N + 1

10

20

40

80

160

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

6.874 × 10⁻³

1.709 × 10⁻³

4.309 × 10⁻⁴

1.111 × 10⁻⁴

3.116 × 10⁻⁵

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

3.493 × 10⁻³

8.732 × 10⁻⁴

2.199 × 10⁻⁴

5.638 × 10⁻⁵

1.554 × 10⁻⁵

Conv. rate

2.000

1.989

1.964

1.859