Highly reliable harmony search algorithm

In this paper, after a literature overview, studies will be concentrated on Pitch Adjustment Ratio function of Harmony Search Algorithm. A more rational function will be proposed which increase the robustness of algorithm and therefore leads to a highly reliable algorithm Simulations on a set of Standard TSP Problems, demonstrates that Parameter of Reliability (Variance over Average), has experienced 75% of improvement. Cost paid for this considerable improvement, is completely negligible; 0.7% decrease in quality of responses.

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