Research Article
Predicting the Ultimate Bearing Capacity of Bolts with an Optimized Function Model
Table 4
Stability of each model for example 1.
| Model | SSPEA1 | SPEA1 | SSPEA2 | SPEA2 |
| AH | 5.3 × 10−3 | 2.42 × 10−2 | 2.04 × 10−2 | 4.76 × 10−2 | CH | 6.8 × 10−3 | 2.74 × 10−2 | 2.5 × 10−2 | 5.28 × 10−2 | IE | 7.9 × 10−3 | 2.96 × 10−2 | 1.98 × 10−2 | 0.15 | IEPF | 8.1 × 10−3 | 3.01 × 10−2 | 4.7 × 10−3 | 2.27 × 10−2 |
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