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

Table 8

Results of the 10 tests of different algorithms solving the classic one-stage EVM.

	PSO		IPSO				HIA
	GC	CT	GC	CT	GC	CT	GC	CT
1	2202	31.8 s	2151	31.5 s	2136	81.4 s	2194	66 min
2	2191	31.5 s	2151	30.2 s	2138	87.4 s	2185	65 min
3	2132	31.7 s	2151	31.1 s	2132	79.1 s	2192	68 min
4	2202	32.4 s	2132	31.9 s	2151	80.5 s	2158	71 min
5	2132	31.1 s	2132	32.2 s	2151	92.1 s	2239	65 min
6	2132	31.2 s	2151	30.9 s	2132	82.0 s	2173	69 min
7	2292	31.4 s	2151	31.3 s	2151	83.1 s	2204	66 min
8	2217	31.8 s	2132	31.3 s	2202	83.0 s	2153	69 min
9	2247	32.1 s	2132	32.5 s	2132	81.8 s	2214	68 min
10	2221	31.8 s	2132	31.4 s	2152	81.6 s	2169	69 min

∗ denotes the use of the simplex method.