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 0.0446281, Residual: 2.0861 
iter =   7, Function value 0.0187566, Residual: 2.93937 
iter =   8, Function value 0.00508253, Residual: 0.711793 
iter =   9, Function value 0.000953073, Residual: 1.0212 
iter =  10, Function value 4.20082e-05, Residual: 0.0640879 
iter =  11, Function value 1.74442e-07, Residual: 0.0158491 
iter =  12, Function value 2.32513e-12, Residual: 1.55981e-05 
iter =  13, Function value 6.03683e-22, Residual: < 1.0e-6 
