Elsevier

Fuzzy Sets and Systems

Volume 29, Issue 2, 30 January 1989, Pages 145-153
Fuzzy Sets and Systems

A subjective approach for ranking fuzzy numbers

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Abstract

Starting from a subjective assignation of weights related to the relative importance of the different level sets, we define a new method of comparison of fuzzy numbers. This procedure is an extension of some well-known indices (Adamo, Tsumura et al., Yager). Some properties of our index are studied in this paper, as well as its behaviour on several particular cases.

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