摘要
基于动态系统,结合模糊集理论和单向S-粗集理论,提出了单向S-粗模糊集对偶的概念及其结构,对F-特性进行了讨论,给出了应用。
Based on the dynamic system and in combination with fuzzy sets theory and one direction srough sets theory, the paper presents one direction S-rough fuzzy sets and its structure, discusses F-characteristics and its application.
出处
《龙岩学院学报》
2008年第3期17-21,共5页
Journal of Longyan University
关键词
粗集
单向S-粗模糊集对偶
上近似
下近似
rough sets
dual of one direction S-rough fuzzy sets
upper approximation
lower approxima-tion
