From: Brian Gough <bjg@network-theory.co.uk>
To: picca <picca@synchrotron-soleil.Fr>
Cc: gsl-discuss@sourceware.org
Subject: Re: nmsimplex iteration.
Date: Thu, 27 Mar 2008 11:06:00 -0000 [thread overview]
Message-ID: <m33aqcfn30.wl%bjg@network-theory.co.uk> (raw)
In-Reply-To: <20080317144641.332eb83a@synchrotron-soleil.Fr>
At Mon, 17 Mar 2008 14:46:41 +0100,
picca wrote:
> To achieve this, we must contraction the simplex till it becomes valid.
> Is it possible to tune the simplex algorithm to solve also those
> locally convex problems.
I don't know but if you find a way I can add a patch for it.
> Another problem is that the initial guest of the simplex is not always
> possible. Can I create by myself the starting points of the simplex ?
The starting points are xi = x0+step_i e_i so it should be possible to
set them all to known values using the step_size vector argument of
gsl_multimin_fsolver_set.
--
Brian Gough
next prev parent reply other threads:[~2008-03-27 11:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-17 13:47 picca
2008-03-27 11:06 ` Brian Gough [this message]
2008-03-27 12:36 ` picca
2008-04-10 17:42 ` Brian Gough
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m33aqcfn30.wl%bjg@network-theory.co.uk \
--to=bjg@network-theory.co.uk \
--cc=gsl-discuss@sourceware.org \
--cc=picca@synchrotron-soleil.Fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).