精品文档---下载后可任意编辑一类常微分方程组及分数阶微分方程的解的存在性的开题报告题目：一类常微分方程组及分数阶微分方程的解的存在性摘要：本文主要讨论一类常微分方程组及分数阶微分方程，讨论它们解的存在性问题。我们首先介绍了常微分方程组的概念及其基本理论，然后讨论了一类常微分方程组的解的存在性，给出了一个局部存在性及唯一性的定理，并给出了一个例子。接着，我们介绍了分数阶微分方程的基本概念及其相关理论，并讨论了分数阶微分方程解的存在性问题。我们首先给出了分数阶微积分的基本定义及性质， 接着介绍了分数阶导数及其性质，特别是关于Riemann-Liouville 分数阶导数的定义和性质。然后我们介绍了分数阶微分方程的概念及其基本理论，并讨论了分数阶微分方程解的存在性，包括局部存在性、唯一性和全局存在性等。最后，我们给出一个分数阶常微分方程的例子，讨论其解的存在性及唯一性。关键词：常微分方程组，分数阶微分方程，存在性，唯一性，局部存在性，全局存在性。Abstract：In this paper, we study the existence of solutions of a class of ordinary differential equations and fractional differential equations. We first introduce the concept of ordinary differential equations and their basic theory. Then we discuss the existence of solutions for a class of ordinary differential equations, providing a theorem of local existence and uniqueness, and give an example.Next, we introduce the basic concepts of fractional calculus and its related theory, and discuss the existence of solutions for fractional differential equations. We first give the basic definition and properties of fractional calculus, and then introduce the definition and properties of fractional derivative, especially with respect to Riemann-Liouville fractional derivative. Then, we introduce the concept of fractional differential equations and their basic theory, and discuss the existence of solutions, including local existence, uniqueness, and global existence. Finally, we give an example of a 精品文档---下载后可任意编辑fractional ordinary differential equation and discuss its existence and uniqueness of solution.Keywords: Ordinary differential equation, fractional differential equation, existence, uniqueness, local existence, global existence.
