Parameter Waini et al. [43] Present Results
\(\Pr\) \(\left(-\theta^{{}^{\prime}}\left(0\right)\right)\) \(\left(-\theta^{{}^{\prime}}\left(0\right)\right)\)
2.0 6.13 7.0 20.0 0.911353 1.759682 1.895400 3.353902 0.911341 1.759676 1.895397 3.353915