A Continuous Approximation Approach Based on Regular Hexagon Partition for the Facility Location Problem under Disruptions Risk

Table 6

The different ratio of expected total cost caused by estimation error of q (%).

	True q	0.05		0.1			0.15		0.2
	Estimated q	0.01	0.1	0.05	0.15	0.2	0.1	0.2	0.1	0.15	0.3
Difference ratio of expected total cost	r=1.25	2.85	1.54	1.52	0.58	0.82	0.58	0.23	0.81	0.23	0.00
	r=1.5	4.19	2.67	2.60	1.59	2.72	1.56	1.11	2.65	1.10	0.99
	r=1.75	4.93	3.56	3.43	2.21	3.88	2.17	1.63	3.73	1.60	2.03
	r=2	5.67	4.08	3.92	2.83	4.90	2.75	2.01	4.67	1.97	2.80
	r=3	7.47	5.82	5.50	4.15	7.48	3.99	3.19	6.96	3.09	4.64