【摘要】 讨论了Fuzzy集、Vague集和Rough集3种重要的边界不确定的扩展集合理论,它们主要用于解决现实中存在的一些不确定性问题。主要介绍了它们的基本思想、最新的研究进展以及应用领域等,并对3种理论的区别和内在联系进行了分析。更多还原

【Abstract】 Three kinds of generalized set theories with uncertain boundaries, that is, fuzzy sets, vague sets and rough sets, are discussed. They are mainly used to deal with some uncertain problems existing in reality. We mainly introduce their basic ideas, latest research advances, applications and so on. We also analyze the distinctions and connections among them.更多还原