Table 15.

Normalization, gray relational coefficient, gray relational grade, and order of output parameters.

Experiment	Normalization				Gray relational coefficient				$\mathit{G}\mathit{R}\mathit{G}$	Order
	${\mathit{\eta }}_{\mathit{t}\mathit{h}}$	${\mathit{\eta }}_{\mathit{e}\mathit{x}}$	${\dot{\mathit{C}}}_{\mathit{s}\mathit{y}\mathit{s}}$	${\mathit{C}}_{\mathit{e}\mathit{l}}$	${\mathit{\eta }}_{\mathit{t}\mathit{h}}$	${\mathit{\eta }}_{\mathit{e}\mathit{x}}$	${\dot{\mathit{C}}}_{\mathit{s}\mathit{i}\mathit{s}}$	${\mathit{C}}_{\mathit{e}\mathit{l}}$
1	0.21	0.48	0.84	0.68	0.39	0.49	0.75	0.61	0.55	8
2	0.54	0.57	0.62	0.87	0.52	0.54	0.57	0.79	0.58	5
3	0.72	0.58	0.51	0.95	0.64	0.54	0.51	0.91	0.62	3
4	0.36	0.69	0.68	0.79	0.44	0.61	0.61	0.71	0.57	6
5	0.71	0.79	0.58	0.95	0.63	0.71	0.54	0.90	0.67	2
6	0.37	0.18	0.52	0.59	0.44	0.38	0.51	0.55	0.46	15
7	0.06	0.22	0.89	0.49	0.35	0.39	0.82	0.49	0.51	11
8	0.40	0.32	0.66	0.63	0.45	0.42	0.59	0.57	0.50	12
9	1.00	1.00	0.28	1.00	1.00	1.00	0.41	1.00	0.84	1
10	0.12	0.32	1.00	0.44	0.36	0.42	1.00	0.47	0.57	7
11	0.45	0.40	0.37	0.63	0.48	0.45	0.44	0.58	0.48	14
12	0.53	0.41	0.18	0.46	0.52	0.46	0.38	0.48	0.46	16
13	0.27	0.53	0.68	0.47	0.41	0.51	0.61	0.49	0.50	13
14	0.13	0.00	0.34	0.00	0.36	0.33	0.43	0.33	0.37	18
15	0.69	0.60	0.00	0.59	0.62	0.55	0.33	0.55	0.52	10
16	0.00	0.12	0.99	0.22	0.33	0.36	0.97	0.39	0.52	9
17	0.77	0.90	0.18	0.71	0.68	0.83	0.38	0.63	0.62	4
18	0.42	0.20	0.20	0.30	0.46	0.38	0.38	0.42	0.42	17