## Ordinary Differential Equations: MATH S3027 Section 2 (Summer 2019)

- Classes: Mon/Tues/Weds/Thurs 4:30pm - 6:05pm, 407 Mathematics Building
- Instructor: Henry Liu (hliu at math dot columbia dot edu)
- Office hours: Fri 2:00 - 4:00pm in 307 Math (or appointment by email)
- TA: Zhechi Cheng (zcheng at math dot columbia dot edu)
- TA help room hours: Mon and Weds 2:00 - 4:00pm in 406 Math

I will update the notes (PDF) after every class. Please let me know if you find errors or typos.

The **midterm** is in class on **July
29**. Here is a practice
midterm.

The **final** is in **312 Math**
on **Aug 15** from **4:30pm to
7:20pm**. Here is a practice
final.

### Homework

There are two homework assignments per week, due in class by
the **start of class on Mondays and Thursdays**.
(You can also drop them off before class in the drop box on the
4th floor of the Math building.)

- Homework 1 (due Jul 11)
- Homework 2 (due Jul 15)
- Homework 3 (due Jul 18)
- Homework 4 (due Jul 22)
- Homework 5 (due Jul 25)
- Homework 6 (due Jul 29)
- Homework 7 (due Aug 01)
- Homework 8 (due Aug 05)
- Homework 9 (due Aug 08)
- Homework 10 (due Aug 12)
- (
**Bonus**) Homework 11 (due Aug 16 at 2pm)