principal matrix solution 主矩阵解
dominant principal diagonal matrix 主对角占优矩阵类
generalized principal positive matrix 广义主正阵
principal square-rooting matrix 主平方根矩阵
principal minors of a matrix 矩阵的主子式
generalized totally principal positive matrix 广义完全主正阵
We proved that each square quaternion matrix has at least one right characteristic principal value and its eigenvector, and a concrete solution was given.
证明了对每一个四元数矩阵，至少存在一个右特征主值，存在一个属于它的特征向量，并给出了具体的求解方法。
In this paper, based on the correlation matrix analysis of sample data, a principal component analysis method is used.
在本文的模型估计部分，依据样本数据相关矩阵分析结果，采用了样本主成分分析的方法。
Wavelet transform was utilized to get coefficients of each scale. Based the coefficient matrix, principal component analysis model was established to diagnose sensor fault.
利用小波变换得到传感器信号在各个尺度上的系数，然后根据尺度系数矩阵建立主元分析模型进行传感器故障诊断。
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