From: "Robert G. Brown" <rgb@phy.duke.edu>
To: Brian Gough <bjg@gnu.org>
Cc: GSL Discussion list <gsl-discuss@sources.redhat.com>
Subject: Re: nonsymm eigenvalues...
Date: Wed, 14 Nov 2007 16:22:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.64.0711141119140.1202@lilith.rgb.private.net> (raw)
In-Reply-To: <876404vnp6.wl%bjg@network-theory.co.uk>
On Wed, 14 Nov 2007, Brian Gough wrote:
> At Wed, 14 Nov 2007 06:58:48 -0500 (EST),
> Robert G. Brown wrote:
>> Also, what is likely to happen if I call the symmetric routines for a
>> nonsymmetric matrix? They seem to "work" and still produce eigenvalues
>> and eigenvectors. Are those garbage?
>
> It just uses the lower triangular part and assumes symmetry, anything
> in the upper triangular part is ignored.
Garbage indeed. Thanks.
rgb
--
Robert G. Brown
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone(cell): 1-919-280-8443
Web: http://www.phy.duke.edu/~rgb
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next prev parent reply other threads:[~2007-11-14 16:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-14 11:54 Robert G. Brown
2007-11-14 12:02 ` Robert G. Brown
2007-11-14 15:42 ` Brian Gough
2007-11-14 16:22 ` Robert G. Brown [this message]
2007-11-14 15:31 ` Brian Gough
2007-11-14 16:22 ` Robert G. Brown
2007-11-15 20:25 ` Brian Gough
2007-11-17 15:50 ` Question about Lagrange multiplier Gyenese János
2007-11-20 16:08 ` Brian Gough
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