F07PRF Example Program Results Details of factorization 1 2 3 4 1 (-1.3600, 0.0000) 2 ( 3.9100,-1.5000) (-1.8400, 0.0000) 3 ( 0.3100, 0.0433) ( 0.5637, 0.2850) (-5.4176, 0.0000) 4 (-0.1518, 0.3743) ( 0.3397, 0.0303) ( 0.2997, 0.1578) (-7.1028, 0.0000) IPIV -4 -4 3 4