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頁籤選單縮合
題名 | A Fuzzy Newsvendor Problem with Hybrid Data of Demand=一種具混合需求之模糊報童問題 |
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作者 | 呂惠富; Lu, Huei-fu; |
期刊 | 工業工程學刊 |
出版日期 | 20081100 |
卷期 | 25:6 2008.11[民97.11] |
頁次 | 頁472-480 |
分類號 | 494.578 |
語文 | eng |
關鍵詞 | 模糊集合; 報童問題; 混合資料; 模糊需求; Fuzzy sets; Newsvendor problem; Hybrid data; Fuzzy demand; |
中文摘要 | 本研究運用模糊報童理論以及導入機率模糊集合方法來分析單期存貨管理總成本最小化下之最適訂購策略。經過解模糊化後,發現當需求的模糊變量很小時,模糊模式與傳統模式在訂購量與期望總成本的變化上差異並不大。因此,本研究證明了模糊報童模式是傳統模式的一種延伸。另外,以指數分配爲例,也獲致以模糊方法所推導的結果將優於傳統方法對未知需求的單點估計之結論。 |
英文摘要 | This paper is to apply a fuzzy newsvendor inventory management approach to analyze optimal order policy based on probabilistic fuzzy sets with hybrid data so that the expected total cost is minimized. We will find that, after defuzzification, the ordering quantity and the expected total cost are slightly different between the fuzzy model and the crisp model when the variation of demand is small. As a result, we verify that the fuzzy newsvendor model is one extension of the crisp models. Most importantly, one may conclude that the fuzzy methodology leads to a better result than using a single point estimate of the unknown demand under the example of exponential distribution. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。