考虑双供应商的维护和备件订购联合决策优化
叶鸿庆, 苏华德, 郑美妹, 夏唐斌

Joint Optimization of Replacement and Spare Parts Ordering with Dual Sourcing
YE Hongqing, SU Huade, ZHENG Meimei, XIA Tangbin
图3 最优决策策略
Fig.3 Optimal strategy of value iteration algorithm