The Optimization of the Location of the Cargo in Three-Dimension Shelf: Employing the FP-Tree and the Artificial Fish Swarm Algorithms

Table 4

The initial and the optimal values of each single target.

Number of items	Initial value			Single target optimal value
	Target 1	Target 2	Picking distance	Target 1	Target 2
30	110542.2357	3.7606	885	39872	0.8
50	202258.5205	4.7211	900	80527	1.1095
70	273865.2278	5.0688	1330	125190	1.2611
90	434942.3138	5.1419	2130	243120	1.5762
130	571449.73	4.7087	2520	307960	2.1645
170	744384.8193	4.724	3028	446680	2.7609