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    题名: Deterministic economic production quantity models with time-varying demand and 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
    关键词: Production/Inventory;Lot-size;Time-varying cost;Time-varying demand
    日期: 2005-12-01
    上传时间: 2009-11-30 12:21:56 (UTC+8)
    出版者: Elsevier
    摘要: In today’s time-based competition, the unit cost of a high-tech product declines significantly over its short product life cycle. Consequently, in this paper, we relax the traditional economic production quantity model to allow for time-varying cost. We then prove that the optimal production schedule uniquely exists. In addition, we also show that the total cost is a convex function of the number of replenishments, which reduces the search for the optimal solution to finding a local minimum. Furthermore, we characterize the influences of both demand and cost over the length of production run time and the economic production quantity.
    關聯: Applied Mathematical Modelling 29(10), pp.987-1003
    DOI: 10.1016/j.apm.2005.02.002
    显示于类别:[統計學系暨研究所] 期刊論文
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