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%% Cumulative Product of Each Column in Matrix %% % Define a 3-by-3 matrix whose elements correspond to their linear indices. A = [1 4 7; 2 5 8; 3 6 9] %% % Find the cumulative product of the columns of |A|. The element |B(5)| is the product of |A(4)| and |A(5)|, while |B(9)| is the product % of |A(7)| , |A(8)|, and |A(9)|. B = cumprod(A)