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: ccosh cexp cln csin csinh ctan ctanh csqrt

Quantlet: ccos
Description: Complex cosine

Usage: z = ccos(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 (0, 3.1415/2)

ccos (z)

Result:

Contents of z.re

[1,]   2.5091 

Contents of z.im

[1,]        0 


Library: math
See also: ccosh cexp cln 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, 960327, 970529
(C) MD*TECH Method and Data Technologies, 21.9.2000