用Matlab语言实现线性方程组的全主元三角分解法。
PDF-using Matlab linear equations of all the main yuan triangular decomposition.
矩阵的三角分解(LU分解)是矩阵分解中最简单、最基础的一种。
Matrix's triangular decomposition (LU decomposition) is the simplest and most basic kind of decomposition in matrix decomposition.
通过矩阵的初等变换可实现矩阵的满秩分解和强满秩矩阵的三角分解。
Full rank decomposition of matrix and triangular decomposition of strongly full rank can well be realized by elementary transformation method of matrix.
LU分解是一种将非奇异矩阵进行三角分解的方法，而数字图像也可以看作矩阵。
LU decomposition is a triangular decomposition approach of non-singular matrix, and the digital image can be seen as a matrix.
对于特殊矩阵的快速三角分解算法的研究，目前主要是对一些较简单的矩阵进行的。
It is mainly to some simple matrices to the research of the fast triangular factorization algorithms of special matrices up to now.
本文将应用广义限制李代数的概念来研究具有三角分解李代数的积分元和中心扩张的关系。
In this paper, we apply the concept of the generalized restricted Lie algebra to study the relation of the integral and central extensions of a Lie algebra with a triangular decomposition.
直接法中的平方根法，就是利用对称正定矩阵的三角分解而得到的求解对称正定方程组的一种有效方法。
Square root method is one of direct methods, which is an effective method for the solution of symmetrical positive liner equations through triangle decomposition of symmetrical positive matrix.
以IEEE检验系统为例，通过数值试验将多波前算法与电力系统分析中常用的稀疏三角分解技术进行对比分析。
The performance of multifrontal method is evaluated and compared with direct sparse factorization method through load flow calculation and transient stability simulation using IEEE benchmark data.
实例验证表明：该算法不通过三角分解就能够找出所有的规范模糊组，提高了计算精度，同时也降低了计算复杂度。
It is demonstrated by an example that the proposed algorithm can find all canonical groups without triangle decomposition and heightens the precision and decreases the complexities of computation.
现在我不再用三角函数，不用再查元素周期表，不用再设计火山模型，不再做句式分解、背诵单词，但我每天都在读书。
I no longer use trigonometry, I don't refer to the periodic table, and I don't build models of volcanoes. I've given up diagramming sentences or memorizing spelling words but I read every day.
对角矩阵及三角矩阵之特征值，相似矩阵，由QR分解计算特征值，主特征值之迭代估算。
Eigenvalues of diagonal and triangular matrices, similarity transforms, calculation of eigenvalues from QR decomposition, iteratively estimating the leading eigenvalue.
浮点数表示法，含部份换轴之高斯消去法，使用矩阵大小之计算尺度调整，带状及三角对角系统，LU分解。
Floating point representation, Gaussian elimination with partial pivoting, scaling of computations with matrix size, banded and tri-diagonal systems, LU decomposition.
你能看到，当白色光通过三角棱柱时，会被分解为不同颜色的光，这就叫做散射。
You may have seen white light split into colours when it passes through a triangular prism. This is called dispersion.
在测得转轮内部的绝对速度矢量后，按速度三角形原理进行分解，得到了绝对速度切向分量、相对速度及相对速度切向分量。
The absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper.
本文讨论了一类在无结构三角网上数值求解二维热传导方程的有限差分区域分解算法。
In this paper, a finite difference domain decomposition algorithm on an unstructured triangular mesh for numerically solving the two-dimensional heat equation is studied.
该法在行波法生成平面三角形网格的基础上，将一个三角形单元分解为三个四边形单元。
Based on the advancing front technique developed for triangular mesh generation, quadrilateral mesh can be generated by dividing each triangular element into three quadrilateral elements.
问题是每一个线框是由三角形，镶嵌到了这些三角形，分解成许多小三角形下来。
Problem being every wire frame is made up of triangles, tessellation takes those triangle and breaks them down into many smaller triangles.
ROAM算法就是通过采用分解和合并方法实时地调整三角形网格，能交互式地实现观察依赖、局部可调整的地形网格化处理，生成多分辨率的地形模型。
ROAM method adopts split and merge operations to adjust triangle meshes, can interactively perform view-dependent, locally-adaptive terrain meshing and can construct multiresolution terrain model.
实验的结果表明，改进的算法提高了采用空间分解进行三角网格求交的计算效率。
Experiments show that the new method can improve the efficiency of computing triangular mesh intersections based on space division.
三角形可分割为3条直线，因此显示三角形就可分解为根据两点画直线的程序。- Programming。
Triangle can be divided into three lines, thus indicating a triangle can be decomposed into a straight line drawn under the two procedures.
对应特征点的三维重建是根据三角测量的方法计算其投影矩阵，然后用奇异值分解求出特征点的三维齐次坐标。
Feature points' 3d coordinates are computed through singular value decomposition of projector matrix, then compute projector matrix by triangulation.
对应特征点的三维重建是根据三角测量的方法计算其投影矩阵，然后用奇异值分解求出特征点的三维齐次坐标。
Feature points' 3d coordinates are computed through singular value decomposition of projector matrix, then compute projector matrix by triangulation.
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