Using this extended quadratic optimization theorem, the necessary and sufficient condition for the existence of stable quadratic optimal closed-loop system is obtained.
利用这个推广的二次最优定理，得到了存在稳定的二次最优闭环系统的充要条件。
The finite basis theorem of polyhedron plays an important part in the theoretical research and the algorithm design of optimization methods.
多面体有限基定理在最优化方法的理论研究与算法设计中起一着重要作用。
The limit external load could therefore be solved from the upper bound limit theorem, and its minimum value could be obtained from the optimization method.
然后，根据上限定理可以求得与滑动机构相对应的极限外载荷，并通过非线性数学规划法找到其最小值。
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