Table 8.

Comparison results of RZOA and D-GWO on TSP instances.

Problem	Optimal	Algorithm	Best	Average	SD	PDB (%)	PDA (%)	Rank
att-48	33,522	RZOA	33,522	33,627	47.77	0.00	0.31	2
		D-GWO	33,523	33,600	-	0.00	0.23	1
pr-76	108,159	RZOA	108,159	108,474	85.20	0.00	0.29	1
		D-GWO	108,159	108,900	-	0.00	0.69	2
kro-B100	22,141	RZOA	22,158	22,269	79.30	0.08	0.58	1
		D-GWO	22,159	22,445	-	0.08	1.37	2
kro-C100	20,749	RZOA	20,770	20,838	42.50	0.10	0.43	1
		D-GWO	20,749	21,078	-	0.00	1.59	2
kro-E100	22,068	RZOA	22,079	22,151	49.10	0.05	0.38	1
		D-GWO	22,131	22,410	-	0.29	1.55	2
lin-105	14,379	RZOA	14,393	14,453	18.87	0.10	0.51	1
		D-GWO	14,382	14,520	-	0.02	0.98	2
pr-107	44,303	RZOA	44,329	44,452	42.62	0.06	0.34	1
		D-GWO	44,303	44,685	-	0.00	0.86	2
pr-124	59,030	RZOA	59,110	59,298	57.32	0.14	0.45	1
		D-GWO	59,030	59,391	-	0.00	0.61	2
pr-136	96,772	RZOA	96,890	97,900	459.08	0.12	1.17	1
		D-GWO	97,826	99,310	-	1.09	2.62	2
pr-144	58,537	RZOA	58,621	59,057	236.48	0.14	0.89	2
		D-GWO	58,537	58,600	-	0.00	0.11	1
pr-226	80,369	RZOA	80,638	81,540	346.96	0.33	1.46	2
		D-GWO	80,648	81,136	-	0.34	0.95	1
pr-439	107,217	RZOA	107,985	109,937	1010.35	0.72	2.54	1
		D-GWO	110,415	112,850	-	2.98	5.25	2
pr-1002	259,047	RZOA	262,358	273,645	16985.31	1.28	5.64	2
		D-GWO	264,922	267,713	-	2.27	3.35	1