This paper analyses the generalized optimal set of discriminant vectors, presents a grouped decision method based on generalized optimal set of discriminant vectors for linear feature extraction.

该文分析了广义最佳鉴别向量集，给出了基于用于线性特征抽取的广义最佳鉴别向量的分组决策方法。

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Then we give the judgment theorems and the discernibility matrices of the generalized decision reduction in set-valued decision i…

最后，基于两种关系从集值决策信息系统提取了最优广义决策规则，并进行了讨论。

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