Journal of Japan Industrial Management Association
Online ISSN : 2432-9983
Print ISSN : 0386-4812
Fuzzy Operations Rules : Operations on Fuzzy Numbers by Using Level Sets and Its Applications (Part I)
Yoshimasa NAKAMURA
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1984 Volume 35 Issue 2 Pages 98-103

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Abstract
The concepts of operations on fuzzy numbers have been introduced by L.A.Zadeh using the Extension Principle. Since then, several authors have investigated properties and proposed applications of fuzzy numbers. This paper considers basic operations on fuzzy numbers by using α-level sets, which have been treated by D. Dubois and H. Prade in a practical way and propose some operations rules on fuzzy numbers in a simple and easy way.
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© 1984 Japan Industrial Management Association
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