Question: Compute the least-squares error associated with the least squares solution found in Exercise 4. Data from in Exercise 4 Find a least-squares solution of Ax

Compute the least-squares error associated with the least squares solution found in Exercise 4.



Data from in Exercise 4


Find a least-squares solution of Ax = b by 


1 1 ^-+-+-+- A = 1 -4, b= 1 1 9 2



1 1 ^-+-+-+- A = 1 -4, b= 1 1 9 2 5

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