Question: 4. Consider the least squares problem Ax ~b, with A = 3 6 b = First, observe a condensed SVD for A and find its

4. Consider the least squares problem Ax ~b, with A = 3 6 b = First, observe a condensed SVD for A and find its Pseduoinverse At. Second, determine the set of all LS solutions. Third, among all LS solutions, find the one with minimum 2-norm. 5. Consider the least squares problem Ax ~ b, with O OH A = b = 0 First, use QR factorization to find the least squares solution x. Second, find the Pseduoinverse At. Verify that Atb = x

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