In the rough set theory and rough-fuzzy set theory, computation of approximations and edge and attributes reduction of decision table is import part of them.

在粗糙集理论及粗糙模糊集理论中，上下近似及边界的求解与决策表属性约简是它们的核心内容。

youdao

In this paper, we combine the fuzzy set theory with rough set theory by rough membership function and establish a relation between them.

通过粗糙隶属度函数，将粗集理论与模糊理论联系起来，建立一种粗集理论与模糊理论的关系。

youdao

A model of rough fuzzy neural network classifier was presented by combining rough set and fuzzy neural network.

结合粗糙集和模糊神经网络提出了一种粗糙模糊神经网络识别器的模型。

youdao