inverse matrix

Taking asphalt anticorrosive coating as an example,by using the theory of an Markov chain,the application of an inverse matrix in prediction for coating degradation was illustrated,which provides a basis for determining the aging distribution of the pipeline s external anticorrosive coating.

介绍了埋地燃气管道外防腐层老化状况评价标准,以沥青外防腐层为例,通过应用马尔可夫链理论,阐述了基于逆阵的外防腐层老化状况预测的方法,从而为确定整条管线外防腐层老化状况分布提供了理论依据。

Inverse matrix is an important matrix in linear algebra ,whether can use line or list transformation simultaneously in obtaining the inverse matrix of a given matrix? This paper deals with the problem.

逆阵是线性代数中的一个重要矩阵,能否同时使用矩阵的初等行、列变换求逆阵?本文就这一问题进行探讨。

The methods such as Cramer\'s rule and multiplication by an inverse matrix for solving a linear system are valid only when the coefficient matrix is regular.

克拉默法则、逆阵乘积法只能求解系数行列式不为零的适定方程组;初等变换法可以直观地解决所有类型的超定、欠定、适定方程组,是一种普适的方法;利用向量空间概念求解线性方程组,更能从本质上把握线性方程组的解的性质。

Recursion formula and the expression of inverse matrix of jump vandermonde matrix;

跳行范德蒙矩阵逆矩阵的递推公式及表达式

On solutions of inverse matrixs and its application in portfolio investment;

逆矩阵的求法及其在证券投资组合中的应用

On notes of inverse matrix of block matrix;

关于某些分块矩阵的逆矩阵的注记

On what case linear combination of two invertible matrices is still an invertible matrix? This paper has given the answer that linear combination of two invertible matrices is also invertible matrix.

给出了两个可逆阵的线性组合仍为可逆阵的一些特殊情况的回答 ,并且给出了 2个交换的对合矩阵的线性组合仍为对合矩阵的充要条

Two calculational methods for analyzing the spectrum which measured by indoor low background multi-channels gamma-rays spectometer(Na(Tl)) to get the specific activity of 226Ra, 232Th and 40K of the sample are discussed, they are the spectrum analysis method and the characteristic energy peak method(inverse matrix method) respectively.

论述了以NaI(Tl)晶体为探测器的室内低本底多道γ射线能谱仪用于测量样品中226Ra、232Th和40K放射性比活度的两种计算方法———谱线分解法和特征能量峰法(逆矩阵法),并设计编制程序,分别采用这两种方法对样品谱线进行处理分析,将分析结果与高纯锗γ谱仪分析结果对比,两种方法分析同一样品的相对偏差均≤10%。

Drazin inverse of matrix A can be expressed by polynomial of A.

为降低多项式的次数,利用Jordan标准形理论分析了矩阵Drazin逆的结构,再由矩阵最小多项式的系数,给出了一个最低次多项式d(A)的算法,使d(A)为的Drazin的逆。

Criteria of a special inverse M-matrices;

一类特殊逆M-矩阵的判定

We shall prove several inequalies involving symmetric positive semidef-inite,general M-matrices and inverse M-matrices which are generalization of the classical Oppenheim s Inequality for symmetric positive semidefinite matrices.

本文旨在推广关于对半正定矩阵成立的Oppenheim不等式,证明几种关于对称半定矩阵、一般M-矩阵和逆M-矩阵成立的Oppenheim型不等式,作为Oppenheim不等式的推广,这些不等式在理论上和应用上都是具有意义的。

The special matrices included inverse M-matrices, inverse Z-matrices, tridiagonal matrices and nonnegative irreducible matrices.

其中重要的有特殊矩阵Z-矩阵、逆M-矩阵、三对角矩阵、非负不可约矩阵等。

Inverse Matrix of Triple-diaganal Symmetry Toeplitz Matrix;

Toeplitz矩阵逆阵的一种解法

An Application of Generalized Inverse Matrix of Fuzzy Matrix;

Fuzzy矩阵广义逆阵的一个应用

Inversion of permutation factor circulant matrices over Z_p

域Z_p上的置换因子循环矩阵的逆阵

The Fast Fourier Transform Algorithm for the Inverse and Generalized Inverse of the Permutation Factor Circulant Matrices;

求置换因子循环矩阵的逆阵及广义逆阵的快速傅氏变换法

The matrix is defined as the reciprocal of A.

该矩阵定义为A之逆矩阵。

Some Common Properties Among Invertible Matrix,Adjoint Matrix and Inverse Matrix

可逆矩阵及其伴随矩阵、逆矩阵的一些共同特性

On Generalized Moore-Penrose Inmerse Matrix;

关于Moore-Penrose广义逆距阵

The Greneralized Moore-Penrose Inverse Of Matrices over Rings;

环上矩阵的广义Moore-Penrose逆

Weighted Moore-Penrose Inverse of Fuzzy Matrix

Fuzzy矩阵的加权Moore-Penrose逆

THE MOORE-PENROSE INVERSE OF A SPECIAL MATRIX

一些特殊矩阵Moore-Penrose逆

On Hadamard Product of Tridingonal Inverse M-Matrices

三对角逆M-矩阵的Hadamard积

Sufficient and Necessary Conditions for the Drazin Inverse and Group Inverse Presentation of Block Matrix

分块矩阵Drazin逆和群逆表示的充要条件

Inverse Eigenvalue Problems for Jacobi and Unitary Hessenberg Matrices;

Jacobi阵和酉Hessenberg阵的逆特征值问题

A Calculation Method for Generalized Inverse Matrix of Rectangular Matrix;

长方形矩阵的广义逆矩阵的计算方法

An Elementary Transformation Method for Computing the Generalized Inverse of Matrix;

求λ-矩阵广义逆矩阵的初等变换法

The Reduction about Polynomial Bezout Matrix and the Inverse of Vandermonde Matrix;

多项式Bezout矩阵的约化与Vandermonde矩阵的逆

The Inverse Matrices of Arithmetical Hankel Matrices;

等差序列构成的Hankel矩阵的逆矩阵

Calculating Inverse Matrix of Partitioned Matrix with Generized Elementary Transformation;

用“广义初等变换”求分块矩阵的逆矩阵