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Re: [Help-gsl] Inversion of a symmetric matrix
From: |
Brian Gough |
Subject: |
Re: [Help-gsl] Inversion of a symmetric matrix |
Date: |
Thu, 18 Dec 2003 11:36:36 +0000 |
Filip Westarp writes:
> I'm using gsl to compute the inverse of a symmetric matrix - first
> calling gsl_linalg_LU_decomp() to get the LU decomposition and then
> gsl_linalg_LU_invert() to get the matrix inverse.
> However, the resulting matrix isn't symmetric, as I expect it to be.
> Am I doing something wrong - or have I misunderstood something?
The procedure sounds reasonable (check the reference manual for actual
usage of the functions ) .... if you still get incorrect (unsymmetric)
results please submit a bug report to address@hidden with an example
program that shows the problem.
Thanks,
--
Brian Gough
Network Theory Ltd
15 Royal Park
Bristol BS8 3AL
United Kingdom
Tel: +44 (0)117 3179309
Fax: +44 (0)117 9048108
Web: http://www.network-theory.co.uk/