A Triobjective Model for Locating a Public Semiobnoxious Facility in the Plane

Table 1

Average hypervolume values and average computing time (in seconds). MOEA/D was run with the same number of functions evaluations as FEMOEA.

Problem	FEMOEA	MOEA/D	FEMOEA	MOEA/D
	Av. (hyper)	Av. (hyper)	Av. (time)	Av. (time)
(25, 24, 18)	0.91196	0.78084	76	52
(25, 21, 24)	1.15776	1.06012	115	97
(25, 21, 23)	1.22557	1.04957	98	64
(25, 22, 20)	0.99244	0.67305	103	71
(25, 22, 21)	1.16561	1.07470	98	63
(25, 21, 20)	1.26344	1.26117	105	79
(25, 23, 20)	1.27525	1.26033	79	56
(25, 24, 18)	1.05399	0.98118	116	76
(25, 17, 24)	0.98886	0.85612	65	38
(25, 24, 20)	1.08105	1.03254	73	58
(100, 75, 93)	0.90985	0.74924	845	629
(100, 90, 92)	0.97463	0.81445	1020	786
(100, 94, 84)	0.98315	0.82334	1321	813
(100, 96, 75)	1.04997	0.81953	1562	1330
(100, 82, 92)	0.82064	0.63769	789	699
(100, 75, 92)	1.12490	0.83296	658	544
(100, 85, 90)	1.13659	1.08949	958	749
(100, 75, 93)	1.11774	1.04373	712	541
(100, 67, 98)	1.00772	0.51032	456	374
(100, 90, 87)	0.83631	0.70375	954	769
(500, 347, 493)	0.99370	0.70744	24617	20514
(500, 436, 474)	0.85810	0.69633	35326	31285
(500, 406, 484)	0.46998	0.43240	33409	32257
(500, 438, 417)	0.80063	0.68276	34606	31438
(500, 482, 388)	0.84188	0.63235	41099	36998
(500, 343, 492)	0.93035	0.75761	23613	19660
(500, 435, 440)	0.98743	0.79883	34189	30465
(500, 347, 493)	0.77210	0.44679	23131	19350
(500, 327, 498)	0.80318	0.63370	22272	19773
(500, 467, 418)	0.73983	0.46125	38725	35532
Average	0.97582	0.81012	10706	9505