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Re: [Help-gsl] QR decomposition...

From: Brian Gough
Subject: Re: [Help-gsl] QR decomposition...
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 ---

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