| 1. Introduction |
| Lesson 1. Introduction to Partial Differential Equations |
| 2. Diffusion-Type Problems |
| Lesson 2. Diffusion-Type Problems (Parabolic Equations) |
| Lesson 3. Boundary Conditions for Diffusion-Type Problems |
| Lesson 4. Derivation of the Heat Equation |
| Lesson 5. Separation of Variables |
| Lesson 6. Transforming Nonhomogeneous BCs into Homogeneous Ones |
| Lesson 7. Solving More Complicated Problems by Separation of Variables |
| Lesson 8. Transforming Hard Equations into Easier Ones |
| Lesson 9. Solving Nonhomogeneous PDEs (Eigenfunction Expansions) |
| Lesson 10. Integral Transforms (Sine and Cosine Transforms) |
| Lesson 11. The Fourier Series and Transform |
| Lesson 12. The Fourier Transform and its Application to PDEs |
| Lesson 13. The Laplace Transform |
| Lesson 14. Duhamel's Principle |
| Lesson 15. The Convection Term u subscript x in Diffusion Problems |
| 3. Hyperbolic-Type Problems |
| Lesson 16. The One Dimensional Wave Equation (Hyperbolic Equations) |
| Lesson 17. The D'Alembert Solution of the Wave Equation |
| Lesson 18. More on the D'Alembert Solution |
| Lesson 19. Boundary Conditions Associated with the Wave Equation |
| Lesson 20. The Finite Vibrating String (Standing Waves) |
| Lesson 21. The Vibrating Beam (Fourth-Order PDE) |
| Lesson 22. Dimensionless Problems |
| Lesson 23. Classification of PDEs (Canonical Form of the Hyperbolic Equation) |
| Lesson 24. The Wave Equation in Two and Three Dimensions (Free Space) |
| Lesson 25. The Finite Fourier Transforms (Sine and Cosine Transforms) |
| Lesson 26. Superposition (The Backbone of Linear Systems) |
| Lesson 27. First-Order Equations (Method of Characteristics) |
| Lesson 28. Nonlinear First-Order Equations (Conservation Equations) |
| Lesson 29. Systems of PDEs |
| Lesson 30. The Vibrating Drumhead (Wave Equation in Polar Coordinates) |
| 4. Elliptic-Type Problems |
| Lesson 31. The Laplacian (an intuitive description) |
| Lesson 32. General Nature of Boundary-Value Problems |
| Lesson 33. Interior Dirichlet Problem for a Circle |
| Lesson 34. The Dirichlet Problem in an Annulus |
| Lesson 35. Laplace's Equation in Spherical Coordinates (Spherical Harmonics) |
| Lesson 36. A Nonhomogeneous Dirichlet Problem (Green's Functions) |
| 5. Numerical and Approximate Methods |
| Lesson 37. Numerical Solutions (Elliptic Problems) |
| Lesson 38. An Explicit Finite-Difference Method |
| Lesson 39. An Implicit Finite-Difference Method (Crank-Nicolson Method) |
| Lesson 40. Analytic versus Numerical Solutions |
| Lesson 41. Classification of PDEs (Parabolic and Elliptic Equations) |
| Lesson 42. Monte Carlo Methods (An Introduction) |
| Lesson 43. Monte Carlo Solutions of Partial Differential Equations) |
| Lesson 44. Calculus of Variations (Euler-Lagrange Equat |
| Lesson 45. Variational Methods for Solving PDEs (Method of Ritz) |
| Lesson 46. Perturbation method for Solving PDEs |
| Lesson 47. Conformal-Mapping Solution of PDEs |
| Answers to Selected Problems |
| Appendix 1. Integral Transform Tables |
| Appendix 2. PDE Crossword Puzzle |
| Appendix 3. Laplacian in Different Coordinate Systems |
| Appendix 4. Types of Partial Differential Equations |
| Index |