nag_real_qr (f01qcc) Example Program Results QR factorization of A Vector zeta 1.2247 1.1547 1.2649 Matrix A after factorization (upper triangular part is R) -4.0000 -2.0000 -3.0000 0.4082 -3.0000 -2.0000 0.3266 -0.4619 -4.0000 0.4082 -0.5774 0.0000 0.2449 -0.3464 -0.6325