%% Preserve Legacy Behavior of ismember
% Use the 'legacy' flag to preserve the behavior of ismember from R2012b and prior releases in your code.
% Find the members of B with the current behavior.

A = [5 3 4 2]; 
B = [2 4 4 4 6 8];
[Lia1,Locb1] = ismember(A,B)

%
% Find the members of B, and preserve the legacy behavior.

[Lia2,Locb2] = ismember(A,B,'legacy')

% Copyright 2015 The MathWorks, Inc.