查询词典 matrices

In chapter two we have extended the Mie theory to handle the scattering properties of 4 kinds of dielectric sphere with anisotropy (magnetically gyotropic anisotropy, electrically gyrotropic anisotropy, uniaxially dielectric anisotropy, biaxially dielectric anisotropy), the scattering matrices are obtained.

在第二章，我们推广了Mie散射理论并将其用于研究4类各向异性(旋磁各向异性、旋电各向异性、单轴及双轴各向异性)介质球的散射特性，并最终得出散射矩阵。

The invariant V (A , [1〓] that we used for unital case is the semigroup of Murry-von Neumann equivalence classes of projections in matrices over C〓-algebras together with the class of the unit.

我们用来分类的不变量（V，[1〓]）是A的矩阵代数中所有投影的Murry-von Neumann等价类所成的半群及单位元所在的等价类。

We select the weighting matrices in the frequency domain, and then design the controller in the state space. The cases that the plants consist of both low-frequency parameter perturbations and high-frequency unmodelled dynamics have also been considered.

文中考虑一大类存在低频摄动和高频未建模动态的情形，给出了鲁棒控制设计中兼顾闭环动态特性和干扰抑制时的加权阵选择方法与具体步骤。

Because pickle is so widely used, many authors who write Python extensions take care to ensure that new data types such as matrices can be properly pickled and unpickled.

因为 pickle 的用途很广泛，很多 Python 扩展的作者都非常注意类似矩阵这样的新数据类型是否适合封装和拆封。

Then, with an exemplification of the hierarchical versions of the design of turbine blades, the expressions in Boolean matrices of versional architectural information, attributes and attribute relationship between versions were given.

以涡轮叶片设计的多级版本为例，给出了设计过程中版本结构信息、版本属性及版本关系属性信息的布尔矩阵表达方法。

In these results there are some new findings:(1) when there is not initial geometry defect, multi-waves phenomena still exist and are presented in low orders in vibrative mode shape;(2) of the total vibrative mode shapes of empty tanks there is a type of vibrative mode shapes with the same waves and different directions cos (nθ+φ〓,φ〓≠0 ;(3) the total vibrative mode shape of empty tanks compose of axial symmetry and non-axial symmetry ones corresponding to upright and oblique vibrative mode shape matrices respectively.

最后对空储液罐的特征值问题进行了多达近万自由度的计算分析，得到了一些成果，其中有新的发现：（1）空储液罐的多波现象在无初始几何缺陷时依然存在，而且出现在低阶振型中；（2）在罐的总体振型中存在有同波异向振型（cos，φ〓≠0）；（3）罐类的总体振型由轴对称和非轴对称振型组成，并存在相应的正、斜振型矩阵。

Arnoldi method is very efficient for computing the extreme eigenpairs of large unsymmetric matrices.

迭代Arnoldi方法是求解大型非对称矩阵特征问题的一种常用的有效方法。

Many transfer matrices of different elements are appended in the end.

附录中列出了各种类型单元的传递矩阵。

Because you can update the data at once and not send the world matrices one by one, as it is done by pseudo instancing, it would be still faster than pseudo instancing.

由于你可以一次更新数据，但不能逐个发送 world matrix ，就像伪实例化做的一样，但这还是比伪实例化快一些。

It has an applicable change of the primitive image matrices, so that the dimension of the image total scatter matrix is further minified. Then, image principal component analysis is used to do image feature extraction.

该方法首先对图像矩阵进行适当的变换，用得到的新的图像矩阵构造图像总体散布矩阵后，再运用图像投影主分量分析进行特征抽取。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。