Library: | math |
See also: | complex cimag |
Quantlet: | creal | |
Description: | Extracts real part of an complex array |
Usage: | y = creal (z) | |
Input: | ||
y | n x p x d1 x ... x dn complex array | |
Output: | ||
re | n x p x d1 x ... x dn array real part of z |
library("math") j = complex(0, 1) creal(j)
Contents of re [1,] 0