A Short Turning Strategy for Train Scheduling Optimization in an Urban Rail Transit Line: The Case of Beijing Subway Line 4

Table 6

Comparison with different value of weight coefficients for case study-A.

		Computing time[s]	Objective function value	Gap
0.1	0.9	1.76	-0.657	0
0.3	0.7	1.55	-0.059	0.58%
0.5	0.5	1.31	0.536	2.03%
0.7	0.3	1.29	1.124	0.41%
0.9	0.1	1.25	1.713	0