Homework1_R1.1&1.2
Homework2_R2.10
Homework2_R2.11
Homework3_R3.6
Homework3_R3.12
Homework4_R4.4(3)
Homework5_R5.9(2)_Please see Lu's page. This is assigned to him
Homework5_R5.12
Homework6_R6.3
Homework6_R6.4(1.3)(1.4)
Homework6_R6.12
Homework7_R7.2
