From arthur.charpentier at gmail.com  Thu May  5 20:31:59 2011
From: arthur.charpentier at gmail.com (Arthur Charpentier)
Date: Thu, 5 May 2011 14:31:59 -0400
Subject: [Rd] matrix not positive definite (while it should be)
Message-ID: <BANLkTi=Qs53_EkwEKpxtnptcgFYF=0Gg2g@mail.gmail.com>

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[Rd] matrix not positive definite (while it should be)
Arthur Charpentier