【摘 要】 Combining the respective advantages of relative and absolute quantitative information, this paper proposes the model of the rough fuzzy set, which is based on logical disjunct operation of variable precision and grade in ordered information system Mo... 更多 >> Combining the respective advantages of relative and absolute quantitative information, this paper proposes the model of the rough fuzzy set, which is based on logical disjunct operation of variable precision and grade in ordered information system Moreover, the basic structure and precise description of rough set regions of the model are studied, and some important properties of the model are investigated carefully. Further, the significance of this study is interpreted by combining the analysis of an illustrative case study about the medical diagnosis. << 收起
