%ATAN   Inverse tangent.
%   ATAN(X) is the arctangent of the elements of X.
%
%   See also ATAN2.

%   Copyright 1984-2000 The MathWorks, Inc. 
%   $Revision: 5.6 $  $Date: 2000/06/01 00:40:15 $
%   Built-in function.
