function y = acoth(z)
%ACOTH  Inverse hyperbolic cotangent.
%   ACOTH(X) is the inverse hyperbolic cotangent of the elements of X.
%
%   Class support for input X:
%      float: double, single
%
%   See also COTH.

%   Copyright 1984-2004 The MathWorks, Inc.
%   $Revision: 5.7.4.3 $  $Date: 2004/06/25 18:51:40 $

y = atanh(1./z);