F07NRF Example Program Results Details of factorization 1 2 3 4 1 (-0.3900,-0.7100) 2 (-7.8600,-2.9600) (-2.8300,-0.0300) 3 ( 0.5279,-0.3715) (-0.6078, 0.2811) ( 4.4079, 5.3991) 4 ( 0.4426, 0.1936) (-0.4823, 0.0150) (-0.1071,-0.3157) (-2.0954,-2.2011) IPIV -3 -3 3 4