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Re: Retract [Bug-gsl] gsl_multifit_linear() covariances incorrect due to
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From: |
Doug Rogers |
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Subject: |
Re: Retract [Bug-gsl] gsl_multifit_linear() covariances incorrect due to sorted singular values? |
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Date: |
Thu, 08 Feb 2007 14:56:47 -0500 |
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User-agent: |
Thunderbird 1.5.0.9 (X11/20070103) |
Doug Rogers wrote:
> I've noticed that the singular values returned by SVD are sorted,
> destroying the relationship that they had with their column vector. This
> means, I believe, that the covariances calculated in
> gsl_multifit_wlinear(), et al., are not in the proper order - they
> correspond to different solution coefficients.
Well, it looks like it was operator error. I summed over the wrong
index. Sorry for any pain I may have caused.
Doug
--
Innovative Concepts, Inc. www.innocon.com 703-893-2007 x220