nonconvex optimization的用法和樣例：
例句
- However, the global astringency of the interior point method for nonconvex problems is doubtml theoretically.
但在理論上，內點法求解非凸優化問題時的全局收斂性能受到質疑。 - Furthermore, a convex optimization problem with LMI constraints is formulated to design the optimal guaranteed cost fault-tolerant controller.
進而，通過建立和求解一個線性矩陣不等式組約束的凸優化問題，給出了優化保成本容錯控制器的設計方法。
