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Re: [Help-gsl] svd inaccuracy

From: Brian Gough
Subject: Re: [Help-gsl] svd inaccuracy
Date: Wed, 23 Aug 2006 12:39:42 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI)

At Fri, 18 Aug 2006 19:38:07 +0000,
Evan Drumwright wrote:
> I've been attempting to use the GSL (specifically, the svd function) to 
> compute the pseudo-inverse of a potentially singular matrix.  Unfortunately, 
> the smaller singular values that I am getting (with both 
> gsl_linalg_sv_decomp() or gsl_linalg_sv_decomp_jacobi()) are orders of 
> magnitude off from the true result (computed and verified in octave).

Could you post an example?  If you want to submit a bug report please
send all the details to address@hidden Thanks,

Brian Gough

Network Theory Ltd,
Publishing the GSL Manual -

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