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    %% Repeat Matrix Elements  
% Expand the size of a matrix by repeating elements.   

%% 
% Create a 2-by-2 matrix of ones and a 2-by-3 matrix whose elements you
% want to repeat. 
A = [1 2 3; 4 5 6];
B = ones(2);  

%% 
% Calculate the Kronecker tensor product using |kron|. 
K = kron(A,B) 

%%
% The result is a 4-by-6 block matrix.