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

Table 7

The difference between the two optimized values.

Number of items	Target 1 (%)	Target 2 (%)	Picking distance (%)
30	−0.16	0.00	9.83
50	0.50	0.06	25.00
70	−0.20	−1.09	19.77
90	−1.64	0.82	22.53
130	−3.90	−0.98	19.68
170	−1.11	−3.02	5.22