nag_dpbsv (f07hac) Example Program Results Solution 5.0000 -2.0000 -3.0000 1.0000 Cholesky factor U 1 2 3 4 1 2.3431 1.1438 2 2.0789 -1.1497 3 1.1306 -1.9635 4 1.1465