查询词典 operator equation

In this paper, nonnegative matrix and operator equation have been discussed.

本文研究的内容分别涉及到非负矩阵和算子方程的有关内容。

We will study the existence of sign-changing solution. In the second chapter, we consider the existence of sign-changing solutions for nonlinear operator equation and its application in abstract space.

尽管理论和应用中的许多问题均可归结常微分方程非局部问题，但由于非局部问题自身固有的难度，人们对非局部问题的研究起步相当晚。

After reducing the problem to a nonlinear ill-posed operator equation,Newton type iterative methods were considered.

把问题归结为一个非线性不适定的算子方程后，考虑该方程的Newton型迭代方法。

This article studies solution of the first kind of operator equation and makes theoretical analysis and algorithm in detail.

讨论了地球物理反演问题中的第一类算子方程的解法，基于Tikhonov正则化思想，给出了详细的理论分析和算法描述。

How to solve the operator equation is a classical problem, which have beenstudied throughout by mathematics all over the world.

算子方程的求解问题，是一个经典的问题，始终被世界各地数学家所关注。

Hence,when the solvability of one operator equation is proved,the existence results of many equations are obtained .

所以解决了一个算子方程解的存在性问题，也就解决了很多非线性方程解的存在性问题。

Then we can turn the existence of periodic solution of this class of equations into the solvability of a operator equation.

再由这类方程的特点构造H→H的算子，将求周期解问题转化为求算子方程问题。

In chapter 4, we compute the symmetry group, variational symmetry group, divergence symmetry group of some operator equation.

在第四章中计算了一些偏微分算子方程的对称群，变分对称群以及散度对称群。

Keywords: Banach space;operator;equation;boundary condition;perturbation.

中文关键词：巴拿赫空间；算子；方程；边界条件；扰动

To begin with,the existence and uniqueness of the nonnegative solution of the system is obtained by use of the Volterra operator equation in a Banach space and elementary techniques.

利用Banach空间下的Volterra积分方程，运用初等方法首先证明了该系统非负解的存在唯一性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。