%NaN    Not-a-Number.
%   NaN is the IEEE arithmetic representation for Not-a-Number.
%   A NaN is obtained as a result of mathematically undefined
%   operations like 0.0/0.0  and inf-inf.
%
%   See also INF.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 5.3 $  $Date: 1997/11/21 23:29:14 $
%   Built-in function.
