matrices

[Steve Thompson]

sum1 = sum(diag(A))
sum2 = sum(sum(A))-sum1
?

On Mon, Jun 1, 2009 at 3:21 PM, Carlo Rossi <serosole at yahoo.it> wrote:
> 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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