1iter = 0, Function value 1., Residual: 2. 2iter = 0, Function value 0.770447, Residual: 5.24792 3iter = 1, Function value 0.526409, Residual: 3.62426 4iter = 2, Function value 0.357435, Residual: 5.6789 5iter = 3, Function value 0.213476, Residual: 2.12473 6iter = 4, Function value 0.15103, Residual: 8.35263 7iter = 5, Function value 0.0602938, Residual: 0.498513 8iter = 6, Function value 0.0602938, Residual: 0.498513 9iter = 6, Function value 0.0422152, Residual: 0.981536 10iter = 7, Function value 0.0272106, Residual: 5.78829 11iter = 8, Function value 0.00376671, Residual: 0.10481 12iter = 9, Function value 0.00100332, Residual: 1.37574 13iter = 10, Function value 3.91613e-06, Residual: 0.00199986 14iter = 11, Function value 1.51399e-09, Residual: 0.00171541 15iter = 12, Function value 9.23908e-18, Residual: < 1.0e-6 16