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From: Brian Gough <bjg@network-theory.co.uk>
To: <rlee@fpcc.net>
Cc: <gsl-discuss@sources.redhat.com>
Subject: Re: Here is some GSL code for a rank-revealing QRPT
Date: Wed, 12 Nov 2003 13:28:00 -0000	[thread overview]
Message-ID: <16306.13683.266366.946535@debian.local> (raw)
In-Reply-To: <35906.64.24.109.89.1068572699.squirrel@webmail.fpcc.net>

rlee@fpcc.net writes:
 > I posted "Help developing a "better" QRPT routine".  I guess sometimes we
 > help those who help themselves ;-)
 > 
 > Here GSL code for rank-revealing QRPT.  It is just a minor tweak of
 > gsl_linalg_QRPT_decomp -- the key feature is a different pivoting
 > strategy.
 > 
 > I would appreciate any suggestions on making this more "GSL like".
 > I've only tested it with some M>N matrices -- some rank deficient.
 > 
 > So, does anyone think this could be a valuable addition to GSL?

Hi,

If there is an improved algorithm I would be in favor of using it.

Is there a paper or other reference (maybe a Lapack Working Note)
which describes this algorithm?  The first step is to find out what
has been written about it.

-- 
Brian Gough

  reply	other threads:[~2003-11-12 13:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-11 17:44 rlee
2003-11-12 13:28 ` Brian Gough [this message]
2003-11-12 15:25   ` rlee

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