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    %% Solve Sylvester Equation with 4-by-2 Output  

%% 
% Create a 4-by-4 coefficient matrix, |A|, and 2-by-2 coefficient matrix,
% |B|.
A = [1 0 2 3; 4 1 0 2; 0 5 5 6; 1 7 9 0];
B = [0 -1; 1 0];  

%% 
% Define |C| as a 4-by-2 matrix to match the corresponding sizes of |A|
% and |B|. 
C = [1 0; 2 0; 0 3; 1 1]  

%% 
% Use the |sylvester| function to solve the Sylvester equation for these
% values of |A|, |B|, and |C|. 
X = sylvester(A,B,C) 

%%
% The result is a 4-by-2 matrix.