Following are ten of a projected twelve-chapter book on ordinary differential equations, intended for junior/senior level undergraduates. They are mostly in satisfactory shape (except as indicated), with a fairly good range of problems, but without any diagrams as yet.

---

Final Exam

---

Problem Set No.2

Problem Set No.3

---

1. Introduction and first-order ODEs

2. Linear equations

3. Linear equations with constant coefficients

4. Linear equations with analytic coefficients

5. Linear equations with regular singular points

6. Existence and regularity.

7. Dynamical systems.

8. Boundary-value problems and Green's functions

9. The Sturm-Liouville problem

10. Eigenfunction expansions

to Norman Lebovitz homepage