| Group: | Matrix Manipulation |
| Topic: | Sorting and Counting |
| See also: | dim rows |
| Function: | cols | |
| Description: | Returns the number of columns in an array. |
| Usage: | z = cols (x) | |
| Input: | ||
| x | d1 x d2 x ... x dn array | |
| Output: | ||
| z | scalar with the number d2 | |
cols(matrix(10, 3))
Contents of cols [1,] 3