Hybrid composite objective functions are common tools to verify the performance of metaheuristics. Is there anyone who can help with the Matlab code related to those functions, mainly the functions used in well-known and recent articles such as Grey Wolf Optimizer, Ant Lion Optimizer, Harris Hawk Algorithm, Arithmetic Optimization Algorithm, etc. ?

I know about the CEC 2005, but it seems that the above-mentioned papers used modified versions of CEC 2005. Therefore, for the sake of comparison, I highly appreciate any help provided.

Thanks and regards

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