采用复模态分析求取特征值和特征向量，进而得到系统的模态参数。
Complex modal analysis is then performed to calculate the eigenvalues and eigenvectors, and then modal parameters are obtained.
本文利用数学定理和新的灵敏度定义给出特征值和特征向量导数的精确解。
The exact solution of derivatives of eigenvalue and eigenvector is presented by utilizing the mathematical theorem and new definitions of sensitivities.
求解大型结构矩阵低阶特征值和特征向量，子空间迭代法是有效方法之一，而且其应用也比较普遍。
The subspace iteration method is used in several general purpose structural analysis programs for the solution of the eigenpairs.
Meschach可以解稠密或稀疏线性方程组、计算特征值和特征向量和解最小平方问题，另外还有其它功能。
Meschach was designed to solve systems of dense or sparse linear equations, compute eigenvalues and eigenvectors, and solve least squares problems, among other things.
文章针对特征矩阵施行初等变换，提出了求出矩阵特征值和特征向量的一种方法，从而以简捷的方式将矩阵相似对角化。
The model of the defect of 1-D photonic crystal, which is defect in symmetry, is set up based on the solution of eigen matrix.
对给定的特征值和对应的特征向量，提出了对称正交对称半正定矩阵逆特征值问题及最佳逼近问题。
From given eigenvalues and eigenvectors, the inverse eigenvalue problem of symmetric ortho-symmetric positive semi-definite matrices and its optimal approximate problem were considered.
本文讨论了一类由五个特征值和相应特征向量构造实对称五对角矩阵的特征值反问题。
In this paper, a kind of inverse eigenvalue problem which is the reconstruction of real symmetric five-diagonal matrix by five eigenvalues and corresponding eigenvectors is proposed.
首先对真实气体流动的数值模拟方法进行了研究，推导了任意曲线坐标系下真实气体流动控制方程雅克比（Jacobian）系数矩阵的特征向量矩阵和特征值；
Firstly, the eigen vector matrix and eigen value of Jacobian matrix of governing equations for the real gas flows in general curvilinear coordinate system are deduced.
首先对真实气体流动的数值模拟方法进行了研究，推导了任意曲线坐标系下真实气体流动控制方程雅克比（Jacobian）系数矩阵的特征向量矩阵和特征值；
Firstly, the eigen vector matrix and eigen value of Jacobian matrix of governing equations for the real gas flows in general curvilinear coordinate system are deduced.
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