Library: | math |
See also: | ccos ccosh cexp csin csinh ctan ctanh csqrt |
Quantlet: | cln | |
Description: | Complex natural logarithm |
Usage: | z = cln (x) | |
Input: | ||
x | n x p x d1 x ... x dn complex array | |
Output: | ||
z | n x p x d1 x ... x dn complex array |
library("math") j = complex(0, 1) cln(j)
Contents of z.re [1,] 0 Contents of z.im [1,] 1.5708