SG++-Doxygen-Documentation
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Class that implements the virtual class OperationMatrix for the application of classification for the Systemmatrix by using a density function. More...
#include <DensitySystemMatrix.hpp>
Public Member Functions | |
DensitySystemMatrix (sgpp::base::OperationMatrix *A, sgpp::base::OperationMultipleEval *B, sgpp::base::OperationMatrix *C, double lambda, size_t numSamples) | |
Std-Constructor. More... | |
DensitySystemMatrix (base::Grid &grid, base::DataMatrix &trainData, base::OperationMatrix *C, double lambda) | |
Std-Constructor. More... | |
void | generateb (base::DataVector &b) |
Generates the right hand side of the classification equation. More... | |
void | mult (base::DataVector &alpha, base::DataVector &result) |
Generates the left hand side of the classification equation. More... | |
virtual | ~DensitySystemMatrix () |
Std-Destructor. More... | |
Public Member Functions inherited from sgpp::base::OperationMatrix | |
OperationMatrix () | |
Constructor. More... | |
virtual | ~OperationMatrix () |
Destructor. More... | |
Class that implements the virtual class OperationMatrix for the application of classification for the Systemmatrix by using a density function.
sgpp::datadriven::DensitySystemMatrix::DensitySystemMatrix | ( | sgpp::base::OperationMatrix * | A, |
sgpp::base::OperationMultipleEval * | B, | ||
sgpp::base::OperationMatrix * | C, | ||
double | lambda, | ||
size_t | numSamples | ||
) |
Std-Constructor.
A | L^2 dot product matrix of some grid |
B | MultipleEval matrix of grid and data points |
C | the regression functional |
lambda | the regression parameter |
numSamples | number of data samples |
sgpp::datadriven::DensitySystemMatrix::DensitySystemMatrix | ( | base::Grid & | grid, |
base::DataMatrix & | trainData, | ||
base::OperationMatrix * | C, | ||
double | lambda | ||
) |
Std-Constructor.
grid | reference to the sparse grid |
trainData | reference to DataVector that contains the training data |
C | the regression functional |
lambda | the regression parameter |
References sgpp::op_factory::createOperationLTwoDotProduct(), and sgpp::op_factory::createOperationMultipleEval().
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virtual |
Std-Destructor.
void sgpp::datadriven::DensitySystemMatrix::generateb | ( | base::DataVector & | b | ) |
Generates the right hand side of the classification equation.
b | reference to the vector which will contain the result of the matrix vector multiplication on the rhs |
References sgpp::base::DataVector::mult(), and sgpp::base::DataVector::setAll().
Referenced by sgpp::datadriven::LearnerSGDE::train(), and sgpp::datadriven::LearnerSGDE::trainOnline().
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virtual |
Generates the left hand side of the classification equation.
alpha | parameters for the sparse grid functions |
result | reference to the vector which will contain the result |
Implements sgpp::base::OperationMatrix.
References sgpp::base::DataVector::axpy(), sgpp::base::DataVector::getSize(), sgpp::base::DataVector::setAll(), and analyse_erg::tmp.