摘要
简要介绍Pawlak粗糙集概念,着重介绍奇异集合、奇异粗糙集的基本概念,奇异粗糙集的两种结构,奇异粗糙集与Pawlak粗糙集的关系,以及奇异粗糙集的研究现状。
This paper briefty introduces the concept of Pawlak rough sets,and mainly introduces the basic concepts of singular sets and rough sets, two classes of structures of S-rough sets,relations between S-rough sets and Pawlak S-rough sets,and the researching status quo of S-rough sets.
