There are two kinds of method to calculate the eigenvalues of a matrix: characteristic polynomial method and QR method.
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。
In this paper, the concept of the characteristic polynomial, the converse graph, the symmetrical closure and others are defined.
本文引入有向图的特征多项式、反图、对称闭包等概念。初步探讨它们与图的某些整体性质的关系。
In this paper, we present an iterative method for determining whether all roots of characteristic polynomial are on the left half-plane.
本文提出一种确定特征多项式的全部根是否位于左半平面的迭代法。
HMO characteristic polynomial and select eigenvalues for many heterocyclic benzenoids are calculated by using chemical graph theory methods.
应用化学图论计算了杂环芳烃HMO的选择本征值和本征多项式。
A Characteristic polynomial algorithm for computation of Chebyshev polynomial over finite field is modified to achieve faster execution speed.
对计算有限域上切比雪夫多项式的特征多项式算法进行改进以提高算法的执行速度。
This paper introduces the reduced order theory of characteristic polynomial and its application in the higher order matrix aspects are presented.
研究特征多项式的降阶定理以及它在高阶矩阵方面的应用。
The property of companion matrix is studied, and the method of calculating the characteristic polynomial of matrix with similar transformation is explained.
研究了友阵的性质，论述了用相似变换计算矩阵特征多项式的方法。
Since this simplified algorithm requires no computation of the characteristic polynomial of the controlled system, it makes the practical calculation convenient.
该算法不需要计算控制系统的特征多项式，因此给实际计算带来方便。
The formulae for the number of loops, edges, triangles, pairs of two-way nodes and pairs of one-way nodes are deduced by the coefficients of a characteristic polynomial, so on.
推导出由特征多项式的系数表示的线图（无重边图）中圈的个数，双向结点对个数，单向结点对个数及简单图中有向三角形个数的计算公式，等等。
Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
In this paper, we discuss the locally topological structures of nonlinear homogeneous systems with one zero characteristic root, and give a criteria by the right-hand polynomial coefficients.
本文讨论了具有一个零特征根的非线性齐次系统的局部拓扑结构，并给出利用系统右端多项式系数的判断准则。
Based on the pseudo-division algorithm for multivariate matrix polynomials, a new solving process of characteristic series for algebraic polynomial systems is given.
基于矩阵多元多项式的带余除法，给出了代数情形多项式组特征列的一种新求法，并举例验证了这种方法的有效性。
The research results reveal that comparative valve balanced movement characteristic can obtain using high order polynomial dynamic cam in high speed gasoline engine.
结果表明，采用高次多项式动力凸轮用于高速汽油机凸轮设计，能够获得相对平稳的气门运动特性。
Thus the authors use distributed polynomial with orthogonal characteristic for approximating displacement function of the beam;
利用正交特征分布多项式，逼近梁的位移函数。
The characteristic curve of IGBT is fitted with polynomial to establish its loss model, based on which its loss calculation method is proposed.
采用多项式方法拟合IGBT器件手册提供的特性曲线，建立多项式损耗模型，给出了一种基于曲线拟合理论计算损耗的方法。
While the discrete test run data of an aero-engine was adapted using the high order multi-parameters polynomial fit method, the steady characteristic curves were founded.
为此对某型航空发动机的离散试车数据点进行了多元高次多项式拟合，建立了该型号发动机的稳态特性曲线。
In this dissertation, we represent the measurement method on nonlinear characteristic and memory effect of power amplifiers and then discuss behavioral modeling based on polynomial structure.
本论文主要内容涉及放大器的非线性测量和多项式结构的行为模型的研究。
In this dissertation, we represent the measurement method on nonlinear characteristic and memory effect of power amplifiers and then discuss behavioral modeling based on polynomial structure.
本论文主要内容涉及放大器的非线性测量和多项式结构的行为模型的研究。
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