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 cln csin csinh csqrt ctan

Quantlet: ctanh
Description: Complex tangens hyperbolicus

Usage: z = ctanh(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")

x = complex (#(4,16), #(9,1))

ctanh(x)

Result:

Contents of z.re 

[1,]  0.99956 

[2,]        1 

Contents of z.im 

[1,]  0.00027638 

[2,]  2.1313e-14 


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

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, 960423, 970529
(C) MD*TECH Method and Data Technologies, 21.9.2000