1iter = 0, Function value 1., Residual: 2. 2 iter = 0, Function value 1., Residual: 2. 3 iter = 0, Function value 0.773446, Residual: 6.07754 4 iter = 1, Function value 0.685143, Residual: 1.61524 5 iter = 2, Function value 0.510078, Residual: 5.20164 6 iter = 3, Function value 0.412678, Residual: 3.90101 7iter = 1, Function value 0.264743, Residual: 4.49436 8 iter = 0, Function value 0.264743, Residual: 4.49436 9 iter = 1, Function value 0.239638, Residual: 0.701683 10 iter = 2, Function value 0.16141, Residual: 2.55397 11 iter = 3, Function value 0.104711, Residual: 4.14592 12iter = 2, Function value 0.050007, Residual: 2.03076 13 iter = 0, Function value 0.050007, Residual: 2.03076 14 iter = 1, Function value 0.0470127, Residual: 0.348735 15 iter = 2, Function value 0.0274985, Residual: 0.856414 16 iter = 3, Function value 0.00713401, Residual: 0.947875 17iter = 3, Function value 0.00152827, Residual: 1.16337 18 iter = 0, Function value 0.00152827, Residual: 1.16337 19 iter = 1, Function value 0.00105739, Residual: 0.678808 20 iter = 2, Function value 0.000283693, Residual: 0.0566317 21 iter = 3, Function value 8.48853e-05, Residual: 0.327876 22iter = 4, Function value 5.07953e-07, Residual: 0.007815 23 iter = 0, Function value 5.07953e-07, Residual: 0.007815 24 iter = 1, Function value 4.77085e-07, Residual: 0.000863854 25 iter = 2, Function value 1.70402e-07, Residual: 0.000369054 26 iter = 3, Function value 1.69698e-07, Residual: 0.00123186 27iter = 5, Function value 2.85644e-12, Residual: 7.52633e-05 28