function y = acoth(z)
%ACOTH  Inverse hyperbolic cotangent.
%   ACOTH(X) is the inverse hyperbolic cotangent of the elements of X.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 5.3 $  $Date: 1997/11/21 23:28:01 $

y = atanh(1./z);
