q

x₀

−0.3455

−0.3

−0.1

0.1

0.3

0.458

1

3.1415

1

1

1

1

1

1

1

Absolute errors

4.04578E−10

4.04076E−10

3.95939E−10

4.21089E−10

4.12902E−10

4.11561E−10

4.10339E−10

3.141585

1

1

1

1

1

1

1

Absolute errors

4.10203E−10

4.10203E−10

4.10198E−10

4.10209E−10

4.10208E−10

4.10208E−10

4.10207E−10

3.1417

1

1

1

1

1

1

1

Absolute errors

4.18962E−10

4.19741E−10

4.32396E−10

4.06015E−10

3.93276E−10

4.08099E−10

4.1E−10