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Table 3 Comparison of HHO, SA and ABC for VRP

From: Vehicle routing problems based on Harris Hawks optimization

Simulation number Method Minimum objective function obtained Minimum number of iterations required
Sim. 1
 8 customers
 3 vehicles
HHO 220.1634 13
SA 220.1634 51
ABC 220.1634 61
Sim. 2
 10 customers
 3 vehicles
HHO 269.8302 28
SA 293.9009 105
ABC 284.9794 65
Sim. 3
 14 customers
 4 vehicles
HHO 219.2101 51
SA 278.3779 230
ABC 276.2006 144
Sim. 4
 20 customers
 4 vehicles
HHO 297.457 63
SA 385.7173 264
ABC 334.7739 231
Sim. 5
 25 customers
 5 vehicles
HHO 251.976 172
SA 376.6583 248
ABC 330.3308 224
Sim. 6
 30 customers
 5 vehicles
HHO 316.1595 193
SA 419.6352 282
ABC 354.6163 206
Sim. 7
 40 customers
 6 vehicles
HHO 319.0379 157
SA 549.2129 294
ABC 375.9213 280
Sim. 8
 50 customers
 7 vehicles
HHO 298.1563 194
SA 626.9496 298
ABC 377.2894 292
Sim. 9
 60 customers
 7 vehicles
HHO 401.5839 156
SA 712.1566 300
ABC 416.0673 250
Sim. 10
 70 customers
 8 vehicles
HHO 423.0535 186
SA 694.4901 300
ABC 442.3711 300