F07CHF Example Program Results Solution(s) 1 2 1 -4.0000 5.0000 2 7.0000 -4.0000 3 3.0000 -3.0000 4 -4.0000 -2.0000 5 -3.0000 1.0000 Backward errors (machine-dependent) 7.2E-17 5.9E-17 Estimated forward error bounds (machine-dependent) 9.4E-15 1.4E-14