BFGS
Iter         F
   0    4.0100E+002
   1    2.1263E-001
   2    2.1098E-001
   3    1.4342E-001
   4    4.9606E-002
   5    3.5247E-002
   6    1.4977E-002
   7    2.0816E-006
   8    6.3769E-007
   9    7.6641E-013
