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. 2022 May 5:1–45. Online ahead of print. doi: 10.1007/s10479-022-04713-4

Table 6.

The orthogonal array L9 for VNS, GWO, and MGWO

L9 A B C
1 1 1 1
2 1 2 2
3 1 3 3
4 2 1 2
5 2 2 3
6 2 3 1
7 3 1 3
8 3 2 1
9 3 3 2