Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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

Example:

library("math")

j = complex(0, 1)

cln (j)

Result:

Contents of z.re

[1,]        0 

Contents of z.im

[1,]   1.5708 


Library: math
See also: ccos ccosh cexp csin csinh ctan ctanh csqrt

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Author: Sigbert Klinke, 920424, 960401, 970529
(C) MD*TECH Method and Data Technologies, 21.9.2000