nag_dposv (f07fac) Example Program Results Solution 1.0000 -1.0000 2.0000 -3.0000 Cholesky factor U 1 2 3 4 1 2.0396 -1.5297 0.2746 -0.0490 2 1.6401 -0.2500 0.6737 3 0.7887 0.6617 4 0.5347