5 HW 5

1. Notes 18.2.1.3 and 18.2.1.4

2. Notes 18.2.1.6

3. Notes 18.3.1.1

4. Notes 18.3.1.2

5. Notes 18.2.3.5

6. Notes 18.3.3.5

7. Notes 18.3.4.2 Use the described procedure for $T=\pi$ to find an $n$ so that $n\pi$ is within a distance of no more than 1/116 from an integer.

8. 2.19 b, d, h. (DuChateau & Zachmann). In each case,
   • Show a picture of the different regions in the $x,y$-plane.
   • State in what regions would you have boundary value problems, and in what regions you would have initial value problems.
   • State in what regions singularities would be smoothed, and in what regions they would be propagated.