[18629] in s-news-athena
[S] query about matrices
daemon@ATHENA.MIT.EDU (SOFIA Stephano)
Wed Jul 14 11:29:04 1999
From: cs0sso@cis.sunderland.ac.uk (SOFIA Stephano)
To: s-news@wubios.wustl.edu (S-News)
Message-Id: <1999Jul14.162129.1814.2829652@missgate.sunderland.ac.uk>
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Date: Wed, 14 Jul 1999 16:23:26 +0100
Dear S_PLUS users,
let me ask you the following question:
given two square matrices A and B ( whose dimension could differ from each
other ), is it possible to create automatically a matrix, let us call it C (
of dimension dimension(A) + dimension(B) ), of the form:
A 0
0 B
i.e. where A and B are the diagonal blocks of C and 0 elsewhere else ?
grateful for the eventual help
Stefano
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