| Grids | k = Time Step |
| h = Space Step |
| 21 × 21 | 0.0001 |
| 1 |
| 61 × 61 | 0.0001 |
| 0.3333 |
| 121 × 121 | 0.0001 |
| 0.1667 |
| 301 × 301 | 0.0001 |
| 0.0667 |