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AHaH Computing–From Metastable Switches to Attractors to Machine Learning

Figure 20

64-city traveling salesman experiment.

By using single-input AHaH nodes as nodes in a routing tree to perform a strike search, combinatorial optimization problems such as the traveling salesman problem can be solved. Adjusting the learning rate can control the speed and quality of the solution. A) The distance between the 64 cities versus the convergences time for the AHaH-based and random-based strike search. B) Lower learning rates lead to better solutions. C) Higher learning rates decrease convergence time.

Figure 20

doi: https://doi.org/10.1371/journal.pone.0085175.g020