N

M = 4

M = 8

M = 12

M = 16

20

3.1136e−04

1.8268e−08

1.8769e−07

6.7240e−04

25

3.8403e−04

1.9285e−08

1.9873e−14

1.0750e−08

30

4.1052e−04

1.9436e−08

1.9554e−13

8.7985e−15

35

4.1779e−04

1.8569e−08

2.0101e−13

1.1102e−15