Assignment:
Let A= (1 0 -1 and b=(1
1 2 1 1
1 1 -3 1
0 1 1) 1)
Q1) Determine the QR factorization of A
Q2) Use the QR factors in 1) to determine the lease squares solution to Ax=b. Ax=b is the solution related to Rx=Q^Tb
Provide complete and step by step solution for the question and show calculations and use formulas.