When possible, use the provided matrices to complete questions 1-9 as needed. Note that some of the requested calculations may not be well-defined, and if so, simply. indicate that in your response. Use MATLAB to verify your answers (and please turn in your MATLAB code as well). (1) A + B (2) B+C (3) AB (4) ED (5) B'D A = (6) tr(AC). (8) Calculate 3 0 -3-2 5 0 - D -3 B = T || 3 -4 4 4 4 53 03 -3 5 5 -2 4 C E = 322 -4 2 3 (7) Suppose w is the row vector w = [50-3]. Calculate wDw'. [ 1 4 24 2