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

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'?

Answer 1

[Star Strider]

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);