LocalExpansion< TKernelAux > Class Template Reference

Local expansion class. More...

Collaboration diagram for LocalExpansion< TKernelAux >:

[legend]

List of all members.

Public Member Functions
void	AccumulateCoeffs (const Matrix &data, const Vector &weights, int begin, int end, int order)
	Accumulates the local moment represented by the given reference data into the coefficients.
double	bandwidth_sq () const
	Get the coefficients.
double	EvaluateField (const double *x_q) const
double	EvaluateField (const Matrix &data, int row_num) const
	Evaluates the local coefficients at the given point.
const Vector *	get_center () const
Vector *	get_center ()
	Get the center of expansion.
const Vector &	get_coeffs () const
	Get the coefficients.
int	get_max_order () const
	Get the maximum possible approximation order.
int	get_order () const
	Get the approximation order.
void	Init (const TKernelAux &ka)
void	Init (const Vector &center, const TKernelAux &ka)
	Initializes the current local expansion object with the given center.
template<typename TBound >
int	OrderForEvaluating (const TBound &far_field_region, const TBound &local_field_region, double min_dist_sqd_regions, double max_dist_sqd_regions, double max_error, double *actual_error) const
	Computes the required order for evaluating the local expansion for any query point within the specified region for a given bound.
void	PrintDebug (const char *name="", FILE *stream=stderr) const
	Prints out the series expansion represented by this object.
void	RefineCoeffs (const Matrix &data, const Vector &weights, int begin, int end, int order)
	This does not apply for local coefficients.
void	set_order (int new_order)
	Set the approximation order.
void	TranslateFromFarField (const FarFieldExpansion< TKernelAux > &se)
	Translate from a far field expansion to the expansion here.
void	TranslateToLocal (LocalExpansion &se)
	Translate to the given local expansion.

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Detailed Description

template<typename TKernelAux>
class LocalExpansion< TKernelAux >

Local expansion class.

Definition at line 60 of file local_expansion.h.

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Member Function Documentation

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::AccumulateCoeffs	(	const Matrix &	data,
		const Vector &	weights,
		int	begin,
		int	end,
		int	order
	)

Accumulates the local moment represented by the given reference data into the coefficients.

template<typename TKernelAux>

double LocalExpansion< TKernelAux >::bandwidth_sq

(

)

const [inline]

Get the coefficients.

Definition at line 93 of file local_expansion.h.

template<typename TKernelAux>

double LocalExpansion< TKernelAux >::EvaluateField	(	const Matrix &	data,
		int	row_num
	)			const

Evaluates the local coefficients at the given point.

template<typename TKernelAux>

Vector* LocalExpansion< TKernelAux >::get_center

(

)

[inline]

Get the center of expansion.

Definition at line 96 of file local_expansion.h.

template<typename TKernelAux>

const Vector& LocalExpansion< TKernelAux >::get_coeffs

(

)

const [inline]

Get the coefficients.

Definition at line 101 of file local_expansion.h.

template<typename TKernelAux>

int LocalExpansion< TKernelAux >::get_max_order

(

)

const [inline]

Get the maximum possible approximation order.

Definition at line 107 of file local_expansion.h.

template<typename TKernelAux>

int LocalExpansion< TKernelAux >::get_order

(

)

const [inline]

Get the approximation order.

Definition at line 104 of file local_expansion.h.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::Init	(	const Vector &	center,
		const TKernelAux &	ka
	)

Initializes the current local expansion object with the given center.

template<typename TKernelAux>

template<typename TBound >

int LocalExpansion< TKernelAux >::OrderForEvaluating	(	const TBound &	far_field_region,
		const TBound &	local_field_region,
		double	min_dist_sqd_regions,
		double	max_dist_sqd_regions,
		double	max_error,
		double *	actual_error
	)			const [inline]

Computes the required order for evaluating the local expansion for any query point within the specified region for a given bound.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::PrintDebug	(	const char *	name = "",
		FILE *	stream = stderr
	)			const

Prints out the series expansion represented by this object.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::RefineCoeffs	(	const Matrix &	data,
		const Vector &	weights,
		int	begin,
		int	end,
		int	order
	)			[inline]

This does not apply for local coefficients.

Definition at line 124 of file local_expansion.h.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::set_order

(

int

new_order

)

[inline]

Set the approximation order.

Definition at line 110 of file local_expansion.h.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::TranslateFromFarField

(

const FarFieldExpansion< TKernelAux > &

se

)

Translate from a far field expansion to the expansion here.

The translated coefficients are added up to the ones here.

template<typename TKernelAux>

void LocalExpansion< TKernelAux >::TranslateToLocal

(

LocalExpansion< TKernelAux > &

se

)

Translate to the given local expansion.

The translated coefficients are added up to the passed-in local expansion coefficients.

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

• mlpack/series_expansion/local_expansion.h