Homework Assignment 3
Due Sept. 17, 1997

1. Problem 2-1 from Orfanidis.
2. Problem 2-3 from Orfanidis.
3. Problem 2-5 from Orfanidis.
4. Problem 3-1 from Orfanidis.
5. Problem 3-2 from Orfanidis.
6. Problem 3-3 (b), (d) from Orfanidis.
7. Problem 3-4 (a), (b) from Orfanidis.
8. Problem 3-13 (a), (b) from Orfanidis.
9. A discrete-time system has the impulse response
   h(n) = (1/2)ⁿ cos(pi n/2)
   Find a difference equation describing this discrete-time system.