运行个金融工具的方法,显示下面这些,请问这些都是什么意思哈
max Directional First-order
Iter F-count f(x) constraint Step-size derivative optimality Procedure
0 4 2626.8 -0.05348
1 26 2626.43 -0.05585 7.63e-006 -2.72e+003 128
2 32 2615.13 -0.02793 0.5 -2.52 596
3 38 2614.57 -0.01903 0.5 25.7 2.81e+003
4 44 2610.84 -0.01086 0.5 19.8 667
5 56 2610.76 -0.01265 0.00781 9.12 469
6 63 2608.38 -0.01277 0.25 4.05 838
7 68 2608.08 -0.01279 1 0.746 552
8 73 2608 -0.01077 1 0.243 122
9 79 2607.94 -0.01194 0.5 0.0327 157
10 84 2607.93 -0.01205 1 0.00967 50.9
11 89 2607.93 -0.01201 1 -5.91e-006 0.462
12 94 2607.93 -0.012 1 2.12e-006 0.239
13 99 2607.93 -0.012 1 2.27e-008 0.00555 Hessian modified