Robust Model of Discrete Competitive Facility Location Problem with Partially Proportional Rule

Table 4

Comparison of the method and the method .

(M, N, G)	MIP		SAS				GAP
	Time (s)	Obj	Time (s)	Max	Ave	Min	Time	Obj
(100, 30, 2000)	4.6613	255	8.6972	255	255	255	−0.46	0
(100, 30, 3000)	147.9407	938	5.6810	938	938	938	25.04	0
(100, 30, 4000)	486.3300	4435	6.0592	4435	4435	4435	79.26	0
(100, 50, 2000)	8.9027	306	7.0733	306	306	306	0.26	0
(100, 50, 3000)	1437.0	2331	8.0774	2331	2327.7	2265	176.90	0.0014
(100, 50, 4000)	4080.4	4618	8.2981	4618	4618	4618	490.73	0
(200, 30, 2000)	21.4404	413	7.2421	413	413	413	1.96	0
(200, 30, 3000)	330.1236	255	7.2915	255	255	255	44.28	0
(200, 30, 4000)	1422.3	7807	8.3080	7807	7807	7807	170.20	0
(200, 50, 2000)	147.4972	508	8.8188	508	508	508	15.73	0
(200, 50, 3000)	1843.5	3941	10.2389	3926	3926	3926	179.05	0.0038
(200, 50, 4000)	44326	8514	9.3528	8493	8492.7	8490	4738.4	0.0025