Numerical matrices for the exercise sheet 6: Iterative methods to solve linear systems Matrix A: 60 -8 -4 8 -5 -9 -9 -8 -8 4 -1 -40 -5 5 -5 9 5 -4 4 1 4 1 -30 -6 -9 -6 7 7 -3 0 -1 -4 -3 -30 7 -7 -6 -7 7 8 -6 -8 4 -6 -30 -2 7 -7 -3 -6 -6 -3 -4 -2 9 30 -7 4 1 5 3 -3 -4 -6 -9 4 20 -4 8 -3 3 -7 5 -7 1 6 0 -40 -3 -5 3 -8 9 -4 1 -7 2 2 -70 -8 5 4 -6 3 -6 -2 6 -4 8 -20 vector b: -36 103 48 -18 -82 149 -43 -35 87 -76