Class for linear function approximation with the univariate Radial basis. More...

#include <radial_approx.h>

Inheritance diagram for dmp::RadialApprox:

Public Member Functions
virtual double	evalAt (double x)
	Evaluate the function approximator at point x.
virtual void	leastSquaresWeights (double X, double Y, int n_pts)
	Computes the least squares weights given a set of data points.
	RadialApprox (int num_bases, double base_width, double alpha)
	RadialApprox (const std::vector< double > &w, double base_width, double alpha)
virtual	~RadialApprox ()
Private Member Functions
void	calcFeatures (double x)
	Calculate the Radial basis features at point x.
Eigen::MatrixXd	pseudoinverse (Eigen::MatrixXd mat)
	Calculate the Moore-Penrose pseudoinverse of a matrix using SVD.
Private Attributes
double *	centers
double *	features
double *	widths

Detailed Description

Class for linear function approximation with the univariate Radial basis.

Definition at line 53 of file radial_approx.h.

Constructor & Destructor Documentation

dmp::RadialApprox::RadialApprox	(	int	num_bases,
		double	base_width,
		double	alpha
	)

Definition at line 49 of file radial_approx.cpp.

dmp::RadialApprox::RadialApprox	(	const std::vector< double > &	w,
		double	base_width,
		double	alpha
	)

dmp::RadialApprox::~RadialApprox ( ) [virtual]

Definition at line 79 of file radial_approx.cpp.

Member Function Documentation

void dmp::RadialApprox::calcFeatures ( double x ) [private]

Calculate the Radial basis features at point x.

Parameters:

x	The point at which to get features

Definition at line 121 of file radial_approx.cpp.

double dmp::RadialApprox::evalAt ( double x ) [virtual]

Evaluate the function approximator at point x.

Parameters:

x	The point at which to evaluate

Returns:: The scalar value of the function at x

Implements dmp::FunctionApprox.

Definition at line 87 of file radial_approx.cpp.

void dmp::RadialApprox::leastSquaresWeights	(	double *	X,
		double *	Y,
		int	n_pts
	)		`[virtual]`

Computes the least squares weights given a set of data points.

Parameters:

X	A vector of the domain values of the points
Y	A vector of the target values of the points

Implements dmp::FunctionApprox.

Definition at line 99 of file radial_approx.cpp.

MatrixXd dmp::RadialApprox::pseudoinverse ( Eigen::MatrixXd mat ) [private]

Calculate the Moore-Penrose pseudoinverse of a matrix using SVD.

Parameters:

mat	The matrix to pseudoinvert

Returns:: The pseudoinverted matrix

Definition at line 134 of file radial_approx.cpp.

Member Data Documentation

double* dmp::RadialApprox::centers [private]

Definition at line 84 of file radial_approx.h.

double* dmp::RadialApprox::features [private]

Definition at line 83 of file radial_approx.h.

double* dmp::RadialApprox::widths [private]

Definition at line 85 of file radial_approx.h.

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation