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how i can sum the lines of a matrix?

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george
george 2012-7-29
p.x
1 4 5 2 1 ...
3 1 9 3 2 ...
=
4 5 14 5 3
but with out knowing the number of lines or the number of rows
thanks

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E K
E K 2012-7-29
if a is a x-by-y matrix
b=sum(a) will give you a new b matrix which will be 1-by-y matrix which will have the summation of each column.

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