Decomposition-Based Multiobjective Optimization with Invasive Weed Colonies

Table 2

S-metric comparison results of MOEA/D-IWO, NSGA-II, and MOEA/D on F1-F9.

Problems		MOEA/D-IWO	MOEA/D	ss	NSGA-II	ss
F1	mean	0.0026	0.0035	+	0.0017	-
	min	0.0025	0.0033		0.0016
	std	1.0811E-04	1.3405E-04		1.1012E-04
F2	mean	0.0017	0.0124	+	0.0058	+
	min	9.5090E-04	0.0034		0.0043
	std	4.8412E-04	0.0249		0.0021
F3	mean	0.0029	0.0081	+	0.0083	+
	min	0.0024	0.0038		0.0037
	std	0.0015	0.0061		0.0091
F4	mean	0.0028	0.0324	+	0.0059	+
	min	0.0025	0.0056		0.0038
	std	4.0495E-04	0.0210		0.0027
F5	mean	0.0025	0.0064	+	0.0049	+
	min	0.0023	0.0037		0.0030
	std	1.2618E-04	0.0048		0.0016
F6	mean	0.0275	0.0401	+	0.0698	+
	min	0.0267	0.0323		0.0294
	std	5.0778E-04	0.0082		0.0584
F7	mean	0.0111	0.0320	+	0.0124	+
	min	0.0034	0.0031		0.0020
	std	0.0057	0.0345		0.0069
F8	mean	0.0239	0.0263	+	0.0345	+
	min	0.0052	5.7510E-04		7.1083E-04
	std	0.0178	0.0256		0.0385
F9	mean	0.0029	0.0085	+	0.0108	+
	min	0.0015	0.0030		0.0026
	std	0.0010	0.0093		0.0128