iter =   0, Function value 1., Residual: 2. 
iter =   1, Function value 0.773446, Residual: 6.07754 
iter =   2, Function value 0.648599, Residual: 3.22619 
iter =   3, Function value 0.560405, Residual: 5.47111 
iter =   4, Function value 0.379185, Residual: 3.01163 
iter =   5, Function value 0.280758, Residual: 2.68641 
iter =   6, Function value 0.187322, Residual: 3.79008 
iter =   7, Function value 0.129223, Residual: 6.25714 
iter =   8, Function value 0.109359, Residual: 0.457081 
iter =   9, Function value 0.0850782, Residual: 0.947479 
iter =  10, Function value 0.0601226, Residual: 3.23459 
iter =  11, Function value 0.0405972, Residual: 3.66979 
iter =  12, Function value 0.0184958, Residual: 1.74345 
iter =  13, Function value 0.00898862, Residual: 0.107315 
iter =  14, Function value 0.0055351, Residual: 1.48463 
iter =  15, Function value 0.00353836, Residual: 1.42643 
iter =  16, Function value 0.000594591, Residual: 0.176618 
iter =  17, Function value 0.000129325, Residual: 0.426129 
iter =  18, Function value 5.15731e-06, Residual: 0.0678303 
iter =  19, Function value 3.41458e-08, Residual: 0.00753488 
iter =  20, Function value 6.97611e-11, Residual: 0.000118185 
iter =  21, Function value 6.39488e-13, Residual: 2.54343e-05 
