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%% Determine if Array Contains Duration Values % Determine if the output of an arithmetic calculation is a |duration| array. % Copyright 2015 The MathWorks, Inc. %% % Subtract a |datetime| array from another. t1 = datetime(2014,03,16:17); t2 = datetime(2014,03,20); dt = t2 - t1 %% % Determine if the output is a |duration| array. tf = isduration(dt)