Matrix implementation?

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: pgsql-general(at)postgresql(dot)org
Subject: Matrix implementation?
Date: 2000-11-20 02:51:43
Message-ID: 3.0.5.32.20001120135143.0272f620@mail.rhyme.com.au
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Has anyone ever implemented a matrix data type that they would be willing
to share? All I want is basic addition & subtraction (don't even need
multipication), but an avg & sum implementation would be nice...

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