Level 29
You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 18°C. We apply continuously 71°C heat to the field 2x8
What is the temperature (rounded to whole numbers) in the field 7x1 after 129 iterations according to the Gauss-Seidel iteration
Field in the beginning
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
Field after 4 iterations (rounded after 4th iteration)
| 3 | 4 | 5 | 6 | 6 | 6 | 6 | 5 | 4 | 2 |
| 4 | 7 | 9 | 10 | 10 | 11 | 10 | 9 | 7 | 4 |
| 5 | 9 | 11 | 13 | 13 | 14 | 13 | 12 | 9 | 5 |
| 6 | 10 | 13 | 14 | 15 | 15 | 15 | 14 | 10 | 5 |
| 6 | 10 | 14 | 15 | 16 | 17 | 16 | 15 | 11 | 6 |
| 6 | 12 | 17 | 18 | 18 | 18 | 17 | 15 | 11 | 6 |
| 8 | 17 | 26 | 25 | 22 | 20 | 18 | 15 | 11 | 6 |
| 12 | 30 | 52 | 38 | 27 | 21 | 17 | 14 | 10 | 5 |
| 16 | 46 | 118 | 53 | 29 | 19 | 14 | 11 | 7 | 4 |
| 10 | 24 | 42 | 28 | 17 | 11 | 8 | 6 | 4 | 2 |
Temperature in field 7x1 after 129 iterations:
