A New Method for Ordering Fuzzy Number


Authors

S. H. Nasseri - Department of Mathematics, University of Mazandaran, Babolsar, IRAN F. Taleshian - Department of Mathematics, University of Mazandaran, Babolsar, IRAN Z. Alizadeh - Department of Mathematics, University of Mazandaran, Babolsar, IRAN J. Vahidi - Department of Mathematics, Science and Technology of Behshahr, Behshahr, IRAN


Abstract

Ranking fuzzy numbers is an important aspect of decision making in a fuzzy environment. In fuzzy decision making problems, fuzzy numbers must be ranked before an action is taken by a decision maker. This article is about ranking Fuzzy numbers and describes a ranking method for ordering LR fuzzy numbers based on the area of fuzzy numbers. This method is simple in evaluation and can rank various types of LR fuzzy numbers and also crisp numbers which are considered to be a special class of fuzzy numbers.


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