N + 1

10

20

40

80

160

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

7.113 × 10⁻³

1.767 × 10⁻³

4.435 × 10⁻⁴

1.124 × 10⁻⁴

2.966 × 10⁻⁵

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

3.621 × 10⁻³

9.051 × 10⁻⁴

2.271 × 10⁻⁴

5.738 × 10⁻⁵

1.497 × 10⁻⁵

Conv. rate

2.000

1.995

1.984

1.939