Document Type : Original Article
Department of Management, Humanities College, Hazrat-e Masoumeh University, Qom, Iran.
Department of Mathematics, Tabriz Branch, Islamic Azad University, Tabriz, Iran.
This note shows that the parametric ranking method proposed by Darehmiraki [M. Darehmiraki, A novel parametric ranking method for intuitionistic fuzzy numbers, Iranian Journal of Fuzzy Systems, 16(1) (2019), 129-143] is not correct. By two appropriate examples, we show that the developed index for ranking intuitionistic fuzzy numbers is not suitable and implies wrong results.
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