ISO: An Improved Snake Optimizer

An improved snake optimizer with multi-strategy enhancement for engineering optimization

To enhance the performance of the Snake Optimizer, we propose an improved version with multi-strategy enhancement, referred to as ISO. ISO incorporates a variety of novel enhancement strategies, including the Multi-Strategy Chaotic System (MSCS) in the initial algorithm phase, Anti-Predator Strategies (APS) during the exploration phase, and Bidirectional Population Evolution Dynamics (BPED) in the exploitation phase.

Add1:In these folders, we have added versions that use ISO to solve two classic NP problems. The two NP-hard problems are the traveling salesperson problem(TSP) and the knapsack problem(KP). Users can find them in the "ISO_for_TSP" and "ISO_for_KP" fo.

Add2: We have recently added the results of ISO when dealing with some optimization problems so that relevant researchers can better understand ISO. The relevant files can be found under a file called "ISO_results."

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Note!!!:

Please cite our paper when using the code:

Zhu Y, Huang H, Wei J, et al. ISO: An improved snake optimizer with multi-strategy enhancement for engineering optimization[J]. Expert Systems with Applications, 2025: 127660.