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How to obtain a set of matrix from another matrix by adding the previous row value along the column to the next row on the same column

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Bashir Yusuf Bichi
Bashir Yusuf Bichi 2017-10-24
编辑： per isakson 2017-10-24
Example
a= 2,4;3,4;2 1
the new matrix will be
b= 2,4;3+2,4+4;2+3+2,1+4+4
along the colums

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per isakson
per isakson 2017-10-24
Is this what you want?
>> cumsum( a, 1 )
ans =
2 4
5 8
7 9

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