centrosymmetric objcet

In this paper, the convergence of iterative methods for the linear system Ax=b is investigated, where A is a centrosymmetric M-matrix.

主要研究了线性方程组Ax=b的迭代解法的收敛性,其中A为中心对称的M-阵。

The concepts in References 1 and 2 are broadened and the properties of the centrosymmetric and skew centrosymmetric matrices are exploited in detail.

推广了文［１，２］的概念，系统地叙述了中心对称和反中心对称矩阵的性质，导出了一类求解系数矩阵为中心对称和反中心对称线性方程组及超定方程组的缩减算法。

Three centrosymmetric 4,4\'-bis(N\'-substituted acylthioureido)biphenyls were synthesized by the 1.

以苯甲酸和2,4-二氯苯氧乙酸为原料合成取代酰基异硫氰酸酯,再分别与4,4\'-联苯二胺和3,3\'-二甲基-4,4\'-联苯二胺反应,合成了3种中心对称型4,4\'-双(N\'-取代酰基硫脲基)取代联苯类衍生物。

A clustering algorithm based on central symmetry;

一种基于中心对称性的聚类算法

The heavy integral of the successive function of central symmetry;

成中心对称的连续函数的重积分

Based on the depth research on extension array manifold of uniform circular, for some uniform circular arrays which had subarrays with the nature of rotational invariance and had the nature of central symmetry two ESPRIT algo-rithms were presented, the first algorithm reduced one time of SVD, the second algorithm avoided parameter pairs.

在深入研究均匀圆阵扩展阵列流形的基础上,针对某些均匀圆阵的扩展阵列中含有旋转不变性的子阵列组以及中心对称性质,提出了2种基于均匀圆阵的二维ESPRIT算法,第一种算法减少了一次奇异值分解,第二种算法避免了参数配对。

Through further research, the writer found out the relationship of distances between two odd prime numbers and the two symccntcrs of the same odd prime number, and the relationship between the distance of the symcenters between two odd prime numbers and the same odd prime number and the distance between the .

发现了奇素数在数轴上关于自然数的对称性,从而否定了“素数漫无规则地分布在自然数中”的说法,通过进一步研究,发现了在数轴上“两个奇素数与同一个奇素数的两个对称中心的距离的关系”和“两个奇素数与同一个奇素数的对称中心的距离与这两个奇素数间距离的关系”,并给出了不用高等微积分和复变函数的初等证法,同时运用这两个性质对有关问题的计算,说明了“哥德巴赫猜想”趋向有解。

The Gap of Exponents of Central Symmetric Primitive Matrices;

中心对称本原矩阵本原指数的缺数段

The Centrosymmetric Solution of the Quaternion Matrix Equation AXB=C;

四元数矩阵方程AXB=C的中心对称解

Research on J-centrosymmetrices Matrix Equation Inverse Problem

J-中心对称矩阵方程反问题的研究

Inverse Eigenvalue Problem for J-centrosymmetrices Matrix

J-中心对称矩阵逆特征值问题的研究

The Fast Algorithms of Square Roots of Generalized Centrosymmetric Matrices

广义中心对称矩阵平方根的快速算法

The Best Approximation of Inverse Eigenproblem for Symmetric Generalized Centro-symmetric Matrices

对称的广义中心对称矩阵逆特征问题的最佳逼近

The Application of Central Symmetry on the Definite Integral Operation;

函数的中心对称性及其在定积分中的应用

Studies on Inverse Eigenvalue Problem of Generalized Centre-symmetric Matrix;

广义中心对称矩阵的特征值反问题研究

THE CENTROSYMMETRIC SOLUTION OF THE MATRIX EQUATION AX=B AND ITS OPTIMAL APPROXIMATION;

矩阵方程AX=B的中心对称解及其最佳逼近

An Iterative Method for the Least Squares Anti-symmetricsolution of Matrix Equations;

求矩阵方程的反中心对称解的递推算法

Least-squares Solution Of A Class Of Inverse Eigenvalue Problems For Centro-symmetric Matrices;

中心对称矩阵一类逆特征值问题的最小二乘解

The Solution and Optimal Approximation of J-Centrosymmetric Matrix Equations

J-中心对称矩阵方程的解及其最佳逼近

Central- Symmetric Minimal Rank Solutions and Its Optimal Approximation to A Class of Matrix Equation

一类矩阵方程的中心对称定秩解及其最佳逼近

A part or division in the body of a bilaterally or radially symmetric animal that corresponds to an opposite or similar part.

体辐，对称部左右或中心对称的动物身体中与相反或相似部分对应的一侧或一部分

A center of symmetry must coincide with the center of mass.

对称中心必须与质量中心重合。

Developing symmetrically about a central point

对称发展的在一个中心点周围对称发展的

The same holds true for any molecule with a center of symmetry.

对任何有对称中心的分子同样是对的。

Use to indicate the centers of circles and arcs, and to represent symmetry.

用于表示圆或弧的中心，还可表示对称。