<pre>
Path: news.mathworks.com!newsfeed-00.mathworks.com!newscon02.news.prodigy.net!prodigy.net!news.glorb.com!postnews.google.com!j78g2000hsd.googlegroups.com!not-for-mail
From: &quot;deluded.soul@gmail.com&quot; &lt;deluded.soul@gmail.com&gt;
Newsgroups: comp.soft-sys.matlab
Subject: checki if a matrix is positive-semidefinite
Date: Fri, 4 Jan 2008 16:15:25 -0800 (PST)
Organization: http://groups.google.com
Lines: 7
Message-ID: &lt;21285762-825c-4d9b-8323-6e9e65fe1cfc@j78g2000hsd.googlegroups.com&gt;
NNTP-Posting-Host: 81.1.126.249
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-Trace: posting.google.com 1199492125 16579 127.0.0.1 (5 Jan 2008 00:15:25 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Sat, 5 Jan 2008 00:15:25 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: j78g2000hsd.googlegroups.com; posting-host=81.1.126.249; 
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.11) 
Xref: news.mathworks.com comp.soft-sys.matlab:444428


Hi everyone,

How can I check if a given square matrix is positive-semidefinite in
Matlab?

Cheers,
D

<pre>