1iter = 0, Function value 1., Residual: 2. 2iter = 0, Function value 0.771065, Residual: 4.79162 3iter = 1, Function value 0.532904, Residual: 4.3685 4iter = 2, Function value 0.350686, Residual: 4.05813 5iter = 3, Function value 0.217573, Residual: 3.95913 6iter = 4, Function value 0.123952, Residual: 3.40934 7iter = 5, Function value 0.0636635, Residual: 3.18375 8iter = 6, Function value 0.0274548, Residual: 2.16918 9iter = 7, Function value 0.00941728, Residual: 1.80404 10iter = 8, Function value 0.00205014, Residual: 0.752048 11iter = 9, Function value 0.000205297, Residual: 0.367351 12iter = 10, Function value 3.68995e-06, Residual: 0.0380552 13iter = 11, Function value 1.66478e-09, Residual: 0.0011571 14iter = 12, Function value 3.55089e-16, Residual: < 1.0e-6 15