计算机科学 ›› 2021, Vol. 48 ›› Issue (4): 49-53.doi: 10.11896/jsjkx.200900089
鲁巡, 李妍妍, 秦克云
LU Xun, LI Yan-yan, QIN Ke-yun
摘要: 在广义近似空间中,可以从对象、知识粒以及子系统的角度构造3种不同类型的广义粗糙近似算子。文中研究了这些近似算子的基本性质与相互关系,给出了3类近似算子相同的充要条件。另外,不同的近似空间可能生成相同的基于知识粒及基于子系统的近似算子,文中给出了不同二元关系生成相同近似算子的一些充要条件。
中图分类号:
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