Since we did not cover the wave equation yesterday, I have updated Homework 11 by removing problem 3. The updated version is here. The original problem 3 will probably resurface later, perhaps on the final homework, and if not then as a practice problem. I have also fixed a couple errors in problem 2, by adding initial conditions and then changing the forcing term slightly. (If anyone has already done a lot of work on the original problem 2, you are welcome to submit a solution to the original version instead of the updated one.) I apologise for the mistakes.

I will post lecture notes and practice problems for this week soon, by tonight if I can, and by tomorrow evening at the latest.

Let me know if you have any questions!

Nathan