Research Article
Mixture Ratio Design Optimization of Coal Gangue-Based Geopolymer Concrete Based on Modified Gravitational Search Algorithm
Table 2
Comparison of optimized results from standard testing functions.
| Functions | Statistical data | TGSA | CGSA (L) | CGSA (C) |
| | Mean | 3.301E − 16 | 2.452E − 19 | 2.452E − 21 | Optimal value | 2.026E − 16 | 1.103E − 19 | 1.103E − 21 | Standard deviation | 1.411E − 16 | 2.877E − 19 | 2.877E − 21 |
| | Mean | 26.433 | 19.751 | 12.342 | Optimal value | 25.302 | 8.459 | 5.221 | Standard deviation | 16.453 | 1.246 | 0.678 |
| | Mean | 4.427 | 2.235 | 1.055 | Optimal value | 3.012 | 0.043 | 0.024 | Standard deviation | 1.254 | 0.848 | 0.457 |
| | Mean | 17.842 | 10.366 | 8.822 | Optimal value | 13.474 | 2.478 | 1.175 | Standard deviation | 3.675 | 1.551 | 1.046 |
| | Mean | 5.765 | 0.137 | 0.0975 | Optimal value | 4.038 | 0.0839 | 0.0622 | Standard deviation | 2.654 | 0.257 | 0.164 |
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