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