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n阶线性微分方程初值解的存在性与唯一性
引用本文:杨萌,唐刚. n阶线性微分方程初值解的存在性与唯一性[J]. 黄石理工学院学报, 2007, 23(5): 52-54
作者姓名:杨萌  唐刚
作者单位:黄石理工学院,数理学院,湖北,黄石,435003
摘    要:
将n阶线性常微分方程化成一阶的线性常微分方程组,在向量形式下,通过对范数的定义,运用压缩映射原理找到系统的一个不动点,说明n阶线性常微分方程解的存在性与唯一性.

关 键 词:压缩映射原理  不动点  解的存在性与唯一性  线性微分方程  初值  解的存在性与唯一性  Linear Differential Equations  Solution  不动点  系统  压缩映射原理  运用  范数  向量形  常微分方程组  线性常微分方程
文章编号:1008-8245(2007)05-0052-03
修稿时间:2007-06-12

The Existence and Uniqueness of the Initial-value Solution of n-order Linear Differential Equations
Yang Meng,Tang Gang. The Existence and Uniqueness of the Initial-value Solution of n-order Linear Differential Equations[J]. Journal of Huangshi Institute of Technology, 2007, 23(5): 52-54
Authors:Yang Meng  Tang Gang
Affiliation:School of Mathematics and Physics, Huangshi Institute of Technology, Huangshi Hubei 435003
Abstract:
n -order linear ordinary differential equations are transformed to the system of first order linear ordinary differential equations. The existence and uniqueness of the solution of n - order linear differential equations are illustrated through defining the norm in the vector format and finding a fixed point of the system by using the contraction mapping theory.
Keywords:the contraction mapping theory   fixed point   the existence and uniqueness of the solution
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