行矩阵

This paper presents a method for getting initial basic feasible solution of linear programming problem with an artificial variable,comparing with a traditional two-stage way ,it has low computation amount and needs less memory cells for computing,and improve two-stage way simple method.

提出了一种通过对线性规划问题增广矩阵的初等行变换后，引进一个人工变量即可求得初始基可行解的方法，该方法与传统的两阶段法相比，具有计算量小且占有存储空间少的特点，从而简化了二阶段单纯形法。

Through comparing the process of working out simple three-dimensional equation in "Jiu Zhang Suan Shu" with the elementary line transformation of augmented matrix,we got the conclusion that Gaussian elimination is a traditional method of china.

通过《九章算术》解三元一次方程组的过程与增广矩阵的初等行变换进行对照，得出高斯消元法是中国古法的结

When I is a two-dimensional matrix, then I is the intensity value at the position corresponding to row r and column c of the matrix.

设I是一个二维矩阵，则I就代表行r列c点的光强值。

Additionally, X can be a row or a column vector, and Y a matrix with length rows.

此外，第十，可从一排或一列向量，和Y矩阵与长度的行。

A column vector, that is one whose components are written as a column and treated as a k by 1 matrix.

行向量，其物件排列成行，可视为k乘1的矩阵。

In this paper, firstly the elimination tree theory is introduced in brief, and the structure of Jacobian matrix is determined by use of symbolic factorization; then by use of sparse vector method each column of lower triangular matrix L and each row of upper triangular matrix U are solved.

介绍了消去树理论，并采用符号因子分解技术确定雅可比矩阵的结构，然后采用稀疏向量法求取L阵的每行和U阵的每列。

A new method of calculating the greatest common divisor of several integers by using the row elementary operation is given.

利用整数矩阵的行初等变换给出一种求几个整数的最大公因数的新方法，并给出这种方法的一个应用。

The key components in laser gyro is He-Ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the Lamb half classical theory, and on the base of density matrix theory, the optical Brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter-propagating wave. On the basis of this equations, adopted the simulation software MATLAB and virtual instrument programming language LabWindows/CVI, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock-in of frequency and the characteristic of light intensity and phasic of the counter-propagating wave in laser gyro.

激光陀螺的核心部件为He-Ne环形激光器，而掌握光与介质的相互作用理论是研究激光器的关键，采用拉姆半经典理论为主，在密度矩阵理论的基础上，推导环形谐振腔中描述He-Ne气体增益介质原子运动的光学布洛赫方程，运用介质极化理论得出描述激光陀螺反向行波的光强、位相所满足的自洽场方程组，在此基础上，运用MATLAB仿真软件和虚拟仪器编程语言LabWindows/CVI，对激光陀螺中的介质增益色散特性、频率牵引效应、烧孔效应及模竞争、闭锁效应及环激光的光强和相位特性进行仿真试验研究，并且运用全量子理论，对激光工作原理进行分析，得出二能级系统单模辐射场的光子数密度分布，得出激光场的光子统计分布，仿真激光场的动态建立过程。

Can also be used to delete rows or columns, and alter the form of storage of some matrices matrix.

还可以用来删除行或列，和改变矩阵数据集的存储方式。

Dan also be used to delete rows or columns, and alter the form of storage of some matrices matrix.

还可以用来删去行或列，和改变矩阵数据集的储存方式。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。