Research Article
Optimum Design of Fully Composite, Unstiffened, Built-Up, Hybrid Steel Girder Using GRG, NLR, and ANN Techniques
Table 5
Connection weights for the developed ANN.
| | | Hidden layer 1 | H(1 : 1) | H(1 : 2) | H(1 : 3) | H(1 : 4) | H(1 : 5) | H(1 : 6) | H(1 : 7) | H(1 : 8) | H(1 : 9) | H(1 : 10) |
| Input layer | (Bias) | 1.04 | −0.90 | −0.91 | 0.38 | −0.43 | 0.89 | 0.61 | 0.62 | 0.32 | 0.31 | η | 0.00 | −0.04 | −0.02 | 0.09 | −0.01 | −0.01 | −0.03 | 0.31 | −0.02 | −0.15 | α | 0.14 | −0.55 | −0.81 | −0.12 | −0.03 | −0.03 | −0.09 | 0.09 | −0.59 | −0.66 | Fcu | −0.01 | 0.06 | 0.01 | −0.05 | −0.10 | 0.24 | −0.18 | 0.13 | 0.32 | 0.14 | Fyf | 0.68 | 0.49 | −0.30 | −0.13 | 0.00 | 0.07 | 0.32 | 0.06 | 0.07 | −0.28 | Fyw | −0.15 | −0.01 | 0.19 | 0.03 | 0.28 | 0.06 | 0.11 | 0.05 | 0.31 | −0.05 | M | −0.21 | −0.15 | 0.11 | 0.58 | −0.55 | 0.78 | 0.62 | −0.46 | −0.27 | −0.05 | | | Hidden layer 2 | | | | | | | | H(2 : 1) | H(2 : 2) | H(2 : 3) | H(2 : 4) | H(2 : 5) | | | | | | Hidden layer 1 | (Bias) | 0.83 | −0.33 | 0.78 | 0.22 | −0.69 | | | | | | H(1 : 1) | 0.10 | 0.35 | 1.03 | −0.01 | 0.57 | | | | | | H(1 : 2) | 0.18 | 0.61 | 0.93 | −1.01 | 0.49 | | | | | | H(1 : 3) | 0.84 | 0.29 | −0.23 | −0.53 | 0.20 | | | | | | H(1 : 4) | −0.25 | −0.76 | −0.39 | −0.55 | 0.30 | | | | | | H(1 : 5) | −0.14 | 0.96 | 0.20 | −0.05 | −0.40 | | | | | | H(1 : 6) | −0.39 | −1.25 | −0.19 | 0.11 | −0.04 | | | | | | H(1 : 7) | −0.03 | −0.95 | 0.20 | −0.36 | 0.56 | | | | | | H(1 : 8) | 0.52 | 0.10 | −0.11 | 0.06 | 0.27 | | | | | | H(1 : 9) | −0.18 | 0.37 | 0.19 | 0.16 | 0.17 | | | | | | H(1 : 10) | −0.05 | −0.17 | 0.07 | 0.58 | 0.36 | | | | | | | | Output layer | | | | | | | | Hs | Asc | Asw | Ast | ts | | | | | | Hidden layer 2 | (Bias) | −0.20 | −0.63 | −0.39 | −0.58 | −1.06 | | | | | | H(2 : 1) | 0.20 | −1.15 | 0.17 | −1.00 | −0.24 | | | | | | H(2 : 2) | −1.02 | −1.05 | −1.32 | −0.74 | −0.74 | | | | | | H(2 : 3) | −1.18 | −0.77 | −1.27 | −0.80 | 0.53 | | | | | | H(2 : 4) | −0.33 | −0.55 | −0.82 | 0.48 | −1.32 | | | | | | H(2 : 5) | 0.07 | −0.98 | 0.09 | 0.29 | 1.42 | | | | | |
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