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Re: [Bug-gsl] bug report gsl_multifit_wlinear_svd
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From: |
Brian Gough |
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Subject: |
Re: [Bug-gsl] bug report gsl_multifit_wlinear_svd |
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Date: |
Sun, 08 Nov 2009 20:32:15 +0000 |
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User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |
At Fri, 6 Nov 2009 09:47:51 +0100,
Mezger Anton-Chr. wrote:
> The introduction of balancing the matrix does not seem to account for a
> rank reduction. The routine gsl_multifit_wlinear_svd performs well when
> no rank reduction is taken place. When the rank gets reduced however the
> results are wrong and when the balancing code is taken out the results
> are correct. Do I see this correctly and when yes is it possible to
> correct it ?
Thanks for the bug report. Could you send a small example program
which demonstrates the problem -- thank you.
--
Brian Gough
GNU Scientific Library -
http://www.gnu.org/software/gsl/