Initial function norm = 0.207564
   linear solve iterations = 2, xnorm=1.21872, ynorm=0.228979
Iteration 1, function norm = 0.0148968
   linear solve iterations = 2, xnorm=1.23797, ynorm=0.0192507
Iteration 2, function norm = 0.000113967
   linear solve iterations = 2, xnorm=1.23812, ynorm=0.000149569
Iteration 3, function norm = 6.92417e-09
Number of nonlinear iterations = 3
