| Group: | Matrix Manipulation |
| Topic: | Sorting and Counting |
| See also: | cumprod prod sum |
| Function: | cumsum | |
| Description: | cumsum computes the cumulative sum of the elements an array regarding a given dimension. |
| Usage: | z = cumsum (x, j) | |
| Input: | ||
| x | array | |
| j | integer (number of dimension, default = 1) | |
| Output: | ||
| z | array | |
x=#(1,2,3)~#(3,4,5)~#(5,6,7) cumsum(x)
Contents of cumsum [1,] 1 3 5 [2,] 3 7 11 [3,] 6 12 18