Improved Laplacian Biogeography-Based Optimization Algorithm and Its Application to QAP

Table 5

Results of 4 algorithms on the 10 datasets.

Data	Best-known	Algorithm	Mean	Std
had12	1652	ILxBBO	1652	0
		LxBBO	1663.73	10.63
		IPSO	1656.87	6.80
		IFA	1652.87	2.44
had14	2724	ILxBBO	2724	0
		LxBBO	2736.6	13.29
		IPSO	2734.07	11.16
		IFA	2724.13	0.73
had16	3720	ILxBBO	3720	0
		LxBBO	3732.53	20.16
		IPSO	3726.87	17.93
		IFA	3720.93	1.01
scr12	31410	ILxBBO	31410	0
		LxBBO	33172.2	819.14
		IPSO	32544.07	732.37
		IFA	31633.4	360.20
scr15	51140	ILxBBO	51358.6	610.78
		LxBBO	54920.27	1810.98
		IPSO	55402.53	1177.87
		IFA	54398.27	1037.19
tal12a	224416	ILxBBO	224416	0
		LxBBO	240554.07	6099.48
		IPSO	235268.33	7034.64
		IFA	230336.13	4266.16
tal12b	39464925	ILxBBO	39464925	0
		LxBBO	40958448.6	1549935.98
		IPSO	41329078.33	1846814.90
		IFA	39552017	177161.72
tal15a	388214	ILxBBO	390914.73	1916.80
		LxBBO	404106.93	5864.4646
		IPSO	401980.2	6964.16
		IFA	397428.6	5088.67
chr12a	9552	ILxBBO	9644	191.22
		LxBBO	11111.73	884.95
		IPSO	10935.67	1078.83
		IFA	10065.07	383.58
chr12b	9742	ILxBBO	9742	0
		LxBBO	11781.07	2067.43
		IPSO	10591.13	969.71
		IFA	9917.53	387.15