In many global optimization problems, there exist some monotonous relations between parameters and some objectives, although the objective and constrain condition functions are nonlinear.

• 在很多全局优化问题中 ；尽管目标函数和限制条件通常为非线性的 ；但仍会遇到某些参数和某些目标之间存在一些已知的单调关系 .