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If A is m n, m > n, with full column rank, the least-squares solution to Ax ~ b P16.3.2 satisfies the normal equations AT

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If A is m n, m > n, with full column rank, the least-squares solution to Ax ~ b P16.3.2 satisfies the normal equations AT Az ATb. Solve the system 4 56 using a) a QR decomposition, b) the SVD decomposition. 10

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