可辨识矩阵，通过输入属性及样本的个数，可以得到对应的可辨识矩阵。-Discernibility matrix, through the input attributes and the number of samples can be obtained corresponding discernibility matrix.

完成基于差别矩阵的粗糙集信息系统属性约简，结果保存在RED中、-Completion of rough set information system attributes reduction based on discernibility matrix, the result is stored in RED, the