Fix-and-Optimize and Variable Neighborhood Search Approaches for Stochastic Multi-Item Capacitated Lot-Sizing Problems

Table 6

Computational results compared with scenarios methods.

Methodology; model	Periods	PWL-FO2		PWL-FO-VNS		SCN5-BC		SCN10-BC
		S-MICLSP		31610.95	6.05	0.65	133.29	4.52	−19.82	−1.81	246.14
	52896.83		9.84	−2.67	120.10	1.34	121.28	−2.44	1709.16
	106087.66		16.48	−3.03	117.48	−4.13	15134.03
	180137.95		27.52	−3.33	116.87
S-MICLSP-L		35294.55	11.06	−2.15	161.47	3.20	−13.05	−1.61	236.42
		55840.08	17.84	−2.86	144.40	3.73	207.43	−3.43	2439.68
		113090.88	32.39	−3.54	137.08	−4.31	17906.94
		195927.06	52.22	−4.02	135.99