X Y Wang
ABSTRACT
In view of the need to expand the existing multi granularity intuitionistic fuzzy rough set model in practical application, it is proposed that the weighted and degree multi granularity intuitionistic fuzzy rough set model, the weighted and degree multi granularity intuitionistic fuzzy rough set model based on multiple parameters, and the weighted and degree multi granularity intuitionistic fuzzy rough set model based on average granularity weight and multiple parameters respectively. The definitions of upper and lower approximation of the correlation model are given, and the correlation properties of the model are studied.
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