Methods for fuzzy complementary preference relations based on multiplicative consistency

  • Authors:
  • Meimei Xia;Zeshui Xu

  • Affiliations:
  • Southeast University, School of Economics and Management, Jiulonghu, Nanjing, China;Southeast University, School of Economics and Management, Jiulonghu, Nanjing, China

  • Venue:
  • Computers and Industrial Engineering
  • Year:
  • 2011

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Abstract

To improve the consistency of a preference relation is a hot topic in decision making. Wang and Chen (2008) gave a simple method to construct the complete fuzzy complementary preference relation from only n-1 pairwise comparisons. However, some values may not be in the defined scope and need to be transformed, and thus some original information may be lost in the transformation process. In this paper, we propose a new method to avoid this issue based on the multiplicative consistency of the fuzzy complementary preference relation and apply it to fuzzy Analytic Hierarchy Process (AHP). An example is further given to illustrate our method.