From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32587 invoked by alias); 22 Sep 2006 13:49:56 -0000 Received: (qmail 32576 invoked by uid 22791); 22 Sep 2006 13:49:56 -0000 X-Spam-Check-By: sourceware.org Received: from network-theory.com (HELO mail.network-theory.co.uk) (66.199.228.187) by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 22 Sep 2006 13:49:51 +0000 Message-ID: <4513E9FB.7090701@network-theory.co.uk> Date: Fri, 22 Sep 2006 13:49:00 -0000 From: Brian Gough User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.6) Gecko/20060815 SeaMonkey/1.0.4 MIME-Version: 1.0 To: Patrick Alken CC: gsl-discuss@sourceware.org Subject: Re: unsymm eigenvector patch References: <20060921184256.GA24916@hippogriff.physics.drexel.edu> In-Reply-To: <20060921184256.GA24916@hippogriff.physics.drexel.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Message-Mac: df5796cbf67b1787a6b8cf6ec97ece14 Mailing-List: contact gsl-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sourceware.org X-SW-Source: 2006-q3/txt/msg00028.txt.bz2 Patrick Alken wrote: > I've attached a patch which implements eigenvector support for > real nonsymmetric matrices. The algorithm used is backsubstitution > to find eigenvectors of the Schur form, followed by backtransformation > by the Schur vectors. I followed the lapack code closely (dtrevc), > so this implementation handles degeneracies very well. Thanks, I have committed the patches to the sourceware cvs. Good work. -- Brian Gough Network Theory Ltd, Publishing the GSL Manual - http://www.network-theory.co.uk/gsl/manual/