L R S理论中定义了粗糙隶属函数（rough membership function）。通过使用不可分辨 关系，定义元素a对集合x的粗糙隶属函数如下： 显然O、，。
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fuzzy-rough membership function 模糊
a fuzzy-rough membership function 模糊粗隶属函数
fuzzy-rough membership function neural network 模糊粗隶属函数神经网络
We combine the fuzzy set theory with rough set theory by rough membership function and establish a relation between them.
通过粗隶属函数，将粗糙集理论与模糊集理论联系起来，建立一种粗糙集理论与模糊集理论间的关系。
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。
In this paper, firstly we compare RST with fuzzy Sets Theory and introduce fuzzy method into the study of RST by the rough membership function.
首先本文将粗糙集理论与模糊集理论进行比较，通过粗糙隶属函数将模糊集的研究方法引入到粗糙集的研究中。
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