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This is the sixth post in a series on Evolutionary Solvers.

All the mechanisms we have discussed so far (Selection, Coupling and Coalescence) are designed to improve the quality of solutions on a generation by generation basis. However all of them have a tendency to reduce the bio-diversity in a population. The only mechanism which can introduce diversity is mutation. Several types of mutation are available in the Galapagos core, though the nature of the implementation in Grasshopper at the moment restricts the possible mutation to only Point mutations.

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