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 cexp cln csin csinh ctan ctanh csqrt

Quantlet: ccosh
Description: Complex hyperbolic cosine

Usage: z = ccosh (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")
z = complex(3.14515/2, 0)
ccosh(z)

Result:
Contents of z.re
[1,]   2.5133
Contents of z.im
[1,]        0



Author: S. Klinke, 19970529, S. Borak 20040621 license MD*Tech
(C) MD*TECH Method and Data Technologies, 05.02.2006