The results showed that PLS was an excellent multivariate statistical method suited to simultaneous determination of trace components in real samples with the complicated matrix.
结果表明，PLS法是化学计量学中一种可适用于基体较为复杂的实际样品中痕量组分同时分光光度测定的优良多元计算方法。
In this paper, using the property of trace of matrix and the method of generating function, we obtain all the eigenvalues of a matrix which appears in stability analysis.
利用矩阵的迹的性质和发生函数方法，给出了稳定性分析中一个矩阵的所有特征值。
A new nonlinear structure tensor calculation method is presented. We extend the trace-based PDE regularization method to matrix-valued data fields.
提出一种新的非线性结构张量计算方法，扩展了基于迹的PDE正则化方法，使其适用于矩阵值数据场；
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