查询词典 skew symmetric

The least norm solutions of symmetric and skew antisymmetric matrix equations (A~TXA, XA — YAD)=(D, 0)are also considered. 3. The least-squares solutions and the least norm solutions of the quaternion matrix equations AX = B and XD = E are studied by using

借助四元数的复表示方法，研究四元数矩阵方程组AX=B，XD=E的最小二乘问题和极小范数解的问题，并对主子阵约束下的方程组的解进行了讨论，得到了它们的显式表示。

The X-ray double-crystal diffraction rocking curve measurements show the full-width half maximum of 180" and 185" for (0002) symmetric reflection and (10 12) skew reflection,respectively.A room temperature mobility of 850cm2/ is obtained for a 3μm thick GaN film.

GaN材料的X射线双晶衍射摇摆曲线(0 0 0 2 )对称衍射和(10 12 )斜对称衍射半宽分别为 180"和 185"；3μm厚GaN薄膜室温电子迁移率达到85 0cm2 /。

Since Azzalini (1985,1986) introduced the fundamental properties of the skew-normal distribution, there are many investigations about the skew distributions based on certain symmetric probability density functions.

自从Azzalini(1985，1986)提出关於偏斜常态分布的一些基本的性质开始，就有钗h基於某些常见对称分布的偏斜分布之研究出现。

By use of symmetric and skew-Hermitian splitting of matrix, a new type of preconditioner is proposed.

针对大规模电力系统修正方程式高度稀疏的特点，研究了一种基于对称反对称预处理的不精确牛顿法。

We investigate the generalized skew-symmetric distributions.

我们先推导广义偏斜-对称分布。

As to the parallel frame, its coefficient matrix is still skew-symmetric, yet the elements are all zero except those at the first row and the first column.

而平行标架关于参数求导，得到的系数矩阵也是一个斜对称矩阵，但除了第一行、第一列元素，其他元素均为零。

Robot dynamic model is usually written as Hq+Cq+G=τ, where the matrix C can be properly defined so that H-2C is skew-symmetric. This property greatly facilitates robot controller design.

摘要机器人模型通常写为Hq+Cq+G=τ，其中可适当定义矩阵C使得H-2C是反对称阵，这一性质对机器人控制设计十分有用。

Based on the proposed idea, the author presents three linear algorithms:"Orientation Invariance of Rotational Axis ","Skew-Symmetric Matrix Decomposition ", and"Quaternion Orthogonal Decomposition ".

并在上述思想指导下，提出了旋转轴法向不变、反对称阵分解和四元素正交分解三个精简变量的线性算法，其中QOD算法最具有一般性。

It is then proved that every equation in the hierarchy possesses the Hamiltonian structure if L has a skew-symmetric factorization and the first equation in the hierarchy satisfies some simple condition (K〓=θf〓 and f〓 is a gradient function).

然后在L具有反对称分解L=θJ，及等谱发展方程族中第一个方程满足简单条件（K〓=θf〓，f〓一个梯度函数）的假设下，获得了整个方程族的Hamilton结构。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失