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Fuzzy Delphi Method with Z-Numbers
2019Delphi method is one of the basic heuristic methods used in forecasting and decision making. It is based on several stages of experts’ evaluation with feedback. One of the variants is the fuzzy Delphi method, which assumes that expert’s opinion is expressed in fuzzy numbers.
Marcin Lawnik +2 more
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On the number of Z(2)Z(4) and Z(p)Z(p2)-additive cyclic codes
2023In this paper, we give the exact number of Z(2)Z(4)-additive cyclic codes of length n = r + s, for any positive integer r and any positive odd integer s. We will provide a formula for the the number of separable Z(2)Z(4)-additive cyclic codes of length n and then a formula for the number of non-separable Z(2)Z(4)-additive cyclic codes of length n. Then,
AYDOĞDU, İsmail +2 more
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On a View of Zadeh’s Z-Numbers
2012We first recall the concept of Z-numbers introduced by Zadeh. These objects consist of an ordered pair (A, B) of fuzzy numbers. We then use these Z-numbers to provide information about an uncertain variable V in the form of a Z-valuation, which expresses the knowledge that the probability that V is A is equal to B.
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Z*-numbers: Augmented Z-numbers for machine-subjectivity representation
Information Sciences, 2015Romi Banerjee, Sankar K. Pal
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A New Vision of Zadeh’s Z-numbers
2016From their introduction Z-numbers have been deeply studied and many investigations have appeared trying to reduce the inherent complexity in their computation. In this line, this paper presents a new vision of Z-numbers based on discrete fuzzy numbers with support in a finite chain \(L_n\). In this new approach, a Z-number associated with a variable, X,
Sebastia Massanet +2 more
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Z-number DEA: A new possibilistic DEA in the context of Z-numbers
Advanced Engineering Informatics, 2016Ali Azadeh, Reza Kokabi
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