Question: 1. The matrix A has the following QR factorization 2/3 1/3 A = QR = 1/3 2/3 0 2/3 2/3 7 (a) Find all solutions

1. The matrix A has the following QR factorization 2/3 1/3 A = QR = 1/3 2/3 0 2/3 2/3 7 (a) Find all solutions of ther SLE Ax = 20 26 (b) Find the least squares solution(s) of Ax =

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