iter = 0, Function value -0.330579, Residual: 0.728961 
iter = 1, Function value -0.391218, Residual: 0.386209 
iter = 2, Function value -0.410837, Residual: 0.220052 
iter = 3, Function value -0.424596, Residual: 0.103483 
iter = 4, Function value -0.426187, Residual: 0.109496 
iter = 5, Function value -0.427318, Residual: 0.030335 
iter = 6, Function value -0.42753, Residual: 0.023473 
iter = 7, Function value -0.427727, Residual: 0.011060 
iter = 8, Function value -0.427744, Residual: 0.002196 
