An Improved Symbiosis Particle Swarm Optimization for Solving Economic Load Dispatch Problem

Table 5

Outputted results without considering the valve-point effect.

Algorithms	Best ($)	Worst ($)	Mean ($)
ISPSO	6.85e^+03	7.03e^+03	6.94e^+03
PSO	8.19e^+03	8.19e^+03	8.19e^+03
ICPSO	7.53e^+03	8.19e^+03	7.98e^+03
SOS	8.19e^+03	8.19e^+03	8.19e^+03