Question: Matlab: solve the system Ax = b with A = 31 8 11 8 15 6 11 6 25 , b = 8 4 13

Matlab: solve the system Ax = b with A = 31 8 11 8 15 6 11 6 25 , b = 8 4 13 , using the rref command and print on screen the error vector Ax b, and compute its norm norm(A*x - b). Compare this error to the error you obtain when using the backslash operator \ to solve the system above.

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