Added percent_converged
Termination when a specified percent of the population has converged.
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@ -31,10 +31,10 @@ class Termination_Methods:
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if ga.tolerance_goal is not None:
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if ga.tolerance_goal is not None:
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best_fitness = ga.population.get_chromosome(0).get_fitness()
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best_fitness = ga.population.get_chromosome(0).get_fitness()
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threshhold_fitness = ga.population.get_chromosome(int(0.1*ga.population.size())).get_fitness()
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threshhold_fitness = ga.population.get_chromosome(int(ga.percent_converged*ga.population.size())).get_fitness()
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tol = ga.tolerance_goal * (1 + abs(best_fitness))
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tol = ga.tolerance_goal * (1 + abs(best_fitness))
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# Terminate if 10% of the population has converged
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# Terminate if the specified amount of the population has converged to the specified tolerance
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if abs(best_fitness - threshhold_fitness) < tol:
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if abs(best_fitness - threshhold_fitness) < tol:
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return False
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return False
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