The Modified Particle Swarm Optimization for a Special Case of the Assignment Problem: A Case Study in Chicken Transportation

Table 22

Comparison in terms of features of DE and modified PSO.

Features	DE	Modified PSO
Principle	Using the difference among vectors to expand the searching area	Using cooperation among particles to find the best area which contained the best solution
Number of parameters	High	Low
Procedure	4 main steps:	3 main steps:
	(1) Initial population	(1) Encoding
	(2) Mutation	(2) Decoding
	(3) Recombination	(3) Modified particle swarm optimization
	(4) Selection
Suit for complex problem	Medium	High
Processing time	Long	Short