Deriving interval weights from an interval multiplicative consistent fuzzy preference relation

Authors:
Jibin Lan;Mingming Hu;Xinmiao Ye;Shiquan Sun
Affiliations:
College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi 530004, China;College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi 530004, China;College of Mathematics and Information Science, Guangxi University, Nanning, Guangxi 530004, China;College of Mathematics, Xidian University, Xi'an, Shaanxi 710071, China
Venue:
Knowledge-Based Systems
Year:
2012

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Abstract

In this paper, relations between a multiplicative consistent interval fuzzy preference relation and an additive consistent interval fuzzy preference relation are established. Based on the new relations, a new method (Algorithm 3) is proposed to derive interval weights by transforming a multiplicative consistent interval fuzzy preference relation into an additive consistent interval fuzzy preference relation, collecting additive consistent information (Algorithm 2), transforming back into multiplicative consistent information and calculating the interval weights by Eq. (20). Finally, two numerical examples are given to illustrate the new method.