kohonen_net.hpp

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#ifndef KOHONEN_NETWORK_HPP
#define KOHONEN_NETWORK_HPP
#include <vector>
 
namespace gpmp {
 
namespace ml {
 
class KohonenNet {
  public:
    KohonenNet(int inputSize, int mapSize);
 
    ~KohonenNet();
    void train(const std::vector<std::vector<double>> &inputData,
               int epochs = 1000);
 
    int classify(const std::vector<double> &inputVector);
 
  private:
    int input_size; 
    int map_size;   
    std::vector<std::vector<double>>
        weights; 
    void initialize_weights();
 
    int best_matching_unit(const std::vector<double> &input_vector);
 
    void update_weights(int bmu,
                        const std::vector<double> &input_vector,
                        double learning_rate);
 
    double euclidean_distance(const std::vector<double> &vec1,
                              const std::vector<double> &vec2);
};
 
} // namespace ml
 
} // namespace gpmp
 
#endif