Differential and Difference Equations(差分与微分方程)(本科教材) 本书特色

This book introduces the basic solutions and theories of difference and ordinary differential equations in detail,which meets the requirements of the relevant professional syllabus and is composed of 7 chapters,including the common practical models of difference and differential equations,the solutions of difference equations, the solutions of first order and higher order differential equations,the basic theory of differential equations and the solutions of linear differential equations,qualitative theory.This book starts with not the basic concepts and theories,but the practical model and pays more attention to the application of theoretical knowledge.

This book can be used as a reference for students,teachers and researchers of mathematics,physics,engineering and related majors in colleges and universities.
This book introduces the basic solutions and theories of difference and ordinary differential equations in detail,which meets the requirements of the relevant professional syllabus and is composed of 7 chapters,including the common practical models of difference and differential equations,the solutions of difference equations, the solutions of first order and higher order differential equations,the basic theory of differential equations and the solutions of linear differential equations,qualitative theory.This book starts with not the basic concepts and theories,but the practical model and pays more attention to the application of theoretical knowledge.

This book can be used as a reference for students,teachers and researchers of mathematics,physics,engineering and related majors in colleges and universities.



本书详细介绍了差分方程和常微分方程的基本解法和基本理论，其内容符合相关专业教学大纲的要求，共由七章组成，包括常见的差分和微分方程实际模型，差分方程的求解，一阶及高阶微分方程求解，微分方程组的基本理论及线性微分方程组的解法，定性理论初步。本书并没有以基本概念和理论作为开端，而是从实际模型出发，更加注重理论知识的应用。

本书可供高等学校数学、物理、工程及相关专业的学生、教师及研究人员参考使用。

Differential and Difference Equations(差分与微分方程)(本科教材) 目录

Chapter 1Basic difference equations models001

1.1Difference equations of financial mathematics001

1.1.1Compound interest and loan repayments001

1.1.2Some Money Related Models002

1.2Difference equations of population theory004

1.2.1Single equations for unstructured population models004

1.2.2Structured populations and linear systems of difference equations006

1.2.3Markov chain008



Chapter 2Basic differential equations models010

2.1Equations related to financial mathematics010

2.2Continuous population models011

2.3Equations of motion: second order equations015

2.4Modelling interacting quantities systems of differential equations018



Chapter 3Solution and applications of difference equations021

3.1Linear first-order difference equations021

3.2Difference calculus and general theory of linear difference equations024

3.2.1Difference calculus025

3.2.2General theory of linear difference equations027

3.3Linear Homogeneous equations with constant coefficients033

3.4Linear Nonhomogeneous equations037

3.5Limiting behavior of solution041

3.6Autonomous（Time-Invariant）Systems043

3.7Exercises043



Chapter 4Concepts and solutions of differential equations047

4.1Concepts047

4.2Existence and uniqueness of solutions052

4.3First-order linear differential equations056

4.4Exact equation and separation of variables062

4.5Integrating factors068

4.6Initial-value and two-point boundary-value071

4.7Exercises074



Chapter 5Second and higher order differential equations077

5.1Algebraic properties of solutions077

5.2Linear equations with constant coefficients085

5.3The non-homogeneous equation092

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