F07NVF Example Program Results Solution(s) 1 2 1 ( 1.0000,-1.0000) (-2.0000,-1.0000) 2 (-2.0000, 5.0000) ( 1.0000,-3.0000) 3 ( 3.0000,-2.0000) ( 3.0000, 2.0000) 4 (-4.0000, 3.0000) (-1.0000, 1.0000) Backward errors (machine-dependent) 8.9E-17 7.3E-17 Estimated forward error bounds (machine-dependent) 1.2E-14 1.2E-14