# Math 320

## Spring 2019

• Syllabus.
• Resources if you want to learn TeX.
• Homework 1 (due 4/5):
• Chapter 1: #1, 3, 7, 11, 12.
• Reading 1 (due 4/7): Chapter 2.
• Homework 2 (due 4/12):
• Chapter 2: #2, 3, 6, 7, 12.
• Solutions: pdf, tex.
• Reading 2 (due 4/14): Chapter 3, 4.1, 4.2.
• Homework 3 (due 4/19):
• Chapter 3: #1, 2, 3, 9, 11.
• MIT Mathlet for exploring the trace-determinant plane.
• Homework 4 (due 4/29):
• Chapter 4: #1, 2, 3.
• Reading 3 (due 4/28): Skim Chapter 5 if you want. Read 6.1–6.4.
• Read section 8.1 to see some examples of linearization.
• Read the discussion of the nonlinear pendulum in section 9.2, which is split into two parts: first without friction, around figure 9.6, and then with friction, around figure 9.9.
• If you come across terms that you don’t recognize but that seem important, flip through the sections in between and read a little bit about them.
• Homework 5 (due 5/10):
• Chapter 6: #1 (choose two parts; also sketch the phase portraits), 2, 7, 12 (choose two parts), 13.
• Homework 6 (due 5/24):
• Chapter 8: #1.
• Chapter 9: #1 (choose three parts).
• Reading 5 (due 5/24): Sections 9.1, 11.1, 11.2.
• Homework 7 (due 5/31):
• Chapter 8: #5. Also sketch the nullclines and direction field.
• Chapter 9: #6. First sketch the phase portrait by finding nullclines and direction field, then equilibrium points and linearizations.
• Chapter 11: #1, 2.
• Which “Exploration’ section will you write up for your final project? You may choose anything from Chapter 7 on.
• Reading 6 (due 5/28): Sections 7.2, 17.1, 17.2.
• Midterm 2: June 5.
• Draft of final project: due June 7.
• Final project: Due June 11.