Question: Problem #1: Enter the following 3 matrices into Matlab, Problem #1(a): Problem #1(b): -27 28 -48 38 2 -47 -18 -44 7 -6 26

Problem #1: Enter the following 3 matrices into Matlab, Problem #1(a): Problem #1(b): -27 28 -48 38 2 -47 -18 -44 7 -6 26 A=-14 35 -30 -14 B = -1 -18 46 -1 -25 -41 -30 C= -2 -32 -13 44 33 -44 -5 17 23 17 2 44 38 14658 To check that you have correctly entered these matrices into Matlab, verify that ATCB= -33815 2227 62675 -3337 -44933 109842 42703 -24803 -68129 49438 -24542 11410 34418 -31620 24953 -58782 and that tr (ACB) = 13508. (a) Let D=CBAT. Find d42 (i.e., find the entry in row 4, column 2 of the matrix D) (b) Let E = ABTCT. Find tr (E) (c) Let F be the reduced row echelon form of ATCB. Find f14. (i.e., find the entry in row 1, column 4, of the reduced row echelon form of ATCB).

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