nag_zpbtrf (f07hrc) Example Program Results Factor 1 2 3 4 1 ( 3.0643, 0.0000) 2 ( 0.3524, 0.5646) ( 1.1167, 0.0000) 3 (-0.0358,-0.2597) ( 1.6066, 0.0000) 4 (-0.2054,-1.3942) ( 0.4289, 0.0000)