Research Article
Prediction of Optimal Design and Deflection of Space Structures Using Neural Networks
Table 1
Summary of errors of RBF and GRNN in approximation of optimal designs.
| Cross-sectional area | RBF | GRNN | Max. error | Mean of errors | Max. error | Mean of errors |
| 1 | 32.8501 | 3.9054 | 8.8182 | 1.6575 | 2 | 30.0348 | 8.7955 | 22.8185 | 5.2312 | 3 | 18.3493 | 4.1153 | 15.6306 | 2.8343 | 4 | 36.8009 | 5.5074 | 10.8515 | 2.7220 | 5 | 15.6441 | 3.5933 | 13.4325 | 2.4476 | 6 | 24.8060 | 2.4974 | 6.1103 | 0.9992 | 7 | 33.3249 | 9.2145 | 20.4911 | 4.9154 | 8 | 18.7265 | 6.1936 | 33.8892 | 4.7607 | 9 | 26.1423 | 5.6690 | 16.1963 | 3.6055 | 10 | 29.7808 | 3.8814 | 10.6282 | 2.1702 | 11 | 21.9747 | 3.5231 | 11.3200 | 2.3858 | 12 | 29.3597 | 2.6233 | 2.6899 | 0.4795 | 13 | 26.4572 | 6.4117 | 28.6768 | 4.1939 | 14 | 23.7474 | 6.6549 | 37.5173 | 6.1356 | 15 | 29.8091 | 5.7633 | 18.2707 | 3.5529 | 16 | 32.8732 | 5.3975 | 17.5221 | 2.7931 | 17 | 21.5389 | 3.7532 | 13.8589 | 2.4312 | 18 | 29.6637 | 2.7991 | 4.4832 | 0.8361 |
| Avr. | 26.7714 | 5.0166 | 16.2892 | 3.0185 |
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