The N1 and N2 values are up to you. But please noticed the values before the code.

In Matlab, an array A has been defined as follows: A=[N1 0.2*N2 N2*N1; 2*N1 0.01*N2 5*N2; -N2 N2/1.98 2.79*N2] For the matlab command, y=A(:,N1), z=A(1:N1,1:3) What do Matlab outputs for y/z, y*z and z^2, y