7. Create two matrices A and B: B=[4 12 -8 1 3 71 a. Comp u te C1 - A +-B and C2 = A - B and analyze how the C1 A +B and C2AB and analyze how the operations are performed. and D2 the same? If not why? D3 A. *B and D4 B. *A. Are D3 and D4 the same? If so why? b. Compute the matrix products Dl A*B and D2 B A. Are D1 c. Now, using element-wise multiplication (." compute d. Is D1 = D3 and is D2 = D4 ? Why? 8. Run the following MATLAB code and analyze the obtained results