question archive Let A be the matrix given by a) Find a least-squares solution to the matrix equation A * x = b where b = [2 1 7 9 5]
Let A be the matrix given by a) Find a least-squares solution to the matrix equation A * x = b where b = [2 1 7 9 5]
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Let A be the matrix given by a) Find a least-squares solution to the matrix equation A * x = b where b = [2 1 7 9 5]. Explain why the solution is unique. b) Find the least-squares approximation to b by a vector in C(A) the column space of A. Use this to compute the distance between b and the subspace C(A).
