Python of the ParadisEO framework for heuristic optimization
Project description
Table of Contents
Installation
You can install pyParadiseo with pip
pip install pyparadiseo
Getting Started
Example of running EO's simple GA (SGA) for the One-Max test problem
# problem dependent
from pyparadiseo import Pop
from pyparadiseo.evaluator import FitnessEval,PopLoopEval
# encoding dependent
from pyparadiseo.initializer import BinaryInit
from pyparadiseo.operator import OnePtBitCrossover,DetBitFlip
# independent
from pyparadiseo.eo import algo,selector,continuator
import numpy as np
if __name__ == "__main__":
#make pyparadiseo evaluator from python function
eval = FitnessEval(lambda sol: np.count_nonzero(sol))
#generate and evaluate population
pop = Pop(25, BinaryInit(20))
PopLoopEval(eval)(pop,pop)
#assemble simple GA
sga = algo.SGA(
selector.DetTournamentSelect(),
OnePtBitCrossover(),.2,
DetBitFlip(),.6,
eval,
continuator.GenContinue(100)
)
#run algo on pop and print best individual
sga(pop)
print(pop.best())
Components
- EO (Population-based single-objective)
- MO (Trajectory-based single-objective)
- MOEO (Multi-objective)
- Encodings : Binary, Integer, Real, Permutation, Custom
- Genetic Operators : ...
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