Welcome to Partial Differential Equations! For course info and policies, please see the syllabus. For grades, log into Moodle. If you need help or have questions, please contact Prof. Wright

**Prof. Wright's drop-in hours:** typically Mon. 1–2pm, Tues. 1:30–2:30pm, Wed. 11am–noon, Thurs. 10–11am, and Fri. 9–10am in RMS 405. Check Google Calendar for up-to-date availability, or email to schedule an appointment.

**Homework help sessions:** Tuesdays 7:00–8:30pm in Tomson 188

Top

Today

Bottom

Thursday

September 7

September 7

Introduction and ODE review

Do the following before next class:

- Complete the Introductory Survey.
- Read the Course Syllabus and Chapter 1 in our text (pages 1–13). Complete the Reading Questions and bring them to class on Tuesday.
- Watch But what is a partial differential equation? by 3Blue1Brown. Optionally, also watch Differential equations, a tourist's guide.
- Begin Homework 1, due next Thursday.

Tuesday

September 12

September 12

Uniform transport equation

Bonus video: Paths to Math: John Urschel

Do the following before next class:

- Read Sections 2.1 and 2.2 in the text. Complete the Reading Questions and bring them to class on Thursday.
- Finish Homework 1 (due 5pm Thursday). You may want to use the Homework 1 LaTeX template on Overleaf.

Do the following before next class:

- Read Section 2.4 in the text. There is a lot in this section, but focus on grasping the big ideas. Complete the Reading Questions and bring them to class on Tuesday.
- Begin Homework 2, due next Thursday.

Tuesday

September 19

September 19

Wave equation: d'Alembert's solution

Bonus video: Eugenia Cheng on The Late Show

Do the following before next class:

- Read Section 3.1 in the text. Complete the Reading Questions and bring them to class on Thursday.
- Finish Homework 2 (due 5pm Thursday). You may want to use the Homework 2 LaTeX template on Overleaf.

Do the following before next class:

- Watch the video But what is a Fourier series? From heat flow to drawing with circles by 3Blue1Brown.
- Begin Homework 3, due next Thursday.

Tuesday

September 26

September 26

Eigenvalues and Eigenfunctions

Bonus: Why is Mathematics Useful — Robert Ghrist, and Applied Dynamical Systems Vol. 1

Do the following before next class:

- Read pages 72–78 from Section 3.2 in the text. Complete the Reading Questions and bring them to class on Thursday.
- Finish Homework 3 (due 5pm Thursday). You may want to use the Homework 3 LaTeX template on Overleaf.

Do the following before next class:

- Read pages 79–91 from Section 3.2 in the text. Complete the Reading Questions and bring them to class on Tuesday.
- Begin Homework 4, due next Thursday.

Tuesday

October 3

October 3

Fourier series

Bonus video: Moon Duchin: "Political Geometry" and DistrictR

Do the following before next class:

- Read Sections 3.3 and 3.4 in the text. Complete the Reading Questions and bring them to class on Thursday.
- Finish Homework 4, due next Thursday. You may want to use the Homework 4 LaTeX template on Overleaf.

Do the following before next class:

- to be announced...

Tuesday

October 10

October 10

Separation of variables

Do the following before next class:

- to be announced...

Thursday

October 12

October 12

Separation of variables

Take-home exam

due today

due today

Fall break! No class Tuesday, October 17.

Do the following before next class:

- to be announced...

Thursday

October 19

October 19

Separation of variables

Do the following before next class:

- to be announced...

Tuesday

October 24

October 24

Separation of variables

Do the following before next class:

- to be announced...

Thursday

October 26

October 26

Separation of variables

Homework 5

due today

due today

Do the following before next class:

- to be announced...

Tuesday

October 31

October 31

Finite differences

Do the following before next class:

- to be announced...

Thursday

November 2

November 2

Finite differences

Homework 6

due today

due today

Do the following before next class:

- to be announced...

Tuesday

November 7

November 7

Finite differences

Do the following before next class:

- to be announced...

Thursday

November 9

November 9

Finite differences

Homework 7

due today

due today

Do the following before next class:

- to be announced...

Tuesday

November 14

November 14

Generalized functions

Do the following before next class:

- to be announced

Thursday

November 16

November 16

Generalized functions

Take-home exam

due today

due today

Do the following before next class:

- to be announced..

Tuesday

November 21

November 21

Green's functions

Thanksgiving break! No class Thursday, Nov. 23.

Do the following before next class:

- to be announced..

Tuesday

November 28

November 28

Green's functions

Do the following before next class:

- to be announced...

Thursday

November 30

November 30

Green's functions

Do the following before next class:

- to be announced...

Tuesday

December 5

December 5

to be determined

Do the following before next class:

- to be announced...

Thursday

December 7

December 7

to be determined

Do the following before next class:

- to be announced...

Tuesday

December 12

December 12

to be determined

Finish your final project.

Saturday

December 16

December 16

Project presentations

1:00 – 3:00pm

1:00 – 3:00pm