查询词典 bordered matrix

By generalized {1} inverse matrix,we obtain the necessary and sufficient conditions and general integral for a type of matrix equation having solution over regular ring with an identity,and generalize and complement some existing results in the literature.

借助矩阵的广义{1}逆，在含幺正则环上给出一类矩阵方程相容的充分必要条件及其通解表达式，推广和改进了已知的一些结果。

In two-dimensional space, derived from the geometric transformation matrix from the transformation matrix to understand its geometric meaning.

详细说明：在二维空间内，从几何变换推导变换矩阵，从变换矩阵理解其几何意义。

The elastic stiffness matrix of this new model is 14×14. The effect of axial force, shearing force, biaxial bending moment and bimoment was involved in the geometrical stiffness matrix of element.

该模型的弹性刚度矩阵为14×14矩阵，几何刚度矩阵中考虑了轴力、剪力、双向弯矩和双力矩效应。

Dixon method was adopted to construct a 22×22 Dixon matrix and then the greatest common divisor of two columns was extracted. After expanding the determinant of the matrix, a 64 degree univariate polynomial equation was obtained and 6 extraneous roots were canceled in the process of solving the other 3 variables.

结合矢量法和复数法建立了4个几何约束方程式，使用Dixon结式构造22×22的Dixon矩阵，对两列提取公因式后展开矩阵的行列式得到一元64次多项式方程，回代过程中去掉6组增根后得到58组解。

Firstly, four geometric loop equations are set up by using vector method in complex number fields. Secondly, three constraint equations are used to construct the Dixon resultants, which is a 6×6 matrix and contain two variables to be eliminated. Extract the greatest common divisor of two rows and two columns of Dixon matrix and compute its determinant to obtain a new equation. This equation together with the forth constraint equation can be used to construct a Sylvester resultant.

首先使用矢量法和复数法建立4个几何约束方程式；再使用Dixon结式法对3个方程式构造一个含有2个变元的6×6 Dixon矩阵，提取其中2行列元素的公因式，将新矩阵的行列式展开后得到二元高次多项式方程，该方程与剩下一个方程使用Sylvester结式消去一变元，得到一元高次方程。

Based on matrix disterbance theory, a new numerical calculation method to determine system observability of each state through system observability matrix sin gular value decomposition is proposed. This method is applied in flight trans fer alignment and integrated navigation filter design successfully.

提出了应用系统观测矩阵奇异值分解确定滤波器中各状态变量可观性强弱的一种方法，并在系统的飞行传递对准和组合导航滤波器的设计中得到了成功的应用。

Using the Gray code, we obtain the relationship between the row of Hadamard matrix and discrete Walsh function. Because Hadamard matrix has good recursion, makes the construction of discrete Walsh function is simple and convenient.

通过Gray码给出了Hadamard矩阵的行和离散Walsh函数之间的关系，由于Hadamard矩阵具有良好的递推性，所以使得离散Walsh函数的构造简单方便。

Because Conference matrices and Hadamard matrices are related to Paley matrices,in this paper we define the normalized Conference matrices and generalized normalized Hadamard matrices,and we show some special properties of them. Also we constructed a doubly even self-orthogonal code from normalized Conference matrix and a doubly even self-dual code from generalized normalized Hadamard matrix.

由于Conference矩阵，Hadamard矩阵与Paley矩阵紧密相联，本文定义了正规Confersnce矩阵和正规Hadamard矩阵，讨论了他们的一些特性，并且利用正规Conference矩阵构造了一个自正交的双偶码刷用正规Hadamard矩阵构造了一种自对偶的双偶码。

A new mapping scheme is used to map matrix to the general OTIS network, that is the matrix mapping scheme, processors are assigned according to Hamiltonian path in the basic graph of OTIS network.

采用一种新映射策略来处理一般OTIS网络结构上的矩阵映射，即矩阵映射策略是根据基图中的哈密尔顿路径来分配处理器的。

The Hankel transformation method has been used to turn the basicdisplacement equations and displacement-stress constitutive equations intoa system of first order non-homogenous ordinary differential equations inwavenumber domain,and by us of the matrix method,the transfer matrix ofthe medium layered is established.

利用Hankel变换，将轴对称静力问题的位移基本方程和位移应力本构方程转化为波数域内非齐次一阶常微分方程组，利用矩阵法，建立了介质层的传递矩阵，导出了层状弹性半空间轴对称静力问题奇异解的一般解析表达式。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。