Some models for generating and ranking multiplicative weights

Some models for generating and ranking multiplicative weights
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用于生成和排序乘法权重的一些模型

DOI:
10.1016/j.cie.2013.05.006
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发表时间:
2013-08
影响因子:
7.9
通讯作者:
Jiang, Yong
Jiang, Yong
中科院分区:
工程技术2区
文献类型:
--
作者:
Lin, Jian;Lan, Jibin;Jiang, Yong

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在乘性层次分析法中,经常需要对乘性区间和模糊权重进行排序。现行的排名方法被发现有缺陷,需要修改。首先给出了乘性区间权排序的一个正确公式,并给出了相关的性质和引理。其次,针对两阶段对数目标规划(TLGP)方法在不同α-截集下得到的区间权值排序不同的问题,提出了一种近似调整(AAM)方法来生成乘性三角模糊权值。为了比较两个乘性三角模糊权重,提出了乘性三角模糊权重的几何平均质心。因此,基于上述模型和公式,提出了一种实用的决策算法。最后通过两个数值算例说明了该方法的实用性和有效性。
The ranking of multiplicative interval and fuzzy weights is often necessary in multiplicative analytic hierarchy process. The existing ranking method is found flawed and needs to be revised. Firstly, this paper presents a correct formula for ranking multiplicative interval weights, and offers the relevant properties and lemmas to support them. Secondly, since different rank orders of interval weights are derived by the two-stage logarithmic goal programming (TLGP) method under differentα-cuts, an approximation and adjustment (AAM) method is developed to generate multiplicative triangular fuzzy weights. In order to compare two multiplicative triangular fuzzy weights, the geometric mean centroid of multiplicative triangular fuzzy weight is proposed. Thus, a practical algorithm for decision making is introduced based on the above model and formulas. Finally, two numerical examples are provided to illustrate the practicality and validity of the proposed method.
DOI: 10.1016/j.cor.2007.05.002
发表时间: 2008-12
期刊: Comput. Oper. Res.
影响因子: --
作者:
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