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% Module IV: Inverses
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% NOTE: to see results in the Command Window, 
% simply delete the ";" at the end of a given command.

B1=magic(5);
rB1=rank(B1);
dB1=det(B1);
C1=inv(B1);

B2=magic(8);
rB2=rank(B2)
dB2=det(B2);
C1=inv(B2); % this will result in an error message since B2 is not full rank.