基于矩阵的多粒度粗糙集粒度约简方法

郑文彬, 李进金, 张燕兰, 廖淑娇

Matrix⁃based granulation reduction method for multi⁃granulation rough sets

Wenbin Zheng, Jinjin Li, Yanlan Zhang, Shujiao Liao

图2 粒度的属性集增大时四个算法的计算时间对比

Fig.2 Time consumption of OMBGRA，PMBGRA，EAGRMRS and GRAMGRS with different size of granules