Symbiotic Organisms Search (SOS) algorithm.
An algorithm called Symbiotic Organisms Search (SOS) is a bio-inspired numerical method for optimization problems. SOS simulates the symbiotic interaction strategies adopted by organisms to survive and propagate in the ecosystem. If you want to read the full paper, follow a link bellow:
https://www.sciencedirect.com/science/article/abs/pii/S0045794914000881
This MATLAB code includes all the steps described in the original article. You can change the settings including Objective function from 'initialization' part in the 'main' script.