Path: news.mathworks.com!not-for-mail
From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: finding a matrix used in matrix transformation
Date: Tue, 9 Nov 2010 18:42:03 +0000 (UTC)
Organization: FOGALE nanotech
Lines: 7
Message-ID: <ibc4lr$cjv$1@fred.mathworks.com>
References: <ibc1cs$61o$1@fred.mathworks.com> <ibc2ic$mjm$1@fred.mathworks.com>
Reply-To: "Bruno Luong" <b.luong@fogale.findmycountry>
NNTP-Posting-Host: webapp-03-blr.mathworks.com
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1289328123 12927 172.30.248.38 (9 Nov 2010 18:42:03 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Tue, 9 Nov 2010 18:42:03 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 390839
Xref: news.mathworks.com comp.soft-sys.matlab:685239

"Matt J " <mattjacREMOVE@THISieee.spam> wrote in message <ibc2ic$mjm$1@fred.mathworks.com>...

> If you're sure that Q is singular, then you should be able to recover m as an eigenvector of Q with eigenvalue 0. See "doc eig"

Or simply using NULL which gives a basis of the null space (at the accuracy of the floating point).

Bruno