Question: Let 2 1 A = 1 1 and b = 2 2 1 6 (a) Factor A into a product QR, where Q has

Let 2 1 A = 1 1 and b = 2 2

Let 2 1 A = 1 1 and b = 2 2 1 6 (a) Factor A into a product QR, where Q has orthonormal set of column vectors and R is an upper triangular matrix with positive diagonal entries. (b) Solve the least squares solution to Ax = b.

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