期刊
INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS
卷 33, 期 7, 页码 1476-1487出版社
WILEY
DOI: 10.1002/int.21987
关键词
fuzzy numbers; ranking of Z-numbers; sigmoid function; sign method; standard deviation; Z-numbers
This paper introduces two processes of ranking methods on Z-numbers that are effectively able to deal with uncertain decision-making data. Decision making is based on recommended Z- numbers. For this purpose first, the Z-number is transformed to a fuzzy number and then the ranking method by using the sigmoid function and the sign method is used to mention fuzzy numbers. For the next step, the method is extended to related Z-numbers. Finally, we use it to prioritize the items and solve some examples.
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