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Article #1233Re: Singular Value Decomposition
From: Robin Becker
Date: Mon, 21 Jun 1999 00:00
Date: Mon, 21 Jun 1999 00:00
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1590 bytes
In article <376C787E.939C192B@kings.uq.edu.au>, Craig Armour <c.armour@kings.uq.edu.au> writes >Hi, > >I need to write a paper on the use of Singular value Decomposition in >numerical Algebra for numerical maths. The main problem I'm having is >finding a paper or the sort which describes the svd w.r.t other >algorithms interms of performance and various problems. > >I realise SVD's are great for overconditioned problmes, but how are they >better than say a QR factorization. As far as I can figure, alot of >algorithms use QR and the sort to compute the svd. what about w.r.t >eigen value problems. > >In short, I have a lot of info telling me that SVD's are great for >overconditioned systems and least squares but not much else. Is this >the only use of SVD's? for least squares style problems??? > >Cheers >Craig -- Robin Becker
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 107079,fafc532a00d68a9f X-Google-Attributes: gid107079,public X-Google-Thread: 10d67e,fafc532a00d68a9f X-Google-Attributes: gid10d67e,public From: Robin Becker <robin@jessikat.demon.co.uk> Subject: Re: Singular Value Decomposition Date: 1999/06/21 Message-ID: <8mtuqCAENrb3EwoQ@jessikat.demon.co.uk> X-Deja-AN: 492409087 X-NNTP-Posting-Host: jessikat.demon.co.uk:194.222.4.163 References: <376C787E.939C192B@kings.uq.edu.au> X-Complaints-To: abuse@demon.net X-Trace: news.demon.co.uk 930033651 nnrp-03:4150 NO-IDENT jessikat.demon.co.uk:194.222.4.163 Organization: Web-Waders Inc MIME-Version: 1.0 Newsgroups: sci.math.num-analysis,aus.mathematics