Research Article
Research on the Prediction of the Water Demand of Construction Engineering Based on the BP Neural Network
Table 4
Precision level and calculation termination of PSO at the 1000th iteration.
| Iteration (n) | Fitness (n − 1) | Fitness (n) | Fitness (n) − Fitness (n − 1) | Result |
| 498 | 1.488344 | 1.488344 | 0 < 0.00001 | Continue | 499 | 1.488344 | 1.455848356 | 0.032495395 > 0.0001 | Continue | 500 | 1.455848356 | 1.455848356 | 0 < 0.0001 | Continue | 1000 | 1.455848 | 1.455848 | 0 < 0.0001 | Stop |
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