Find (a) the orthogonal projection of b onto Col A and (b) a least-squares solution of Ax=b. – 1 4 A= 1 8 b= -1 – 1 4 4 a. The orthogonal projection of b onto ColA is 6= (Simplify your answers.) b. A least-squares solution of Ax=b is x = (Simplify your answers.)
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