• SOME RANKING METHODS FOR OCTAGONAL FUZZY NUMBERS

Dhanalakshmi V, Felbin C. Kennedy, India.

Abstract


In this paper, we propose some ranking methods of octagonal fuzzy numbers. Ranking based on area between centroid point of an octagonal fuzzy number and the origin, area between radius of gyration point of an octagonal fuzzy number and the origin, sign distance and deviation degree are dealt with in detail. Also a ranking algorithm to check the uniqueness of the octagonal fuzzy number is developed. All the methods are compared for few setsof octagonal fuzzy numbers.


Keywords


Octagonal fuzzy number, ranking, centroid, radius of gyration, deviation degree.

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