*NOTE: Seventh edition numbers in [   ].

HW#1     (Due Sept 20) 
Ex. 1.1 # 72, 89 , 90 (explain in terms of a, b, c, d)                                                                                               [70, 87 , 88]
Ex. 1.2 # 20, 22, 24, 31 (use Gaussian Elimination), 34 (use Gauss-Jordan Elimination), 44, 58, 70(b)        [20, 22, 24, 31, 34, 42, 56, 67(b)]
Ex. 1.3 #  18, 21, 26, 40  (use calculator/MAPLE if necessary)                                                                         [18, 22, 30, 32]  use MAPLE if necessary

HW#2     (Due Sept 27)
Ex. 2.1 # 14, 28, 54, 68, 76, 77                                                                                                                               [16, 30, 54, 68, 76, 77 ]
Ex. 2.2 # 29, 45, 54, 66(b), 68(4), 70                                                                                                                     [27, 43, 54, 62(b), 64(4), 66]

HW#2.5
Ex. 2.3 # 14, 19, 44, 64, 68, 76(c)                                                                                                                           [14, 19, 44, 66, 70, 76(c)]

HW#3     (Due Oct 18)
Ex. 2.4 # 11, 22, 24, 33, 46, 49, 50, 54, 56, 59                                                                                                        [ 11, 20, 22, 31, 44, 49, 50, 54, 56, 59]
Ex. 2.5 # 12, 26                                                                                                                                                        [6, not in 7th edition] 
Ex. 2.6 # 6, 26                                                                                                                                                          [Ex. 2.5 # 18, 38]
Ex. 3.1 # 27, 42, 52                                                                                                                                                  [27, 42, 52]

   Happy Thanksgiving !!!  

HW#4     (Due Oct 25)
Ex. 3.2 # 32, 39, 40, 42, 48                                                                                                                                       [32, 39, 40, 42, 48]
Ex. 3.3 # 16, 34, 58, 60, 66 (by induction), 80, 83, 84                                                                                           [14, 34, 52, 58, 64 (by induction), 77, 80, 81]
Ex. 3.4 # 4, 20, 66                                                                                                                                                      [4, 28, 12 ]
Ex. 7.1 # 41 (find eigenvectors also)                                                                                                                     [39 (find eigenvectors also)]        

HW#4.5
Ex. 4.2 # 15, 25, 32, 42(a), 39                                                                                                                                    [15, 25, 30, 36(a), 38  ]

HW#5     (Due Nov 8)
Ex. 4.2 # 37, 51, 52                                                                                                                                                     [43, 47, 48]
Ex. 4.3 # 18, 42, 54, 57, 58                                                                                                                                         [18, 42, 54, 57, 58]
Ex. 4.4 # 26, 51, 58, 69, 71, 73                                                                                                                                   [ 28, 47, 54, 65, 67, 69]

HW#6     (Due Nov 22)
Ex. 4.5 # 48, 53, 66, 78, 81                                                                                                                                         [42, 47, 58, 70, 73]
Ex. 4.7 # 10, 14, 40(b)(d), 47                                                                                                                                     [10, 14, 38(b)(d), 44]
(use MAPLE if necessary)

HW#6.5
Ex. 4.6 # 11, 20, 48                                                                                                                                                     [9, 18, 46]
                  

HW#6.75
Ex. 5.1 # 15, 21, 43, 57                                                                                                                                               [15, 21, 41, 55]
Ex. 5.2 # 7, 33, 45, 79, 90                                                                                                                                           [7, 33, 45, 79, 90]
Ex. 5.3 # 11, 23                                                                                                                                                           [13, 25]
Ex. 6.1 # 11, 22, 53, 56, 79                                                                                                                                         [11, 22, 53, 56, 79]
Ex. 6.3 # 19, 37, 44                                                                                                                                                     [19, 37, 44 ]