Solving a Two-Stage Stochastic Capacitated Location-Allocation Problem with an Improved PSO in Emergency Logistics

Table 9

Statistical results of different algorithms solving the classic one-stage EVM.

	PSO	IPSO		HIA
Best GC	2132	2132	2132	2153
Avg GCE (%)	3.04	0.45	0.74	1.63
Best CT	31.1 s	30.2 s	79.1 s	65 min
Avg CTE (%)	1.86	4.07	5.18	4.00

denotes the use of the simplex method.