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Re: [Help-gsl] QR decomposition...
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From: |
Brian Gough |
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Subject: |
Re: [Help-gsl] QR decomposition... |
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Date: |
Fri, 16 Dec 2005 19:54:49 +0000 |
Till Isambert writes:
> i would like to perform a QR decomposition of a matrix S in GSL. The QR
> decomposition i would like to do should look like this :
> S = QR = (Q1,Q2)ยท(R1 0)^t
> i don't understand how to recover my matrix Q in Gsl once i use
> gsl_linalg_QR_decomp (or gsl_linalg_QRPT_decomp2 ??). Does somebody
> knows how to do this ?
See the documentation for gsl_linalg_QR_unpack
--
best regards,
Brian Gough
Network Theory Ltd,
Publishing the GSL Manual --- http://www.network-theory.co.uk/gsl/manual/