See:

Hybrid Particle Swarm Optimization and Gravitational Search Algorithm (PSOGSA)

https://se.mathworks.com/matlabcentral/fileexchange/35939-hybrid-particle-swarm-optimization-and-gravitational-search-algorithm--psogsa-

Please check the following link related to YARPIZ project, I found it also last year: http://yarpiz.com/

You will find some source code.

Regards

Dear friend

U should check them on u tube. There are many p. S. O codes and other approaches codes also available. If u have any problem regarding particle swarm optimization codes. Then I will send you

Visit link for Matlab Code

https://youtu.be/OQ3T575sbI8

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

Crtl+D -> go to the code in Matlab. However, it's not open-source after all.

Try Python on GITHUB, maybe~

You can type Syed Ali Mirjalili on google and go to his personal website. You will find lots of original MATLAB code there. Also, serch on mathworks.com.

All the answers are great

https://github.com/sli1989/svm-parameter-selection

python的更容易些感觉

https://scikit-opt.github.io/scikit-opt/#/zh/README

Mantap..sudah saya recomedasikan... produktif nulisnya.