1iter = 0, Function value -0.330579, Residual: 0.728961 2iter = 1, Function value -0.391218, Residual: 0.386209 3iter = 2, Function value -0.411944, Residual: 0.211482 4iter = 3, Function value -0.424594, Residual: 0.10404 5iter = 4, Function value -0.426064, Residual: 0.11195 6iter = 5, Function value -0.427253, Residual: 0.0325694 7iter = 6, Function value -0.427501, Residual: 0.0242395 8iter = 7, Function value -0.42772, Residual: 0.0124806 9iter = 8, Function value -0.427742, Residual: 0.00555245 10