Table 4 Weight calculation results.
From: Optimization of ore production scheduling strategy using NSGA-II-GRA in open-pit mining
Indicators | \(\alpha _i\) | \(\beta _i\) | \(W_i\) |
|---|---|---|---|
Extraction cost | 0.317 | 0.147 | 0.281 |
Market value | 0.317 | 0.173 | 0.329 |
Ore output | 0.053 | 0.157 | 0.050 |
Calcium oxide grade | 0.130 | 0.187 | 0.146 |
Magnesium oxide grade | 0.130 | 0.186 | 0.146 |
Production target achievement rate | 0.053 | 0.150 | 0.048 |