ce of least squates solutions. Problem III.3 (5 points), Consider matrix B (as in the right)….

ce of least squates solutions. Problem III.3 (5 points), Consider matrix B (as in the right). Find the QR factorization of B. That is, find a matrix Q whose columns are orthonormal and an upper triangular square mnatrix R with positive diagonal entries such that B QR. -2 1 24-1 B 3= 243 -2 1 Hìnt. Apply the Gram-Schmidt process. Keep track of the relevant linear combinationas