期刊
FUZZY SETS AND SYSTEMS
卷 160, 期 21, 页码 3059-3079出版社
ELSEVIER
DOI: 10.1016/j.fss.2009.05.008
关键词
Extended trapezoidal; Triangular approximation; Hilbert spaced; Weighted distance
资金
- NSC of Taiwan
In 2007, Zeng and Li proposed a weighted triangular approximation of a fuzzy number. Unfortunately, this approximation may fail to be a fuzzy number. In this paper, we improve this approximation and propose a generalization by the name of weighted trapezoidal approximation, Their algorithms are also presented. Finally, some examples and relevant properties are discussed. (c) 2009 Elsevier B.V. All rights reserved.
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