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In any matrix, how to generated by sum' same along rows

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Brian Kim
Brian Kim 2017-2-21
关闭： MATLAB Answer Bot 2021-8-20
any matrix is "a". ex) a=[4 4 5 5 5 5 5 5 5 5]; sum(a) is equal to '48'
if one matrix exist, how to generate along rows by same' sum '48'?

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回答（1 个）

Star Strider
Star Strider 2017-2-21
The column dimension is the second dimension (the row dimension is the first, and the default in a matrix), so to sum the rows of matrix ‘A’, the code is:
A_row_sum = sum(A, 2);

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