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Re: [Bug-gsl] possible matrix solver bug
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From: |
Brian Gough |
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Subject: |
Re: [Bug-gsl] possible matrix solver bug |
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Date: |
Tue, 20 Sep 2011 16:34:11 +0100 |
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User-agent: |
Wanderlust/2.15.6 (Almost Unreal) Emacs/23.3 Mule/6.0 (HANACHIRUSATO) |
At Fri, 26 Aug 2011 16:13:46 +0800,
Andrew Wang wrote:
> I tried the linear algebra example with slight modification (do
> decompose and solve one more time) and got different results from the
> same matrix and vector.
> Did I miss something here?
Hello.
The LU matrix is modified in place, with the original matrix being
replaced by the LU decomposition, so gsl_linalg_LU_decomp should only
be called once.
--
Brian Gough
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