N

$FGM{C}_{1-0-2}$

收敛阶

$FGM{C}_{2-0-3}$

收敛阶

$FGM{C}_{3-0-3}$

收敛阶

N = 8

5.05e−00

9.18e−01

1.92e−01

N = 16

2.63e−01

4.26

1.41e−02

6.03

2.83e−03

6.08

N = 24

4.12e−02

4.57

1.07e−03

6.36

1.54e−04

7.18

N = 32

1.07e−02

4.69

1.63e−04

6.54

1.81e−05

7.44

N = 40

3.69e−03

4.76

3.70e−05

6.64

3.35e−06

7.57

N = 48

1.54e−03

4.81

1.09e−05

6.71

8.30e−07

7.65

N = 56

7.29e−04

4.84

3.85e−06

6.75

2.53e−07

7.71

N = 64

3.81e−04

4.86

1.55e−06

6.79

8.97e−08

7.77

N = 72

2.15e−04

4.88

6.97e−07

6.81

3.63e−08

7.67

收敛阶

5.00

7.00

8.00