pmlpp/mlpp/regularization/reg.h

53 lines
1.5 KiB
C++

#ifndef MLPP_REG_H
#define MLPP_REG_H
#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);
};
VARIANT_ENUM_CAST(MLPPReg::RegularizationType);
#endif /* Reg_hpp */