constrained fitting的用法和样例：
例句
- The filter method is a class of effective method for nonlinearly constrained optimization.
摘要过滤器算法是求解约束优化问题的一类有效算法。 - This paper gives a feasible trust-region dogleg path algorithm for solving nonlinear inequality constrained optimization problems.
本文给出了一个求解非线性不等式约束优化问题的可行信赖域折线算法。
