Question: Find a least-squares solution of Ax = b by (a) Constructing the normal equations for x (b) Solving for x. A = 1-2 2

Find a least-squares solution of Ax = b by 


(a) Constructing the normal equations for x̂  


(b) Solving for x̂. 


A = 1-2 2 3 5 -1 0 2 b || 1

A = 1-2 2 3 5 -1 0 2 b || 1 -4 2

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