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    %% Covariance of Matrix
% Create a 3-by-4 matrix and compute its covariance.   

% Copyright 2015 The MathWorks, Inc.

A = [5 0 3 7; 1 -5 7 3; 4 9 8 10];
C = cov(A)

%%
% Since the number of columns of |A| is 4, the result is a 4-by-4 matrix.