Differential Equations

Chapter 1: Introduction to Differential Equations

1.1: What are Differential Equations + Real Life Applications

1.2: Initial Value Problems

Chapter 2: First Order Differential Equations

2.1: Solution Curves, Direction Fields, Autonomous First Order DE’S

2.2: Separable Variables

2.3: Linear Equations

2.4: Exact Equations

2.5: Solutions by Substitutions

2.6: A Numerical Method

Chapter 3: Modeling with First Order Differential Equations

3.1: Linear Models

3.2: Non-Linear Models

3.3: Modeling with Systems of First Order DE’S

Chapter 4: Higher Order Differential Equations

4.1: Linear Equations – Initial Value and Boundary Value Problems

4.2: Linear Equations – Homogenous and Nonhomogenous Equations

4.3: Reduction of Order

4.4: Homogeneous Linear Equations with Constant Coefficients

4.5: Undetermined Coeffcients: Superposition Approach

4.6: Undetermined Coeffcients: Annihilator Approach

4.7: Variation of Parameters

4.8: Cauchy-Euler Equations

4.9: Solving Systems of Linear DE’s by Elimination

4.10: Nonlinear DE’s

Chapter 5: Modeling with Higher Order Differential Equations

5.1: Linear Models – Initial Value Problems with Spring/Mass Systems – Free Undamped Motion, Free Damped Motion, Driven Motion

5.2: Linear Models – Initial Value Problems with Series Circuit Analogue

5.3: Linear Models – Boundary Value Problems

5.4: Nonlinear Models

Chapter 6: Series Solutions of Linear Equations

6.1: Solutions About Ordinary Points – Power Series Solutions

6.2: Solutions About Singular Points

6.3: Special Functions – Bessel’s Equation and Legendre’s Equation

Chapter 7: Laplace Transform

7.1: What is the Laplace Transform

7.2: Inverse Transforms and Transforms of Derivatives

7.3: Operational Properties – Translation on the s-axis and t-axis

7.4: Operational Properties – Derivatives of a Transform, Transforms of Integrals and Periodic Functions

7.5: Dirac Delta Function

7.6: Systems of Linear DE’s

Chapter 8: Systems of Linear First Order Differential Equations

8.1: Homogeneous Linear Systems – Distinct Real Eigenvalues, Repeated Eigenvalues, Complex Eigenvalues

8.2: Nonhomogenous Linear Systems – Undetermined Coefficients and Variation of Parameters

8.3: Matrix Exponential

Chapter 9: Numerical Solutions of Ordinary Differential Equations

9.1: Euler Methods and Error Analysis

9.2: Runge-Kutta Methods

9.3: Multistep Methods

9.4: Higher Order Equations and Systems

9.5: Second Order Boundary Value Problems

Chapter 10: Plane Autonomous Systems

10.1: Autonomous Systems

10.2: Stability of Linear Systems

10.3: Linearization and Local Stability

10.4: Autonomous Systems as Mathematical Models

Chapter 11: Orthogonal Functions and Fourier Series

11.1: Orthogonal Functions

11.2: Fourier Series

11.3: Fourier Cosine and Sine Series

11.4: Sturm: Liouville Problem

11.5: Fourier-Bessel and Fourier-Legendre Series

Chapter 12: Boundary Value Problems in Rectangular Coordinates

12.1: Separable Partial DE’s

12.2: Classical PDE’s and Boundary Value Problems

12.3: Heat and Wave Equations

12.4: Laplace’s Equation

12.5: Nonhomogeneous Boundary Value Problems

12.6: Orthogonal Series Expansions

12.7: Higher Dimensional Problems

Chapter 13: Boundary Value Problems in Other Coordinate Systems

13.1: Polar Coordinates

13.2: Cylindrical Coordinates

13.3: Spherical Coordinates

Chapter 14: Integral Transforms

14.1: Error Function

14.2: Laplace Transform

14.3: Fourier Integral

14.4: Fourier Transforms

Chapter 15: Numerical Solutions of Partial DE’s

15.1: Laplace’s Equation

15.2: Heat and Wave Equations

Link to Textbook: Differential Equations, 11th Edition by Zill