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