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%% Moving Variance of Vector with |NaN| Elements % Compute the three-point centered moving variance of a row % vector containing two |NaN| elements. A = [4 8 NaN -1 -2 -3 NaN 3 4 5]; M = movvar(A,3) %% % Recalculate the variance, but omit the |NaN| values. When % |movvar| discards |NaN| elements, it takes the variance over % the remaining elements in the window. M = movvar(A,3,'omitnan')