Sum
Sum
Return the sum of the matrix/vector elements which can also be performed for the given axis (axes).
double vector::Sum();
double matrix::Sum();
vector matrix::Sum(
const int axis // axis
);Parameters
- axis
[in] Axis. 0 — horizontal axis, 1 — vertical axis.
Return Value
Sum of the matrix/vector elements which can also be performed for the given axis (axes).
Example
matrix matrix_a={{10,3,2},{1,8,12},{6,5,4},{7,11,9}};
Print("matrix_a\n",matrix_a);
vector cols_sum=matrix_a.Sum(0);
vector rows_sum=matrix_a.Sum(1);
double matrix_sum=matrix_a.Sum();
Print("cols_sum=",cols_sum);
Print("rows_sum=",rows_sum);
Print("sum value ",matrix_sum);
/*
matrix_a
[[10,3,2]
[1,8,12]
[6,5,4]
[7,11,9]]
cols_sum=[24,27,27]
rows_sum=[15,21,15,27]
sum value 78.0
*/Last updated on