float evaluate(individual ind){
float Fc =0 ;
std::vector<float> v = ind.getFeatureVector();
for(unsigned int i=0;i<v.size();i++){
Fc += v[i]*v[i];
}
return Fc;
}
/**
* Asexual reproduction:
*
* I just randomly chose features of one or the other parent by a probabillity proportional
* to the parents fitness function
*
* The combination strategy is used in the make offspring method to create a child.
*/
individual individual::combine1(individual indiv){
//individual child(indiv.getFeatureVector());
std::vector<float> fv;
std::vector<float> indivFV(indiv.getFeatureVector());
std::uniform_real_distribution<> dint(0,1);
float O1 = this->getObjectiveFunction();
float O2 = indiv.getObjectiveFunction();
float fittnessBias = O1>O2 ? 0.75 : 0.25;
for(unsigned int i=0;i<ndim;i++){
indivFV.at(i) = dint(this->rngEngine)<fittnessBias ? (this->featureVector).at(i) : (indiv.getFeatureVector()).at(i);
}
return individual(fv);
}
float evaluate(individual ind){
return giveOF(ind.getFeatureVector());
}