%ISLOGICAL True for logical array.
%   ISLOGICAL(X) returns 1 if X is a logical array and 0 otherwise.
%   Logical arrays must be used to perform logical 0-1 indexing.
%
%   See also LOGICAL.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 1.5 $ 
%   Built-in function.
