摘要
We investigate the decision-making problem with a finite set of alternatives,in which the decision information takes the form of a fuzzy preference relation. We develop asimple and practical approach to obtaining the priority vector of a fuzzy preference relation. Theprominent characteristic of the developed approach is that the priority vector can generally beobtained by a simple formula, which is derived from a quadratic programming model. We utilize theconsistency ratio to check the consistency of fuzzy preference relation. If the fuzzy preferencerelation is of unacceptable consistency, then we can return it to the decision maker to reconsiderstructuring a new fuzzy preference relation until the fuzzy preference relation with acceptableconsistency is obtained. We finally illustrate the priority approach by two numerical examples. Thenumerical results show that the developed approach is straightforward, effective, and can easily beperformed on a computer.
研究了决策信息以模糊偏好关系给出的有限方案决策问题,提出了一种简洁且实用的模糊偏好关系排序方法.该方法首先建立一个二次规划模型,然后基于该模型推导出求解模糊偏好关系排序向量的一个简洁公式.基于获得的排序向量,利用一致性比例对模糊偏好关系进行一致性检验.对于一致性较差的模糊偏好关系,则需反馈给决策者重新进行判断,直至得到一个一致性可接受的模糊偏好关系为止.最后,利用2个算例对该方法进行分析和说明,数值结果表明该方法简洁、有效,且易于在计算机上操作.
基金
ChinaPostdoctoralScienceFoundation(No.2003034366).
