对角矩阵及三角矩阵之特征值，相似矩阵，由QR分解计算特征值，主特征值之迭代估算。
Eigenvalues of diagonal and triangular matrices, similarity transforms, calculation of eigenvalues from QR decomposition, iteratively estimating the leading eigenvalue.
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.
本文在位移元本征应力模式基础上引进调节参数，同时，利用矩阵H对角化方法计算杂交元应力子空间的本征应力模式，然后由此方便有效地计算特征值，从而大大提高了计算效率。
The parameters are introduced based on the natural stress modes of the displacement element, and the method of matrix H diagonalization was introduced to improve the calculation of the natural.
其中包括计算矩阵的特征值问题，误差问题等。
Including the calculation of matrix eigenvalue problem, error and so on.
特征值问题的计算方法是科学计算基本论题之一。
The calculation of eigenvalue problem is one of the basic topics of scientific computing.
引入可拓学等级特征值的概念，将权重计算问题转化为优化问题来解决是一个新的有意义的探索。
By introducing the extension theory of hierarchy eigenvalue, the weight calculation will be solved by conversing it into the optimization problem; it is a new meaningful exploration.
为了定位特征值的指向，会使用到一个计算出的周围特征值的变换指向直方图来表示。
To determine the keypoint orientation, a gradient orientation histogram is computed in the neighbourhood of the keypoint.
本文指出，在矩阵迭代法的迭代过程中，特征值近似值序列是单调收敛的，并给出计算实例。
This paper indicated that the sequence of approximate value of eigenvalue is monotone convergent in the iteration process of matrix iteration method. And also gave examples.
本文重点给出了两种矩阵最大特征值的近似计算方法。
Presented in this paper are two kinds of approximate computation methods of the matrix maximum eigenvalue.
导出了计算系统最小衰减率的公式，该公式将系统矩阵的特征值与最小衰减率直接联系起来；
The minimum decay coefficient of PM concentrations is computed by a formula, which is found in direct link to the minimum decay rate with the eigenvalues of the state matrix.
此模型通过计算研究对象所属的各个已知模式的相对隶属度和级别特征值，判断了研究对象的分属模式。
The model can recognize research object pattern by counting its relative membership value to known patterns and its status value.
在岩土工程勘察中，粘粒含量这一特殊指标常用于判别饱和砂土液化以及进行地基承载力特征值计算。
In geotechnical investigation, clay particle content is often used in identifying saturated sand liquefaction and calculating the characteristic value of foundation bearing capacity.
通过桥渡水文计算，确定了设防流量及设防水位，校核了大桥主要特征值；
The designed discharge and designed flood level are determined by hydrological computation and main characteristic value of highway bridge is checked.
稳定问题可分为两类，第一类稳定问题计算简单，最后可归结为特征值的问题，具有重要的工程意义。
The stability issues include two categories. The first stability issue which can be attributed to Eigen value problem is easy to calculation and have a great important to the engineering.
由于计算效率较高，特征值屈曲分析是目前分析结构稳定性的主要方法。
Eigenvalue buckling analysis is the main method of structural stability because of its computational efficiency.
根据济阳坳陷137个砂体充满度的统计数据，计算了特征值，作出了因子载荷分布图。
Based on the statistical data for the sufficient degree of 137 sand bodies in Jiyang sag to calculate the characteristic value, and make the distribution map of factor loading.
结合多项式方法和QR方法各自的特点，提出了一种计算矩阵重特征值的方法。
There are two kinds of method to calculate the eigenvalues of a matrix: characteristic polynomial method and QR method.
提出了一种基于测试信号法的TCSC功率振荡阻尼(POD)控制器的设计方法，避免了计算量庞大的状态矩阵特征值计算。
A new test signal method based approach to design power oscillation damping (POD) controller for TCSC is proposed, by which the bulky eigenvalue calculation of state matrix can be avoided.
这样只要对若干个低维矩阵进行特征值计算，就可以进行机组—模式关联特性分析。
Then, the information about the swing mode can be aggregated into several very low dimension models by which the sensitivity can be computed.
首先对语音音素进行时域、频域、能量值的提取，然后通过计算得到每个采样点的组合特征值，描绘成图像。
Firstly, phonemes should be extracted on the time domain, the frequency domain and energy then the combination character of each sample and map figure were calculated.
介绍了对称矩阵的两特征值问题，并给出了计算公式。
Introduces the two-eigenvalue problem of a symmetric matrix and gives a formula to compute the matrix.
本文采用接触理论有限元数值方法加特征值计算的方法来解决考虑连接面固有特性计算的问题。
The finite element method (FEM) of contact theory and eigenvalue computing is used in this thesis to solve the problem of natural modal analyzing aircraft structure with contact surface.
首先通过计算线性近似系统特征值的方法，给出了奇点o为局部中心点的判定条件。
Firstly, by computing the eigenvalues of linear approximation system, a critical condition which ensures odd point o is local center is obtained.
通过定量计算油菜品种特征值与环境因子和生产需求之间的符合度，建立了适宜品种选择的量化知识模型。
By quantitatively calculating suitability of variety characters to environmental conditions and production requirements, a knowledge model for variety selection was established.
研究了计算大型稀疏对称矩阵的若干个最大或最小特征值的问题。
The problem of computing a few of the largest (or smallest) eigenvalues of a large sparse symmetric matrix is investigated.
基于线性代数与矩阵理论，给出利用LDLT分解计算实对称矩阵特征值的递归算法。
A recursive algorithm for calculating the eigenvalues of a real symmetric matrix based on LDLT decomposition is given.
作者编写了计算各种情况和不同边界条件下特征值的程序，得到了满意的结果。
The author has successfully compiled the program that can compute the eigenvalues under the different boundary conditions and situations, and got the satisfactory results.
针对某固体发动机喷管结构，建立计算模型，给出了用大型特征值问题求解的子空间迭代法。
Based on a nozzle structure in solid rocket motor, a calculation model is developed. The vibration and mode analysis of the model using subspace iteration method are presented in the paper.
针对某固体发动机喷管结构，建立计算模型，给出了用大型特征值问题求解的子空间迭代法。
Based on a nozzle structure in solid rocket motor, a calculation model is developed. The vibration and mode analysis of the model using subspace iteration method are presented in the paper.
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