coth¶

hyperbolic cotangent

Calling Sequence¶

[t]=coth(x)

:x real or complex vector or matrix. : :t real or complex vector or matrix. :

The elements of t are the hyperbolic cotangent of elements of x.

x=[1,2*%i]
t=`exp`_(x);
(t-`ones`_(x)./t).\(t+`ones`_(x)./t)
coth(x)