Table 18.

Grey coefficients for NIS

Schemes	${\mathbb{C}}_1$	${\mathbb{C}}_2$	${\mathbb{C}}_3$	${\mathbb{C}}_4$	${\mathbb{C}}_5$	${\mathbb{C}}_6$	${\mathbb{C}}_7$	${\mathbb{C}}_8$
1	(0.399)	(0.426)	(0.843)	(0.401)	(1.000)	(0.707)	(0.407)	(0.730)
2	(0.333)	(0.688)	(0.519)	(0.386)	(0.519)	(0.333)	(0.656)	(0.688)
3	(0.619)	(0.337)	(0.843)	(0.401)	(1.000)	(0.399)	(0.656)	(0.337)
4	(1.000)	(0.348)	(0.519)	(0.514)	(0.407)	(0.707)	(1.000)	(0.514)
5	(0.323)	(0.730)	(0.428)	(0.843)	(0.656)	(1.000)	(0.519)	(0.348)