iter =   0, Function value 1., Residual: 2. 
iter =   1, Function value 0.791905, Residual: 3.15898 
iter =   2, Function value 0.735272, Residual: 8.61386 
iter =   3, Function value 0.599666, Residual: 2.695 
iter =   4, Function value 0.471982, Residual: 1.38514 
iter =   5, Function value 0.390194, Residual: 4.06039 
iter =   6, Function value 0.313901, Residual: 6.38821 
iter =   7, Function value 0.198935, Residual: 0.65438 
iter =   8, Function value 0.159664, Residual: 2.29449 
iter =   9, Function value 0.130565, Residual: 3.76042 
iter =  10, Function value 0.0863548, Residual: 4.34492 
iter =  11, Function value 0.0468268, Residual: 0.341378 
iter =  12, Function value 0.0298555, Residual: 2.55348 
iter =  13, Function value 0.0190191, Residual: 2.93464 
iter =  14, Function value 0.00645537, Residual: 0.526141 
iter =  15, Function value 0.00373702, Residual: 2.4349 
iter =  16, Function value 0.00149341, Residual: 0.164182 
iter =  17, Function value 0.000622109, Residual: 0.167388 
iter =  18, Function value 3.7352e-05, Residual: 0.233549 
iter =  19, Function value 6.65726e-06, Residual: 0.102553 
iter =  20, Function value 5.1701e-09, Residual: 0.00232561 
iter =  21, Function value 2.16521e-12, Residual: 5.29036e-05