zhangtao 发表于 2010-3-29 10:27 
请问格点搜索的思想是什么?和其他优化方法有什么联系和区别?
Evaluate the function value at each grid point and find min/max.
Usually a software will use the point as starting value for an optimization problem.
If there is no way to solve your optimization problem, the grid search approach is an alternative. But it has drawbacks. It may be slow and inaccuracy.