From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15991 invoked by alias); 3 Jan 2009 05:17:55 -0000 Received: (qmail 15983 invoked by uid 22791); 3 Jan 2009 05:17:54 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00,RDNS_NONE X-Spam-Check-By: sourceware.org Received: from Unknown (HELO QMTA10.emeryville.ca.mail.comcast.net) (76.96.30.17) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 03 Jan 2009 05:17:12 +0000 Received: from OMTA14.emeryville.ca.mail.comcast.net ([76.96.30.60]) by QMTA10.emeryville.ca.mail.comcast.net with comcast id yqm21a00P1HpZEsAAtH4oP; Sat, 03 Jan 2009 05:17:04 +0000 Received: from hippogriff.homeunix.org ([75.70.82.180]) by OMTA14.emeryville.ca.mail.comcast.net with comcast id ytH31a0063tRyZn8atH3kT; Sat, 03 Jan 2009 05:17:04 +0000 Received: by hippogriff.homeunix.org (Postfix, from userid 1000) id 6B0F2CB6D2; Fri, 2 Jan 2009 22:19:53 -0700 (MST) Date: Sat, 03 Jan 2009 05:17:00 -0000 From: Patrick Alken To: Jonathan Leto Cc: gsl-discuss@sourceware.org Subject: Re: Eigenvalue routines for generalized complex matrices Message-ID: <20090103051953.GA28704@hippogriff.homeunix.org> References: <9aaadf9c0901021934k646212ebk15364a5090f26c3c@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9aaadf9c0901021934k646212ebk15364a5090f26c3c@mail.gmail.com> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Mailing-List: contact gsl-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sourceware.org X-SW-Source: 2009-q1/txt/msg00001.txt.bz2 Currently there are no plans and it would involve a large effort to do this. I would recommend using LAPACK for complex matrices. Its possible that the eigenvalue problem alone would be manageable but getting the eigenvectors would require porting large amounts of LAPACK code. Patrick Alken On Fri, Jan 02, 2009 at 07:34:11PM -0800, Jonathan Leto wrote: > Hello, > > I was wondering if there were any plans to add routines for finding > the eigenvalues of a generalized (i.e. non-Hermitian ) complex matrix > to GSL? Does anyone have recommendations for the best open source > routines for accomplishing this? > > Cheers, > > -- > [---------------------] > Jonathan Leto > jaleto@gmail.com