• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 19 Issue 2
Apr.  2006
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Article Contents
ZHOU Qunyan, TIAN Peng, TIAN Zhiyou. Consistency Improvement of Comparison Matrix Based on Geometric Consistency Index[J]. Journal of Southwest Jiaotong University, 2006, 19(2): 236-240.
Citation: ZHOU Qunyan, TIAN Peng, TIAN Zhiyou. Consistency Improvement of Comparison Matrix Based on Geometric Consistency Index[J]. Journal of Southwest Jiaotong University, 2006, 19(2): 236-240.

Consistency Improvement of Comparison Matrix Based on Geometric Consistency Index

  • Received Date: 14 May 2004
  • Publish Date: 25 Apr 2006
  • A new criterion,consistency-credibility degree,of comparison matrix was defined by introducing the principle of "possibility-satisfiability degree" to overcome the deficiencies of available consistency improving methods.Row geometric mean method (RGMM) was taken for determining weights,and geometric consistency index (GCI) was taken as consistency measure.Then a new consistency improving method was proposed.An example was presented to show that this method abstains from the unreasonableness of traditional improving criterions,and the optimal improved matrix obtained preserves the original preference information as much as possible as well as improving the consistency of comparison matrix.

     

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