%ISNAN  True for Not-a-Number.
%   ISNAN(X) returns an array that contains 1's where
%   the elements of X are NaN's and 0's where they are not.
%   For example, ISNAN([pi NaN Inf -Inf]) is [0 1 0 0].
%
%   See also ISFINITE, ISINF.

%   Copyright 1984-2000 The MathWorks, Inc. 
%   $Revision: 5.9 $  $Date: 2000/06/01 16:46:42 $
%   Built-in function.
