# No. of a problem 2 # A = Matrix: 5 by 3 row 0: 3 -1 2 row 1: 2 -1 1.2 row 2: 2.5 1 -1.5 row 3: 3 1 1 row 4: -1 1 -2.2 # b = Vector: dim: 5 5 3 2 4 6
