Ranking of Intuitionistic Fuzzy Number by Centroid Point

Abstract

The notion of Intuitionistic Fuzzy Numbers (IFNs) has been improved in many decision making problems. Ranking of IFNs is one of the techniques that conceptualize IFNs to illustrate order or preference in decision making. Ranking of IFNs plays a very important role in multi- criteria decision making, optimization and in many different fields but ranking of IFNs is not a very easy process. As far as our knowledge is concerned, the number of existing methods for ranking of IFNs in the literature is very few. In this paper a new method has been proposed for ranking of IFNs by determining centroid point of IFNs. Examples have been given to compare the proposed method with the existing ranking results. The results show that the new method can overcome the drawbacks of the existing methods. 

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