Created by Scott Robert Ladd at Coyote Gulch Productions.
Fitness scaling for a population. More...
#include <scaler.h>
As a population converges on a definitive solution, the difference between fitness values may become very small. That prevents the best solutions from having a significant advantage in reproduction. Fitness scaling solves this problem by adjusting the fitness values to the advantage of the most-fit chromosomes.
OrganismType | - The type of organism |
virtual libevocosm::scaler< OrganismType >::~scaler | ( | ) | [inline, virtual] |
A virtual destructor. By default, it does nothing; this is a placeholder that identifies this class as a potential base, ensuring that objects of a derived class will have their destructors called if they are destroyed through a base-class pointer.
void libevocosm::scaler< OrganismType >::invert | ( | vector< OrganismType > & | a_population | ) | [inline] |
Scales a population's fitness values
References libevocosm::organism< Genotype >::fitness().
virtual void libevocosm::scaler< OrganismType >::scale_fitness | ( | vector< OrganismType > & | a_population | ) | [pure virtual] |
The scale_fitness method can adjust the fitness of a population to make it more likely that the "best" (whatever that menas) organisms have the best chance of reproduction.
a_population | - A population of organisms |
Implemented in libevocosm::null_scaler< OrganismType >, libevocosm::linear_norm_scaler< OrganismType >, libevocosm::windowed_scaler< OrganismType >, libevocosm::exponential_scaler< OrganismType >, libevocosm::quadratic_scaler< OrganismType >, and libevocosm::sigma_scaler< OrganismType >.
© 1996-2005 Scott Robert Ladd. All rights reserved.
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