Solving Interval Quadratic Programming Problems by Using the Numerical Method and Swarm Algorithms

Table 5

The statistical results of SAs over the 30 runs.

			Algorithm	CPU time(s)	Mean	SD	Worst	Best
Problem 1	Range of	[1.025, 74]	PSO	5.45	1.6783	0.0419	1.7024	1.6209
			FA	4.56	1.5337	0.0065	1.5379	1.5252
			CPSO	3.76E−002	1.0250	0	1.0250	1.0250
			CFA	2.95E−002	1.0250	0	1.0250	1.0250
Problem 2	Range of	[−3.5, −0.75]	PSO	12.05	−3.2244	0.0458	−3.1846	−3.2759
			FA	7.96	−3.3230	0.0066	−3.3257	−3.3355
			CPSO	2.54E−002	−3.4999	0	−3.4999	−3.4999
			CFA	1.51E−002	−3.5	0	−3.5	−3.5
Problem 3	Range of	[−3.4922, 0.5217]	PSO	22.45	−1.8795	0.0304	−1.8750	−1.9297
			FA	10.38	−3.1498	0.0487	−3.0907	−3.1872
			CPSO	9.41E−002	2.7037	0.0013	−2.7005	−2.7046
			CFA	8.95E−002	−3.4922	0	−3.4922	−3.4922