Comparative Study on EDM Parameter Optimization for Adsorbed Si₃N₄–TiN using TOPSIS and GRA Coupled with TLBO Algorithm

Table 7

Mean similarity index of each parameter at entry level.

Parameter	Similarity index					Optimal level	Difference	Rank
	1	2	3	4	5
I	0.89806	0.89722	0.89843	0.90108	0.90175	5	0.00453	1
PON	0.89922	0.89657	0.90029	0.90001	0.89845	3	0.00373	2
POFF	0.90072	0.90118	0.89895	0.89835	0.89835	2	0.00283	4
DP	0.90008	0.89897	0.89856	0.89999	0.89994	1	0.00111	5
SV	0.89803	0.89787	0.90001	0.89955	0.90108	5	0.00321	3