The problem of calculating the core attributes of a dicision table is studied , a new discernibility matrix and the computation of core is put forward in this paper , and correctness of this method is proved . this method is the same with consistent and antipathic dicision tables 论文对目前求核方法存在的问题进行了分析,提出了一种新的可区分矩阵与求核方法,并证明了方法的正确性,该方法适用于任何决策表(相容的或不相容的) 。
