| Method | Exit point (m) |
| FEM [26] | Not presented |
| BEM [27] | 12.68 |
| MFS [28] | 12.88 |
| Analytical [31] | 12.707 |
| NEM-GA [25] | 12.99 |
| MFS-PSO [29] | 12.00 |
| MFS-PSO-TCF [30] | 12.682 |