查询词典 jacobian method of eigenvalue problem

The contribution of the truncated modes to eigenvector sensitivity is expressed in a Neumann series of matrix in this method, and eigenvalue's displacement is introduced to control the convergence of the series.

该方法是用Neumann矩阵级数的形式来等效未知模态对特征向量灵敏度的贡献，并引入特征值移位量来控制矩阵级数的收敛性，从而明显地提高了计算效率。

The records of 56 stations in Himalaya area were analyzed by using the method of minimizing the eigenvalue. Shear wave splitting was observed in thirty-nine stations of them.

利用最小特征值法，分析了喜马拉雅地区56个台站的地震记录，其中有39个台站能观察到S波分裂，其平均分裂时间在0.8s左右。

SVD is the general method for linear decomposition of a matrix into independent principal components, and is a form of Eigenvalue-Eigenvector analysis or principal components decomposition and, in a more general sense, of multi-dimensional scaling.

SVD分解根据矩阵的运算计算出矩阵的奇异值，然后根据奇异值计算出矩阵的两个奇异矩阵，将矩阵分解为三个矩阵的乘积形式。

Methods Using lower-upper solution method, principal eigenvalue theory, the maximum principle and the index of fixed point of compact map in cone.

上下解方法，特征值理论，极值原理，计算锥映像不动点指数。

The solvability of quadratic matrix inequalities of singular H∞ control problems with infinite zeros is studied in this paper. It is proved that the quadratic matrix inequality can be solved directly via the generalized eigenvalue problems. The previous method of solving the quadratic matrix inequality involving complicated decompositions and transformations of the systems is avoided.

摘要研究具有无穷远零点的奇异H∞控制问题的二次矩阵不等式的可解性，证明了通过求解广义特征值问题，可以直接求得二次矩阵不等式的解，从而简化了原需通过复杂的系统分解和变换来求解二次矩阵不等式的方法。

With a representation of the rotation group induced by the anti-commutative, self-inverse matrices the transformations named by Foldy-Wouthuysen, Cini-Taschek,Chakrabarti and the others are treated from a unified viewpoint. A new transforma-tion is found. Some applications of this method in the eigenvalue problems are demon-strated.

我们找出了由反易自逆矩阵荷载的转动群表示，统一地推广处理了Foldy-Wouthuysen，Cini-Tauschek，Chakrabarti等提出的各种变换；建立了一个几何图像，借助于它可以很容易地找到所要求的交换；举例说明了这方法在本征值问题中的应用。

This paper mainly im- proved the secant method t on eigenvalue of transfer matrix.

将求传递矩阵特征值的割线法进行改进，使得计算结果的误差变得较小，计算结果的可靠性增强。

The method is applied to evaluating the comprehensive safety of the high rock slope on the left spandrel groove of Jinping I hydropower project. It is obtained that the grade eigenvalue is 4.001 and safety grade is IV which means that the comprehensive safety grade of the high rock slope is between hyper-stability and stability.

将该方法应用于锦屏一级水电站左肩槽岩石高边坡的整体安全评价，经计算得出该边坡整体安全综合评价的级别特征值为4.001，安全等级为IV级，介于稳定与极稳定之间。

In this paper, we consider the following computing method of tridiagonal matrix:(1) decoupling of linear equation;(2) determination of determinant and eigenvalue-eigenvector relation;(3) matrix inversion.

二引宫在数值计算中，有许多问题足后归结为三对角矩阵的计算涸此研究它们的计算方法是有意义的。此外，有些三对角阵的计算方法可以做为带状阵计算的借鉴。

The transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies.

坐标变换将倾斜地形变换到了平底，同时也改变了强迫源强度的分布特征，使得变换之后强迫源强度的分布与原始分布有很大的不同。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。