查询词典 triangular matrix

Fast algorithm of minimal norm least square solution for Cauchy linear system;2. For the m×n Cauchy-type matrix with full column rank,the fast algorithm of the minimal norm least square solution to the linear system Cx=b was obtained by construction of a special block matrix and study of the triangular decomposition.

对于秩为n的m×n阶Cauchy型矩阵C，通过构造特殊分块矩阵并研究其三角分解，进而得到了线性方程组C x=b的极小范数最小二乘解的快速算法，所需运算量为O+O(n2)，而通常构造法方程组的方法所需运算量为O(m n2)+O(n3)，用正交化法虽然避免了构造法方程组，但所需的运算量更大些。

A efficient LU decomposition method is spectral factorization. That is, after the minimum phase correlative function of each array of matrix had be given by a spectral factorization method, all of the functions are arranged in a position according to its former location to get a lower triangular matrix.

谱法LU分解的优点是在对大量具有相同非零结构的矩阵分解时，通过建立包含所有具有不同非零元素的列对应的自相关函数的分解表，使得随后的所有矩阵分解只需通过查表实现。

Topology information of network structure was also ohtained through converting an incidence matrix into standard triangular matrix.

网络关联矩阵经过矩阵变换形成三角矩阵，可以反映网络拓扑结构；对三角矩阵进行分级和分解运算，可以提取网络的拓扑信息。

After the setup of a table of the spectral factorization results of each array of matrix, the SF decomposition can give the lower triangular matrix by reading the table.

特别是在复杂介质的偏移计算中，分解误差随介质的不均匀性程度的增大而增大，严重影响着波场的计算。

In section one, We characterize when matrix ring, upper triangular matrix ring and trivial extension are simple J-injective rings.

在文章的第一部分我们给出了全矩阵环、上三角矩阵环和平凡扩张是单J—内射环的刻划。

For the first-order ordinary differential equation system, the coefficient matrix of variables with derivative is decomposed into the triangular factor form and transformed into unit matrix.

对于一阶常微分方程组，将具有导数变量的系数矩阵作三角化分解，使其简化成单位矩阵。

Matrix's triangular decomposition is the simplest and most basic kind of decomposition in matrix decomposition .

矩阵的三角分解是矩阵分解中最简单、最基础的一种。

This method makes full use of the structural features of the reliable distribution network, optimizes the numbered branches, nodes and loads, uses directly branch impendance parameter to calculate, and doesn't need formming bus admittance matrix and converting triangular matrix. Simple dealing with algebra equations can calculate node voltage and power distribution, which makes the program more efficient and exact.

该方法充分利用辐射配电网络的结构特点，对分支、节点和支路编号进行优化，它直接采用支路阻抗参数进行计算，不需要形成节点导纳矩阵和进行三角矩阵变换，简单的处理代数方程就可以计算节点电压和功率分布，使得程序实现起来更加高效、准确。

The priority method of complementary judgment matrix is studied, in which the preference information takes the form of triangular fuzzy number judgment matrix.

研究偏好信息为三角模糊数互补判断矩阵形式给出的方案排序方法。

Because we use an upper triangular matrix to replace a square matrix in dynamic programming,a lot of resour- ces of memory and computer-desk space are free.

在动态规划部分采用上之角矩阵，大幅度节约了计算机内外存资源。在线性规划、联运优化等部分，设计出自动查找成本值或里程值的过程，简化了数据输入手续。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。