In recent years, some score functions (SFs) for ranking interval-valued intuitionistic fuzzy values (IVIFVs) have been developed. However, the drawbacks of the existing SFs of IVIFVs are that they cannot differentiate the ranking orders of IVIFVs in some situations. In this paper, we propose a novel SF of IVIFVs to conquer the shortcomings of the existing SFs of IVIFVs. The proposed SF of IVIFVs is very useful for ranking IVIFVs.

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A Novel Score Function for Ranking Interval-Valued Intuitionistic Fuzzy Values

  • Shyi-Ming Chen,
  • Cheng-Yu Hsieh,
  • Xin-Yao Zou

摘要

In recent years, some score functions (SFs) for ranking interval-valued intuitionistic fuzzy values (IVIFVs) have been developed. However, the drawbacks of the existing SFs of IVIFVs are that they cannot differentiate the ranking orders of IVIFVs in some situations. In this paper, we propose a novel SF of IVIFVs to conquer the shortcomings of the existing SFs of IVIFVs. The proposed SF of IVIFVs is very useful for ranking IVIFVs.