特征值

The algorithm requires the bound of the eigenvalues of the Hessian can be estimated and uses the bound to determine the stopping rule.

算法要求函数的Hesse矩阵特征值的界可估计，并利用该界确定算法的终止条件。

These results are applied to solve a class of inverse eigenvalue problems for real matrices with a submatrix constraint and the expression of general solution and best approximation are also given.

最后，将所得的结果应用于子阵约束下实矩阵特征值反问题的最小二乘问题，得到了该问题解的表达式与最佳逼近解。

The fractal theory is discussed used in urban spatial morphology. From the psychologic cognition mechanism aspect, according to cognitive superincumbent process, the indexes system and research frame for quantitatively descriptive urban spatial morphology are constructed.

基于以上研究，笔者探讨了网络分析和特征值分析中的主要指标，即对线状要素描述的主要指标有：方向均值、关联矩阵、邻接矩阵、回路数H、β指数、α指数、γ指数等，对面状要素描述的指标有：圆形率、紧凑度、形状系数、标准面积指数、放射状指数等；并探讨了分形理论在城市空间形态研究中的应用，在此基础上，从心理学的认知机理出发，按照自上而下的认知过程构建了定量描述城市空间形态的指标体系和研究框架。

By simply changing the sign of given symmetric matrix, an algorithm for computing the smallest eigenvalue is also obtained.

对该对称矩阵添加负号，得到了计算最小特征值的RNNs模型。

In this paper we consider about a parallel method for finding all the eigenvalues and corresponding eigenvectors of a real symmetric tridiagonal matrix.

本文讨论了一种求解实对称三对角矩阵全部特征值和特征向量的并行算法。

Based on mathematical analysis, elastic geostress field is a symmetric second-order tensor, which can be expressed as symmetric matrix and studied by its eigenvalue and eigenvector.

根据对二阶张量的数学分析，通过求取二阶张量的特征值与特征向量，导出了对称张量在空间几何学中对应的二次曲面。

Under the instruction of the schur axioms, many reasoning concerning schur axiomses produced then, and became a theories system of the schur axioms of integrity, coming up the certificate that the schur axioms and many of its reasonings expanded the likeness of the matrix and the characteristic of the matrix to be worth.

在 定理的指导下，许多关于定理的推论便产生了，并且形成了一个完整的定理理论体系，把定理和它的许多推论推广到了酉矩阵的相似和矩阵的特征值的证明上来。

We deduce the eigenvalues of 2-neighbors subdivision matrix of the scheme, and prove that the subdivision surface is convergent, and has property of tangent plane continuity.

通过对细分矩阵特征值的理论分析，证明了文中方法的细分极限曲面收敛且切平面连续。

Also, the thesis presents Time slice based collaboration detection mode that could be applied on high speed network.

5提出了复杂特征值规则生成及检测算法，以及应用于高速网络下的分段合作式检测模型。

In this paper, we propose a technique based on singular-value decomposition of the Toeplitz matrix to minimize the effect of rends superimposed on long-range correlated noise.

为了消除这种影响，本文提出了一种新的计算方法：在去趋势分析之前，先用特征值分解的方法，从仿真信号中分离出外界的趋势，再应用去趋势法进行计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。