SG++-Doxygen-Documentation
sgpp::datadriven::DMWeightMatrix Class Reference

Class that implements the virtual class OperationMatrix for the application of classification for the Systemmatrix with weight. More...

#include <DMWeightMatrix.hpp>

Inheritance diagram for sgpp::datadriven::DMWeightMatrix:
sgpp::base::OperationMatrix

Public Member Functions

 DMWeightMatrix (sgpp::base::Grid &SparseGrid, sgpp::base::DataMatrix &trainData, sgpp::base::OperationMatrix &C, double lambda, sgpp::base::DataVector &w)
 Std-Constructor. More...
 
void generateb (sgpp::base::DataVector &classes, sgpp::base::DataVector &b)
 Generates the right hand side of the classification equation. More...
 
virtual void mult (sgpp::base::DataVector &alpha, sgpp::base::DataVector &result)
 starts the Multiplication with the matrix More...
 
virtual ~DMWeightMatrix ()
 Std-Destructor. More...
 
- Public Member Functions inherited from sgpp::base::OperationMatrix
 OperationMatrix ()
 Constructor. More...
 
virtual ~OperationMatrix ()
 Destructor. More...
 

Detailed Description

Class that implements the virtual class OperationMatrix for the application of classification for the Systemmatrix with weight.

Constructor & Destructor Documentation

sgpp::datadriven::DMWeightMatrix::DMWeightMatrix ( sgpp::base::Grid SparseGrid,
sgpp::base::DataMatrix trainData,
sgpp::base::OperationMatrix C,
double  lambda,
sgpp::base::DataVector w 
)

Std-Constructor.

Parameters
SparseGridreference to the sparse grid
trainDatareference to sgpp::base::DataVector that contains the training data
Cthe regression functional
lambdathe lambda, the regression parameter
wthe weights to the training data

References sgpp::op_factory::createOperationMultipleEval(), and lambda.

sgpp::datadriven::DMWeightMatrix::~DMWeightMatrix ( )
virtual

Std-Destructor.

Member Function Documentation

void sgpp::datadriven::DMWeightMatrix::generateb ( sgpp::base::DataVector classes,
sgpp::base::DataVector b 
)

Generates the right hand side of the classification equation.

Parameters
classesthe class information of the training data
breference to the vector that will contain the result of the matrix vector multiplication on the rhs

References sgpp::base::DataVector::componentwise_mult(), and sgpp::base::OperationMultipleEval::multTranspose().

Referenced by sgpp::datadriven::AlgorithmAdaBoostIdentity::alphaSolver().

void sgpp::datadriven::DMWeightMatrix::mult ( sgpp::base::DataVector alpha,
sgpp::base::DataVector result 
)
virtual

starts the Multiplication with the matrix

Parameters
alphaDataVector that contains the ansatzfunctions' coefficients
resultDataVector into which the result of the Laplace operation is stored

Implements sgpp::base::OperationMatrix.

References sgpp::base::DataVector::axpy(), sgpp::base::DataVector::getSize(), sgpp::base::OperationMatrix::mult(), sgpp::base::OperationMultipleEval::mult(), and sgpp::base::OperationMultipleEval::multTranspose().


The documentation for this class was generated from the following files: