A new approach for ranking of trapezoidal fuzzy numbers

被引：287
作者：
Abbasbandy, S. [1 ]
Hajjari, T. [1 ]
机构：
[1] Islamic Azad Univ, Dept Math, Sci & Res Branch, Tehran 14778, Iran
来源：
COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2009年 / 57卷 / 03期
关键词：
Ranking of fuzzy numbers; Trapezoidal fuzzy number; Parametric form of fuzzy number; Magnitude of fuzzy number; SET;
D O I：
10.1016/j.camwa.2008.10.090
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Ranking fuzzy numbers plays an very important role in linguistic decision making and some other fuzzy application systems. Several strategies have been proposed for ranking of fuzzy numbers. Each of these techniques have been shown to produce non-intuitive results in certain cases. In this paper, we will introduce a new approach for ranking of trapezoidal fuzzy numbers based on the left and the right spreads at some or-levels of trapezoidal fuzzy numbers. The calculation of the proposed method is far simpler and easier. Finally, some comparative examples are used to illustrate the advantage of the proposed method. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：413 / 419
页数：7
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