B-(40p) Determine the coefficient matrix inverse in MATLAB.

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11.875 0 -1.875 -10 10 0 0 -10 0 0 26.25 - 11.25 -15 0 0 0 AC = B 0 0 0 0 0 CM (10) 0 0 0 0 0 0 -5 0 0 0 15 0 -5 0 0 0 53 0 -3 0 -15 -40 13 0 0 0 -13 0 15.5 0 0 0 -13 -2.5 13 ||C8.4 0,1 0 CA.2 0 C3.2 0 CA3 -3 C8.3 0 0 0 0 0 0 0 CA. 0 0 CB Cu = 0.8421 08.1 = 0.1578 12 = 0.3400 C8.2 = 0.9932 943 = 0.1010 08.3=1.8989 C4,4 = 0.0847 98.4 -1.9152 C. CAA CB.4 =