@Ahmed Ali---Thank you for your answer. I checked the link, lots of pso codes are there, from these codes I can get the idea.

PSO codes in MATLAB

https://www.researchgate.net/publication/296636431_Codes_in_MATLAB_for_Particle_Swarm_Optimization?ev=prf_pub

Code Codes in MATLAB for Particle Swarm Optimization

https://www.researchgate.net/publication/297245624_Particle_Swarm_Optimization_Algorithm_and_its_Codes_in_MATLAB

Research Particle Swarm Optimization: Algorithm and its Codes in MATLAB

https://www.researchgate.net/publication/280244004_A_comparative_study_of_metaheuristic_optimization_approaches_for_directional_overcurrent_relays_coordination

Article A comparative study of metaheuristic optimization approaches...

can anybody share *m file for multi objective pso algorithm.

For Matlab Code, Visit link

http://dg-algorithm.blogspot.com/

Does anyone have the PSO-based MATLAB code for calculating switching angles of multilevel inverters?