Question: Answer correctly and explain clearly and without copying from internet 2. Find (i) the orthogonal projection of b onto Col A and (ii) a least-squares

Answer correctly and explain clearly and without copying from internet

2. Find (i) the orthogonal projection of b onto Col A and (ii) a least-squares solution of Ax - b. Also (iii) compute the least-squares error associated with the least-squares solution. O 0 5 (b) A = b= 6 5 Answer: (b) b - (5, 2, 3, 6) and X - (1/3, 14/3, -5/3)

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