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matrices


From: Carlo Rossi
Subject: matrices
Date: Mon, 1 Jun 2009 22:21:22 +0000 (GMT)

Hello,
 I have a matrix A and I need to do it:

sum1 = SUM_of_all_element_on_diagonal
sum2 = sum_ofAllElemetNonOn_theDiagonal;

is it possible to do it in a compact way? thanks



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