Class: FeldtRuby::Optimize::EuclideanDistanceToBest

Inherits:
DiversityObjective show all
Defined in:
lib/feldtruby/optimize/objective.rb

Overview

The standard diversity objective is to just use the Euclidean distance to the best candidate found so far.

Instance Attribute Summary

Attributes inherited from DiversityObjective

#archive, #quality_objective

Attributes inherited from Objective

#best_candidate, #current_version, #global_max_values_per_goal, #global_min_values_per_goal

Attributes included from Logging

#logger

Instance Method Summary collapse

Methods inherited from Objective

#aggregated_quality, #calculate_sub_qualities_of, #goal_methods, #hat_compare, #initialize, #invalidate_quality_of, #is_better_than?, #is_better_than_for_goal?, #is_goal_method?, #is_min_goal?, #is_min_goal_method?, #map_candidate_to_object_to_be_evaluated, #note_end_of_optimization, #num_goals, #quality_of, #rank_candidates, #sub_qualities_of, #weights, #weights=

Methods included from Logging

#__find_logger_set_on_instance_vars, #new_default_logger, #setup_logger_and_distribute_to_instance_variables

Constructor Details

This class inherits a constructor from FeldtRuby::Optimize::Objective

Instance Method Details

#goal_max_euclidean_distance_to_best(candidate) ⇒ Object

Euclidean distance to best candidate. Genotype diversity.



540
541
542
 
# File 'lib/feldtruby/optimize/objective.rb', line 540

def goal_max_euclidean_distance_to_best(candidate)
  candidate.rms_from(archive.best)
end