Features
Offers a unique presentation sharply focused on detail
Contains illustrative examples and exercises at the end of each chapter
Provides an elaboration of details, intended to stimulate students
Though ordinary differential equations is taught as a core course to students in mathematics and applied mathematics, detailed coverage of the topics with sufficient examples is unique.
Written by a mathematics professor and intended as a textbook for third- and fourth-year undergraduates, the five chapters of this publication give a precise account of higher order differential equations, power series solutions, special functions, existence and uniqueness of solutions, and systems of linear equations.
Relevant motivation for different concepts in each chapter and discussion of theory and problems-without the omission of steps-sets Ordinary Differential Equations: A First Course apart from other texts on ODEs. Full of distinguishing examples and containing exercises at the end of each chapter, this lucid course book will promote self-study among students.
Author(s): D. Somasundaram
Edition: 1
Publisher: Narosa /CRC
Year: 2001
Language: English
Pages: C,VIII,295,B
HIGHER ORDER LINEAR DIFFERENTIAL EQUATIONS
Introduction
Preliminaries
Initial Value Problems
Boundary Value Problems
Superposition Principle
The Wronskian and Its Properties
Linear Dependence of Solutions
Reduction of Order
Method of Variation of Parameters
The Method of Variation of Parameters for the Non-Homogeneous Equation of n-th order
A Formula for the Wronskian
Homogeneous Linear Differential Equations with constant Coefficients
n-th Order Homogeneous Differential Equations with Constant Coefficients
Examples I
Exercises I
POWER SERIES SOLUTIONS
Introduction
The Taylor Series Method
Second Order Equations with Ordinary Points
Second Order Linear Equations with Regular Singular Points
Two Exceptional Cases
Gauss Hypergeometric Series
The Point at Infinity as a Singular Point
Examples II
Exercises II
FUNCTIONS OF DIFFERENTIAL EQUATIONS
Introduction
Legendre Functions
Legendre Series Expansion
Some Properties of Legendre Polynomials
Hermite Polynomials
Properties of Laguerre Polynomials
Properties of Bessel Functions
Bessel Series Expansion
Examples III
Exercises III
EXISTENCE AND UNIQUENESS OF SOLUTIONS
Introduction
Lipschitz Condition and Gronwall inequality
Successive Approximations and Picard Theorem
Dependence of Solutions on the Initial Conditions
Dependence of Solutions on the Functions
Continuations of the Solutions
Non-Local Existence of Solutions
Examples IV
Exercises IV
SYSTEMS OF LINEAR DIFFERENTIAL EQUATIONS
Introduction
Systems of First Order Equations
Matrix Preliminaries
Representation of n-th Order Equations as a System
Existence and Uniqueness of Solutions of System of Equations
Wronskian of Vector Functions
The Fundamental Matrix and its Properties
Non-Homogeneous Linear Systems
Linear Systems with Constant Coefficients
Linear Systems with Periodic Coefficients
Existence and Uniqueness of Solutions of systems
Examples V
Exercises V
REFERENCES
SOLUTIONS TO EXERCISES
INDEX
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