Fixed elements within a block covariance matrix
From: "Bonate, Peter" - pbonate@ilexonc.com
Subject: [NMusers] Fixed elements within a block covariance matrix
Date: 1/13/2004 14:51
Dear all,
I need to generate a covariance matrix of the following:
[X11
0 X22
X31 X32 X33]
where X12 is fixed to zero and all other elements are non-zero.
Is there any easy way to do this?
Thanks.
Peter L. Bonate, PhD, FCP
Director, Pharmacokinetics
ILEX Oncology
4545 Horizon Hill Blvd
San Antonio, TX 78229
phone: 210-949-8662
fax: 210-949-8219
email: pbonate@ilexonc.com