Table 14 Weighted comprehensive gray correlation degree from alternatives to ideal solutions.

From: Research on optimization of mining methods for broken ore bodies based on interval-valued pythagorean fuzzy sets and TOPSIS-GRA

 

A1

A2

A3

A4

\({\text{GRD}}_{i}^{+}\)

0.0849

0.0716

0.0768

0.0798

\({\text{GRD}}_{i}^{-}\)

0.0635

0.0770

0.0801

0.0665

Back to article page