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Last change
on this file since 1287 was
1190,
checked in by Maciej Komosinski, 2 years ago
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Added the "evolalg" module for evolutionary optimization
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File size:
848 bytes
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| Rev | Line | |
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| [1190] | 1 | import numpy as np |
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| 2 | |
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| 3 | from ..base.experiment_islands_model_abc import ExperimentIslands |
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| 4 | from ..structures.hall_of_fame import HallOfFame |
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| 5 | |
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| 6 | |
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| 7 | class ExperimentNumericalIslands(ExperimentIslands): |
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| 8 | def __init__(self, hof_size, popsize, number_of_populations, migration_interval, save_only_best) -> None: |
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| 9 | ExperimentIslands.__init__(self,popsize=popsize, |
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| 10 | hof_size=hof_size, |
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| 11 | number_of_populations=number_of_populations, |
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| 12 | migration_interval=migration_interval, |
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| 13 | save_only_best=save_only_best) |
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| 14 | |
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| 15 | def mutate(self, gen1): |
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| 16 | return gen1 + np.random.randint(-10, 10, len(gen1)) |
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| 17 | |
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| 18 | def cross_over(self, gen1, gen2): |
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| 19 | return gen1 |
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| 20 | |
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| 21 | def evaluate(self, genotype): |
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| 22 | return 1/sum([x*x for x in genotype]) |
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