Problem 1. Consider the system of equations Ax = b where A Rmxn, x Rnx1, and...

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Problem 1. Consider the system of equations Ax = b where A Rmxn, x Rnx1, and b Rmx1 (a) If m> n, show that the solution to the normal equations, x = (ATA)-Ab, minimizes the L error ||Ax-b||2. (b) Show that if m Problem 1. Consider the system of equations Ax = b where A Rmxn, x Rnx1, and b Rmx1 (a) If m> n, show that the solution to the normal equations, x = (ATA)-Ab, minimizes the L error ||Ax-b||2. (b) Show that if m