iter =   0, Function value 1., Residual: 2.
iter =   0, Function value 0.771065, Residual: 4.79162
  iter =   0,   Function value 0.771065,   Residual: 4.79162
  iter =   1,   Function value 0.711445,   Residual: 1.71092
  iter =   2,   Function value 0.544103,   Residual: 2.82684
  iter =   3,   Function value 0.430694,   Residual: 2.7076
iter =   1, Function value 0.313526, Residual: 8.37407
  iter =   0,   Function value 0.313526,   Residual: 8.37407
  iter =   1,   Function value 0.200958,   Residual: 10.0005
  iter =   2,   Function value 0.112319,   Residual: 0.40244
  iter =   3,   Function value 0.0647673,   Residual: 1.98843
iter =   2, Function value 0.0320676, Residual: 4.20341
  iter =   0,   Function value 0.0320676,   Residual: 4.20341
  iter =   1,   Function value 0.00612001,   Residual: 3.49835
  iter =   2,   Function value 0.000185534,   Residual: 0.592852
  iter =   3,   Function value 1.22515e-05,   Residual: 0.0805077
iter =   3, Function value 2.18506e-08, Residual: 0.00385709
  iter =   0,   Function value 2.18506e-08,   Residual: 0.00385709
  iter =   1,   Function value 1.4342e-08,   Residual: 0.000111021
  iter =   2,   Function value 1.42552e-08,   Residual: 0.000408734
  iter =   3,   Function value 1.43885e-12,   Residual: 5.3099e-05