N + 1

10

20

40

80

160

$\underset{n}{\max }{\Vert e^n\Vert }_{\infty }$

6.540 × 10⁻³

1.628 × 10⁻³

4.120 × 10⁻⁴

1.078 × 10⁻⁴

3.178 × 10⁻⁵

$\underset{n}{\max }{\Vert e^n\Vert }_1$

3.307 × 10⁻³

8.282 × 10⁻⁴

2.091 × 10⁻⁴

5.429 × 10⁻⁵

1.567 × 10⁻⁵

Conv. rate

1.997

1.986

1.946

1.792