This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。
The computation of natural convection in the annulus between horizontal concentric cylinders using spectral element method in polar coordinates is presented in this paper.
提出了将谱元方法应用到极坐标系下，利用极坐标系下的谱元方法求解环形空间内自然对流问题。
The use of perfectly matched layer (PML) in cylindrical coordinates avoids the wasted computation.
目前，效果最好的吸收边界条件是完全匹配层（PML）。
The computation shows that the method can give the correct coordinates of a 3d blade.
通过算例计算表明该方法可给出满意的三维叶型坐标。
The computation shows that the method can give the correct coordinates of a 3d blade.
通过算例计算表明该方法可给出满意的三维叶型坐标。
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