Table 8 Comparison of absolute errors of approximated solutions utilizing approach III for \(\lambda =5\)

0.1

3.6 × 10⁻⁸

6.1 × 10⁻¹¹

–

–

0.2

1.4 × 10⁻⁸

8.3 × 10⁻¹¹

7.3 × 10⁻³

2.0 × 10⁻⁹

0.3

1.6 × 10⁻⁷

2.7 × 10⁻¹¹

–

–

0.4

2.7 × 10⁻⁷

2.1 × 10⁻¹¹

2.2 × 10⁻³

2.0 × 10⁻⁹

0.5

3.5 × 10⁻⁸

6.5 × 10⁻¹¹

–

–

0.6

6.6 × 10⁻⁸

7.4 × 10⁻¹¹

–

–

0.7

1.1 × 10⁻⁷

2.8 × 10⁻¹¹

–

–

0.8

5.9 × 10⁻⁷

1.7 × 10⁻¹¹

1.4 × 10⁻²

1.6 × 10⁻⁷