teration 1036: log likelihood = -5.9147754  (backed up)
BFGS stepping has contracted, resetting BFGS Hessian (32)
Iteration 1037: log likelihood = -5.9122384  (backed up)
Iteration 1038: log likelihood = -5.9117067  (backed up)
Iteration 1039: log likelihood = -5.9102967  (backed up)
Iteration 1040: log likelihood = -5.9050203  (backed up)
Iteration 1041: log likelihood = -5.9021055  (backed up)
Iteration 1042: log likelihood =  -5.885414  (backed up)
Iteration 1043: log likelihood = -5.8827354  (backed up)
Iteration 1044: log likelihood = -5.8825073  (backed up)
(switching optimization to BHHH)



做一个滚动garch模型，结果其中有些极大似然函数到了1000+还在往下做，请问各位大神有没有办法设置极大似然函数超过200步就自动停止之类的？