q

x0

0.5

1

1.5

2

2.386294361

2.5

0.68

3

3

2

3

3

3

Absolute error

3.33067E−16

0

0

0

0

0.7

3

2

2

2

3

3

Absolute error

1.11022E−16

2.74411E−10

6.18072E−12

2.31052E−11

0

0

0.73

3

3

3

3

3

3

Absolute error

9.97646E−13

2.53131E−14

1.11022E−16

0

2.32037E−14

6.9722E−14

0.76

3

3

3

3

3

3

Absolute error

1.01667E−10

2.8485E−12

5.55112E−16

5.10703E−15

2.43627E−12

7.55507E−12