
 > sometimes to be able to bound each variable. I've not find an easy
 > way to do this in current release. Although this may help the
 > algorithm to find the "right" solution. Is it possible ? Is it
 > reasonnable to imagine this will be possible in future releases?

It's possible, if someone wants to write it.

 >  Vectors and matrices I've not found any function to get the norm
 > of a vector, so I've writed my own one, but I think this may be
 > useful to include this feture in future release. What about this
 > suggestion? 

Thanks, I'll add an entry to the TODO file for vector p-norms, and
some matrix norms.

 > Hope this points are in scope of this mailing list.

Yes.