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。
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.
提出了一种适合于自适应有限元分析中求解广义特征值问题的多重网格方法。
An effective multi-grid method fit for the adaptive finite element analysis for generalized eigenvalue problems is proposed.
应用广义特征线理论得到了沿特征线上的相容方程，并采用数值积分方法分析了有限长圆柱壳的波传问题。
By using the generalized characteristics method, the compatibility equations on the characteristics are obtained. And the wave propagation of the finite length cylindrical shell is analyzed.
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