Interval-valued Intuitionistic Fuzzy TOPSIS method for Supplier Selection Problem

Ashutosh Tiwari,Q. Lohani,Pranab K. Muhuri

Published 2020 in IEEE International Conference on Fuzzy Systems

ABSTRACT

In this paper, Interval-valued intuitionistic fuzzy set (IVIFS) is exploited to propose a generalization of fuzzy TOPSIS method. We have termed the proposed TOPSIS method as Interval-valued intuitionistic fuzzy TOPSIS method (IVIFSTOPSIS). Here, the IVIFS-TOPSIS handles the Supplier Selection problem in which linguistic variables based criteria description is given. The best supplier obtained by IVIFS-TOPSIS is in concurrence with the other well-known fuzzy TOPSIS methods. It is possible to use IVIFS-TOPSIS over other types of linguistic variable multi-criteria decision making (MCDM) problems.

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