p = 10

[1, Algorithm 3.23]

算法3.1

n

iter

time (s)

Err

iter

time (s)

Err

50

7

0.415174

2.4052e−12

26

0.012588

5.0536e−11

100

7

5.895048

2.8359e−11

18

0.019039

9.0355e−11

200

7

53.993690

9.6016e−11

15

0.022489

2.0537e−11

500

-

-

-

12

0.108383

5.5093e−11

1000

-

-

-

13

0.645196

2.1937e−11

2000

-

-

-

10

2.830784

1.0495e−11