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 72°C heat to the field 5x8
What is the temperature (rounded to whole numbers) in the field 1x5 after 121 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 | 13 | 15 | 16 | 17 | 16 | 15 | 11 | 6 |
| 6 | 11 | 14 | 15 | 18 | 20 | 19 | 17 | 12 | 6 |
| 6 | 10 | 13 | 17 | 23 | 30 | 26 | 21 | 14 | 7 |
| 5 | 9 | 13 | 21 | 35 | 55 | 40 | 26 | 15 | 7 |
| 4 | 7 | 12 | 23 | 51 | 122 | 54 | 27 | 14 | 6 |
| 2 | 4 | 7 | 14 | 27 | 44 | 28 | 16 | 9 | 4 |
Temperature in field 1x5 after 121 iterations:
