Table 7 Greenness of coatings judgment matrix.

From: Coating matching recommendation based on improved fuzzy comprehensive evaluation and collaborative filtering algorithm

u5

C1

C2

C3

Weight

Consistency test

C1

1

1/2

1

0.25

λmax = 3

C2

2

1

2

0.5

CI = 0

C3

1

1/2

1

0.25

CR = 0 < 0.1

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