| Library: | xplore |
| See also: | abs |
| Macro: | sign | |
| Description: | Computes the sign function (0, -1, 1) for zeros, negative or positive values. |
| Usage: | s = sign (x) | |
| Input: | ||
| x | array | |
| Output: | ||
| s | array containing signs for all values of x | |
library("xplore")
randomize (0)
x = normal (2, 3) ~ (0|0)
sign (x)
Contents of s [1,] -1 1 -1 0 [2,] -1 -1 1 0
| Library: | xplore |
| See also: | abs |