chord method, m=10: f(x)=x^2-2 n p(n-2) p(n-1) p(n) aitkin 2 3.00000 2.30000 1.97100 1.67925 3 2.30000 1.97100 1.78252 1.52969 4 1.97100 1.78252 1.66478 1.46885 5 1.78252 1.66478 1.58763 1.44098 6 1.66478 1.58763 1.53557 1.42757 7 1.58763 1.53557 1.49977 1.42095 8 1.53557 1.49977 1.47484 1.41763 9 1.49977 1.47484 1.45733 1.41596 10 1.47484 1.45733 1.44495 1.41511 11 1.45733 1.44495 1.43616 1.41467 12 1.44495 1.43616 1.42990 1.41445 13 1.43616 1.42990 1.42544 1.41433 14 1.42990 1.42544 1.42225 1.41428 15 1.42544 1.42225 1.41997 1.41425 steffanson 2 3.00000 2.30000 1.97100 1.67925 4 1.67925 1.59726 1.54214 1.42902 6 1.42902 1.42481 1.42180 1.41427 8 1.41427 1.41425 1.41424 1.41421