Constraint optimization problem(COP)的用法和样例：
例句
- Algorithms based on trust regions have been shown to be robust for unconstrained optimization problems.
摘要信赖域方法是解无约束优化问题的有效的和可靠的方法。 - This paper discusses optimization with nonlinear equality and inequality constraints under degeneracy.
摘要讨论了非线性不等式和等式约束优化问题在退化情形下的求解方法。
