mirror of
https://github.com/Relintai/pmlpp.git
synced 2024-12-23 15:06:52 +01:00
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
|
|
|
|
#ifndef MLPP_REG_H
|
|
#define MLPP_REG_H
|
|
|
|
//
|
|
// Reg.hpp
|
|
//
|
|
// Created by Marc Melikyan on 1/16/21.
|
|
//
|
|
|
|
#include "core/math/math_defs.h"
|
|
|
|
#include "core/object/reference.h"
|
|
|
|
#include "../lin_alg/mlpp_matrix.h"
|
|
#include "../lin_alg/mlpp_vector.h"
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
class MLPPReg : public Reference {
|
|
GDCLASS(MLPPReg, Reference);
|
|
|
|
public:
|
|
enum RegularizationType {
|
|
REGULARIZATION_TYPE_NONE = 0,
|
|
REGULARIZATION_TYPE_RIDGE,
|
|
REGULARIZATION_TYPE_LASSO,
|
|
REGULARIZATION_TYPE_ELASTIC_NET,
|
|
REGULARIZATION_TYPE_WEIGHT_CLIPPING,
|
|
};
|
|
|
|
real_t reg_termv(const Ref<MLPPVector> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
real_t reg_termm(const Ref<MLPPMatrix> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
|
|
Ref<MLPPVector> reg_weightsv(const Ref<MLPPVector> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
Ref<MLPPMatrix> reg_weightsm(const Ref<MLPPMatrix> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
|
|
Ref<MLPPVector> reg_deriv_termv(const Ref<MLPPVector> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
Ref<MLPPMatrix> reg_deriv_termm(const Ref<MLPPMatrix> &weights, real_t lambda, real_t alpha, RegularizationType reg);
|
|
|
|
MLPPReg();
|
|
~MLPPReg();
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
private:
|
|
real_t reg_deriv_termvr(const Ref<MLPPVector> &weights, real_t lambda, real_t alpha, RegularizationType reg, int j);
|
|
real_t reg_deriv_termmr(const Ref<MLPPMatrix> &weights, real_t lambda, real_t alpha, RegularizationType reg, int i, int j);
|
|
|
|
public:
|
|
// ======== OLD =========
|
|
|
|
real_t regTerm(std::vector<real_t> weights, real_t lambda, real_t alpha, std::string reg);
|
|
real_t regTerm(std::vector<std::vector<real_t>> weights, real_t lambda, real_t alpha, std::string reg);
|
|
|
|
std::vector<real_t> regWeights(std::vector<real_t> weights, real_t lambda, real_t alpha, std::string reg);
|
|
std::vector<std::vector<real_t>> regWeights(std::vector<std::vector<real_t>> weights, real_t lambda, real_t alpha, std::string reg);
|
|
|
|
std::vector<real_t> regDerivTerm(std::vector<real_t> weights, real_t lambda, real_t alpha, std::string reg);
|
|
std::vector<std::vector<real_t>> regDerivTerm(std::vector<std::vector<real_t>>, real_t lambda, real_t alpha, std::string reg);
|
|
|
|
private:
|
|
real_t regDerivTerm(std::vector<real_t> weights, real_t lambda, real_t alpha, std::string reg, int j);
|
|
real_t regDerivTerm(std::vector<std::vector<real_t>> weights, real_t lambda, real_t alpha, std::string reg, int i, int j);
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(MLPPReg::RegularizationType);
|
|
|
|
#endif /* Reg_hpp */
|