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    Article

    Derivatives and differentials for multiplicative intuitionistic fuzzy information

    By using the unsymmetrical scale instead of the symmetrical scale, the multiplicative intuitionistic fuzzy sets (MIFSs) reflect our intuition more objectively. Each element in a MIFS is expressed by an ordered...

    Shan Yu, Ze-shui Xu… in Applied Mathematics-A Journal of Chinese Universities (2017)

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    Article

    Hierarchical hesitant fuzzy K-means clustering algorithm

    Due to the limitation and hesitation in one’s knowledge, the membership degree of an element to a given set usually has a few different values, in which the conventional fuzzy sets are invalid. Hesitant fuzzy ...

    Na Chen, Ze-shui Xu, Mei-mei **a in Applied Mathematics-A Journal of Chinese Universities (2014)