The Kershaw matrix A: row 0: (0, 3) (1, -2) (3, 2) row 1: (0, -2) (1, 3) (2, -2) row 2: (1, -2) (2, 3) (3, -2) row 3: (0, 2) (2, -2) (3, 3) Pivots: 0.287253 0.428773 0.566201 14.829 Convergence in 4 iterations. OptionTable: -options_left There are no unused options. The Kershaw matrix A: row 0: (0, 3) (1, -2) (3, 2) row 1: (0, -2) (1, 3) (2, -2) row 2: (1, -2) (2, 3) (3, -2) row 3: (0, 2) (2, -2) (3, 3) Pivots: 0.287253 0.428773 0.566201 14.829 Convergence in 4 iterations. The Kershaw matrix A: row 0: (0, 3) (1, -2) (3, 2) row 1: (0, -2) (1, 3) (2, -2) row 2: (1, -2) (2, 3) (3, -2) row 3: (0, 2) (2, -2) (3, 3) Pivots: 0.287253 0.428773 0.566201 14.829 Convergence in 4 iterations. The Kershaw matrix A: row 0: (0, 3) (1, -2) (3, 2) row 1: (0, -2) (1, 3) (2, -2) row 2: (1, -2) (2, 3) (3, -2) row 3: (0, 2) (2, -2) (3, 3) Pivots: 0.287253 0.428773 0.566201 14.829 Convergence in 4 iterations.