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通过矩阵理论计算覆盖粗糙集中的最小描述和最大描述。首先通过覆盖的矩阵表示,得到几个与覆盖有关的矩阵形式,然后通过上述所得的矩阵以及一种新的矩阵运算,计算出覆盖粗糙集中的最小描述和最大描述。
Calculate the minimum description and the maximum description in the coverage rough set by matrix theory. Firstly, several matrix forms related to coverage are obtained by covering the matrix representation, then the minimum description and the maximum description in the coverage rough set are calculated by the matrix obtained above and a new matrix operation.