Message-ID: <1294418797641-3179439.post@n4.nabble.com>
Date: 2011-01-07T16:46:37Z
From: emj83
Subject: Summing over specific columns in a matrix
In-Reply-To: <AANLkTikFDVGbO5nuFjEg3D8w-fFDJG137z2Y9AT_ByBi@mail.gmail.com>
Thanks- this works just as I needed- Emma
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