Table 3 Comparison of the absolute error with methods in [17–19] for Example 1

0.125

2.56e-7

8.36e-5

3.05e-5

8.16e-6

2.00e-3

1.73e-4

0.250

1.06e-6

1.59e-4

5.80e-5

1.73e-5

4.08e-3

5.35e-4

0.375

2.19e-6

2.09e-4

7.31e-5

2.70e-5

5.83e-3

7.98e-4

0.500

5.03e-6

2.01e-4

6.24e-5

3.56e-5

6.85e-3

6.74e-4

0.625

8.82e-6

1.34e-4

1.60e-5

4.06e-5

6.81e-3

9.50e-5

0.750

1.11e-5

1.12e-5

6.18e-5

3.86e-5

5.57e-3

1.78e-3

0.875

1.27e-5

7.81e-5

1.51e-4

2.60e-5

3.26e-3

3.42e-3