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    题名: Deterministic economic production quantity models for fluctuating demand and unit purchase cost
    作者: Teng, Jinn-Tsair;Ouyang, Liang-Yuh;Chang, Chun-Tao
    贡献者: 淡江大學經營決策學系;淡江大學統計學系
    关键词: 經濟生產量;存貨管制;變動需求;變動成本;單位採購成本;Economic Production Quantity;Inventory Control;Fluctuating Demand;Fluctuating Cost;Unit Purchase Cost
    日期: 2002-06
    上传时间: 2009-11-30 13:40:13 (UTC+8)
    出版者: Taipei: Tamkang University
    摘要: In this paper, we assume that not only the demand function but alsothe unit purchase cost is fluctuating with time. We then prove thatthe optimal production schedule not only exists but is also unique . Inaddition, we also show that the total cost associated with theproposed inventory system is a convex function of the number ofreplenishments. Consequently, the search for the optimal number ofreplenishments is simplified to find a local minimum. We furtherprovide an accurate starting value for searching the optimalreplenishment number. Next, we characterize the influences of bothdemand and unit purchase cost over the length of production run timeand the economic production quantity. Finally, a numerical example isprovided not only to illustrate the proposed algorithms but also toverify the theoretical results.
    關聯: 2002年管理科學國際學術研討會論文集=Proceedings of the 2002 International Conference in Management Science, pp.405-422
    显示于类别:[管理科學學系暨研究所] 會議論文
    [統計學系暨研究所] 會議論文

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