atanh(1)

NAME
atanh - hyperbolic tangent inverse

CALLING SEQUENCE
[t]=atanh(x)

PARAMETERS

x   : real or complex vector

t   : real or complex vector

DESCRIPTION
The components of vector t are the hyperbolic tangent inverse of the corresponding entries of vector x. Definition domain is ]-1,1[

This function takes values in
     ] inf,inf[ x ]-pi/2,pi/2[
     ]-inf, 0 [ x [-pi/2]
and  ]  0 ,inf[ x [pi/2]