Err for k = 4

Err for k = 5

Case I

Case II

Case I

Case II

Case III

0.1

1.148666e−10

1.117957e−10

6.959988e−12

6.973755e−12

6.980638e−12

0.2

2.304048e−10

2.361691e−10

1.471068e−11

1.468337e−11

1.470468e−11

0.3

4.070080e−10

4.174734e−10

2.956990e−11

2.969025e−11

2.974887e−11

0.4

5.871796e−10

5.994316e−10

6.953504e−11

7.023626e−11

7.063172e−11

0.5

9.923316e−10

9.767278e−10

1.086504e−11

1.177911e−10

1.174840e−10

0.6

1.414456e−09

1.357228e−09

2.316121e−10

2.327660e−10

2.347267e−10

0.7

2.664834e−09

2.329491e−09

3.954923e−10

3.931862e−10

3.991147e−10

0.8

4.005613e−09

3.317707e−09

5.231535e−10

5.297960e−10

5.332230e−10

0.9

8.804608e−09

6.384651e−09

1.076466e−09

1.115101e−09

1.138269e−09

1.0

1.414628e−08

9.537446e−09

1.379378e−09

1.882982e−09

1.864998e−09