| Rajagopal et al. [16] | Kuo [17] | Ishak et al. [18] | K. Jafar [8] | Present result |
0.0 | - | 0.469600 | 0.4696 | 0.4696 | 0.46960075 |
0.1 | 0.587035 | 0.587880 | 0.5870 | 0.5871 | 0.5870358 |
0.3 | 0.774755 | 0.775524 | 0.7748 | 0.7748 | 0.7747554 |
0.5 | 0.927680 | 0.927905 | 0.9277 | 0.9277 | 0.9276813 |
1.0 | 1.232585 | 1.231289 | 1.2326 | 1.2326 | 1.232590 |