Question: Problem 4. Consider 0 1 1 1 A = and b = 0 -1 1 1 0 Show that the least squares solution of Ax

Problem 4. Consider 0 1 1 1 A = and b = 0 -1 1 1 0 Show that the least squares solution of Ax = b is not unique. Solve the normal equations to find all least squares solutions. Hint: The RREF might be helpful.]

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