Class: Algorithms::GeneticAlgorithm::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/algorithms/genetic_algorithm/genetic_algorithm.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(population) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/algorithms/genetic_algorithm/genetic_algorithm.rb', line 24

def initialize(population)
  @population = population
  @best_solution = population.max_by(&:score)
end

Instance Attribute Details

#best_solution ⇒ Object (readonly)

Returns the value of attribute best_solution.



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# File 'lib/algorithms/genetic_algorithm/genetic_algorithm.rb', line 22

def best_solution
  @best_solution
end

Instance Method Details

#run(iterations, min_size: 100, generate_retry: 10) ⇒ Object 



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# File 'lib/algorithms/genetic_algorithm/genetic_algorithm.rb', line 29

def run(iterations, min_size: 100, generate_retry: 10)
  @population = generate_until_minimum(@population, min_size)
  iterations.times do
    @population = @population.map do |solution|
      generate_new_solution(solution, @population, generate_retry)
    end
    @best_solution = (@population + [@best_solution]).max_by(&:score)
  end
end