Question: Write a MATLAB code of subspace iteration, and compute the 4 dominant eigenvalues of the attached matrix in .mat file to tolerance 10 -12 .

Write a MATLAB code of subspace iteration, and compute the 4 dominant eigenvalues of the attached matrix in .mat file to tolerance 10^-12. Plot a semilogy figure of the eigen residual norm and report the number of iterations needed.

(could you please show the code and the output from the code so I can compare my code with it. Thanks)

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