If you have any doubt in your solution, come and see me.

HW 1 solutions due Oct 26:
problem 1: Duan
                 2: Yirong
                 3: Soheil
                 4: Satik
                 5: Rohit

HW 2 solutions due 11/2:
Problem 16-1: Alessandro
                 16-2: Joseph
                 16-3: Qing-Ying
                  16-4: Deming
                 16-5: Edward