mlpack
lregularizer.hpp
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1 
13 #ifndef MLPACK_METHODS_ANN_LREGULARIZER_HPP
14 #define MLPACK_METHODS_ANN_LREGULARIZER_HPP
15 
16 #include <mlpack/prereqs.hpp>
17 
18 namespace mlpack {
19 namespace ann {
20 
26 template<int TPower>
27 class LRegularizer
28 {
29  public:
35  LRegularizer(double factor = 1.0);
36 
44  template<typename MatType>
45  void Evaluate(const MatType& weight, MatType& gradient);
46 
48  template<typename Archive>
49  void serialize(Archive& ar, const uint32_t /* version */);
50 
52  static const int Power = TPower;
53 
55  double factor;
56 };
57 
58 // Convenience typedefs.
62 typedef LRegularizer<1> L1Regularizer;
63 
67 typedef LRegularizer<2> L2Regularizer;
68 
69 } // namespace ann
70 } // namespace mlpack
71 
72 // Include implementation.
73 #include "lregularizer_impl.hpp"
74 
75 #endif
mlpack::ann::LRegularizer
The L_p regularizer for arbitrary integer p.
Definition: lregularizer.hpp:27
mlpack
Linear algebra utility functions, generally performed on matrices or vectors.
Definition: add_to_cli11.hpp:21
mlpack::ann::LRegularizer::Power
static const int Power
The power of the regularizer.
Definition: lregularizer.hpp:52
prereqs.hpp
The core includes that mlpack expects; standard C++ includes and Armadillo.
mlpack::ann::LRegularizer::LRegularizer
LRegularizer(double factor=1.0)
Create the regularizer object.
mlpack::ann::L2Regularizer
LRegularizer< 2 > L2Regularizer
The L2 Regularizer.
Definition: lregularizer.hpp:67
mlpack::ann::LRegularizer::serialize
void serialize(Archive &ar, const uint32_t)
Serialize the regularizer (nothing to do).
mlpack::ann::L1Regularizer
LRegularizer< 1 > L1Regularizer
The L1 Regularizer.
Definition: lregularizer.hpp:62
mlpack::ann::LRegularizer::Evaluate
void Evaluate(const MatType &weight, MatType &gradient)
Calculate the gradient for regularization.
mlpack::ann::LRegularizer::factor
double factor
The constant for the regularization.
Definition: lregularizer.hpp:55