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Re: unsymmetric eigenvalue update
- From: "Brian Gough" <bjg at network-theory dot co dot uk>
- To: Patrick Alken <patrick dot alken at colorado dot edu>
- Cc: gsl-discuss at sourceware dot org
- Date: Wed, 14 Jun 2006 21:53:22 +0100
- Subject: Re: unsymmetric eigenvalue update
- References: <20060613155620.GA21626@hippogriff.physics.drexel.edu>
Patrick Alken writes:
> I have run my code through Brian Gough's test program
> on 12x12 and 200x200 random matrices, as well as some integer
> matrix cases and find no significant disagreement with LAPACK.
> .....
> I propose adding the double-shift method to gsl (assuming it
> passes any further tests needed) which would be a perfectly
> fine eigenvalue solver (EISPACK used it for a number of years)
> until I (or someone else) can find the time to implement method 3.
Excellent work! Useful summary.
I will add the code at the next opportunity.
--
Brian Gough