Gray

Mezzino

Pinsky


Table of Contents of the Text



Preface

Acknowledgments

1. Basic Concepts

1.1 The Notion of a Differential Equation
1.2 Sources of Differential Equations
1.3 Solving Differential Equations

2. Using Mathematica

2.1 Getting Started with Mathematica
2.2 Mathematica Notation versus Ordinary Mathematical Notation
2.3 Plotting in Mathematica

3. First-Order Differential Equations

3.1 Introduction to First-Order Equations
3.2 First-Order Linear Equations
3.3 Separable Equations
3.4 Exact Equations and Integrating Factors
3.5 Homogeneous First-Order Equations
3.6 Bernoulli Equations

4. The Package ODE.m

4.1 Getting Started with ODE
4.2 Features of ODE
4.3 Plotting with ODE
4.4 First-Order Linear Equations via ODE
4.5 Separable Equations via ODE
4.6 First-Order Equations with Integrating Factors via ODE
4.7 First-Order Homogeneous Equations via ODE
4.8 Bernoulli Equations via ODE
4.9 Clairaut and Lagrange Equations via ODE
4.10 Nonelementary Integrals
4.11 Using ODE to Define New Functions
4.12 Riccati Equations

5. Existence and Uniqueness of Solutions of First-Order Differential Equations

5.1 The Existence and Uniqueness Theorem
5.2 Explosions and a Criterion for Global Existence
5.3 Picard Iteration
5.4 Proofs of Existence Theorems
5.5 Direction Fields and Differential Equations
5.6 Stability Analysis of Nonlinear First-Order Equations

6. Applications of First-Order Equations I

6.1 Population Models with Constant Growth Rate
6.2 Population Models with Variable Growth Rate
6.3 Logistic Model of Population Growth
6.4 Population Growth with Harvesting
6.5 Population Models for the United States
6.6 Temperature Equalization Models

7. Applications of First-Order Equations II

7.1 Elementary Mechanics
7.2 Rocket Propulsion
7.3 Electrical Circuits
7.4 Mixing Problems
7.5 Pursuit Curves

8. Second-Order Linear Differential Equations

8.1 General Forms and Examples
8.2 Existence and Uniqueness Theory
8.3 Fundamental Sets of Solutions to the Homogeneous Equation
8.4 The Wronskian
8.5 Linear Independence and the Wronskian
8.6 Reduction of Order
8.7 Equations with Given Solutions

9. Second-Order Linear Differential Equations with Constant Coefficients

9.1 Constant-Coefficient Second-Order Homogeneous Equations
9.2 Complex Constant-Coefficient Second-Order Homogeneous Equations
9.3 The Method of Undetermined Coefficients
9.4 The Method of Variation of Parameters

10. Using ODE to Solve Second-Order Linear Differential Equations

10.1 Using ODE to Solve Second-Order Constant-Coefficient Equations
10.2 Details of ODE for Second-Order Constant-Coefficient Equations
10.3 Reduction of Order and Trial Solutions via ODE
10.4 Equations with Given Solutions via ODE

11. Applications of Linear Second-Order Equations

11.1 Mass-Spring Systems
11.2 Forced Vibrations of Mass-Spring Systems
11.3 Electrical Circuits
11.4 Sound

12. Higher-Order Linear Differential Equations

12.1 General Forms
12.2 Constant-Coefficient Higher-Order Homogeneous Equations
12.3 Variation of Parameters for Higher-Order Equations
12.4 Higher-Order Differential Equations via ODE
12.5 Seminumerical Solutions of Higher-Order Constant-Coefficient Equations

13. Numerical Solutions of Differential Equations

13.1 The Euler Method
13.2 The Heun Method
13.3 The Runge-Kutta Method
13.4 Solving Differential Equations Numerically with ODE
13.5 ODE's Implementation of Numerical Methods
13.6 Using NDSolve
13.7 Adaptive Step Size and Error Control
13.8 The Numerov Method

14. The Laplace Transform

14.1 Definition and Properties of the Laplace Transform
14.2 Piecewise Continuous Functions
14.3 Using the Laplace Transform to Solve Initial Value Problems
14.4 The Gamma Function
14.5 Computation of Laplace Transforms
14.6 Step Functions
14.7 Second-Order Equations with Piecewise Continuous Forcing Functions
14.8 Impulse Functions
14.9 Convolution
14.10 Laplace Transforms via ODE

15. Systems of Linear Differential Equations

15.1 Notation and Definitions for Systems
15.2 Existence and Uniqueness Theorems for Systems
15.3 Solution of Upper Triangular Systems by Elimination
15.4 Homogeneous Linear Systems
15.5 Constant-Coefficient Homogeneous Systems
15.6 The Method of Undetermined Coefficients for Systems
15.7 The Method of Variation of Parameters for Systems
15.8 Solving Systems Using the Laplace Transform

16. Phase Portraits of Linear Systems

16.1 Phase Portraits of Two-Dimensional Linear Systems
16.2 Using ODE to Solve Linear Systems
16.3 Phase Portraits of Two-Dimensional Linear Systems via ODE

17. Stability of Nonlinear Systems

17.1 Curves
17.2 Autonomous Systems
17.3 Critical Points of Systems of Differential Equations
17.4 Stability and Asymptotic Stability of Nonlinear Systems
17.5 Stability by Linearized Approximation
17.6 Lyapunov Stability Theory

18. Applications of Linear Systems

18.1 Coupled Systems of Oscillators
18.2 Electrical Circuits
18.3 Markov Chains
19. Applications of Nonlinear Systems

19.1 Numerical Solutions of Systems of Differential Equations
19.2 Predator-Prey Modeling
19.3 The Van Der Pol Equation
19.4 The Simple Pendulum
19.5 The Fundamental Theorem of Plane Curves

20. Power Series Solutions of Second-Order Equations

20.1 Review of Power Series
20.2 Power Series via Mathematica
20.3 Power Series Solutions about an Ordinary Point
20.4 The Airy Equation
20.5 The Legendre Equation
20.6 Convergence of Series Solutions
20.7 Series Solutions of Differential Equations Using ODE

21. Frobenius Solutions of Second-Order Equations

21.1 Solutions about a Regular Singular Point
21.2 The Cauchy-Euler Equation
21.3 Method of Frobenius: The First Solution
21.4 Bessel Functions I
21.5 Method of Frobenius: The Second Solution
21.6 Bessel Functions II
21.7 Bessel Functions via Mathematica
21.8 An Aging Spring
21.9 The Hypergeometric Equation

A. Appendix: Review of Linear Algebra and Matrix Theory

A.1 Vector and Matrix Notation
A.2 Determinants and Inverses
A.3 Systems of Linear Equations and Determinants
A.4 Eigenvalues and Eigenvectors
A.5 The Exponential of a Matrix
A.6 Abstract Vector Spaces
A.7 Vectors and Matrices with Mathematica
A.8 Solving Equations with Mathematica
A.9 Eigenvalues and Eigenvectors with Mathematica

B. Appendix: Systems of Units

Answers

Bibliography

General Index

Name Index

Miniprogram and Mathematica Index