Library: | xplore |
See also: | countNaN countNotNumber isNaN isNumber |
Quantlet: | isInf | |
Description: | Determines whether elements of an array are infinity or -infinity (Inf or -Inf). |
Usage: | y = isInf (x) | |
Input: | ||
x | array | |
Output: | ||
y | array with 1 (true, is NaN) or 0 (false) |
library("xplore") x = #(0/0, 1/0, -1/0, 1) x ~ isInf(x)
Contents of _tmp [1,] NaN 0 [2,] Inf 1 [3,] -Inf 1 [4,] 1 0