From: Niklas Eliasson <neliasso@mat.univie.ac.at>
Subject: Re: QR factorisation
Date: Wed, 10 Nov 1999 20:36:38 GMT
Newsgroups: sci.math
Keywords: how to find Q?

In article <942229220.7699.0.nnrp-14.c2de70b8@news.demon.co.uk>,
  "Peter" <Brewstar@cyberdude.com> wrote:
> Does anyone know how to find the Q in the method of QR factorisation?
>
> Thanx in advance,
> Pete.
>
>

So you are looking for the orthogonal matrix Q, which is normally
found by an iterative process. You can find many places for this,
for example

   http://blanc.ovpit.indiana.edu/B673/node30.html

There are also normally algorithms implemented in many software
packages (for example matlab).

Best regards
Niklas Eliasson


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