matrixutil.hpp File Reference

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Functions
template<typename T>
void	reserve_2D (T **&arr, int xsize, int ysize)
template<typename T>
void	delete_2D (T **&arr)
bool	QR (int zeilen, int spalten, double **A, double *d, double *b, const double epsilon)
void	rdsolve (int spalten, double **R, double *d, double *c, double *x)
void	Invert_RtR (double **R, double **I, int n)
void	compute_errors (int num_param, int num_data, double **R, double *d, double *b, double *errors)
double	signum (double a)

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Function Documentation

void compute_errors	(	int	num_param,
		int	num_data,
		double **	R,
		double *	d,
		double *	b,
		double *	errors
	)

Definition at line 162 of file matrixutil.cpp.

References delete_2D(), Invert_RtR(), reserve_2D(), and SQR.

Referenced by Parabelzentrum::fit().

template<typename T>

void delete_2D

(

T **&

arr

)

[inline]

Definition at line 15 of file matrixutil.hpp.

Referenced by compute_errors(), imgbase< s_x, s_y, T >::~imgbase(), Parabelzentrum::~Parabelzentrum(), and QRfit::~QRfit().

void Invert_RtR	(	double **	R,
		double **	I,
		int	n
	)

Definition at line 126 of file matrixutil.cpp.

Referenced by compute_errors().

bool QR	(	int	zeilen,
		int	spalten,
		double **	A,
		double *	d,
		double *	b,
		const double	epsilon
	)

Definition at line 12 of file matrixutil.cpp.

References signum(), SQR, TRACE, and TRACEX.

Referenced by Parabelzentrum::fit(), and QRfit::polyfit().

void rdsolve	(	int	spalten,
		double **	R,
		double *	d,
		double *	c,
		double *	x
	)

rdsolve löst das gestaffelte System Rx=c die Diagonale von R liegt in einem extra Vektor d braucht man für diese Implementation der QR-Zerlegung, um ein Gleichungssystem lösen zu können

Definition at line 107 of file matrixutil.cpp.

Referenced by Parabelzentrum::fit(), and QRfit::polyfit().

template<typename T>

void reserve_2D	(	T **&	arr,
		int	xsize,
		int	ysize
	)			[inline]

Definition at line 6 of file matrixutil.hpp.

Referenced by compute_errors(), imgbase< s_x, s_y, T >::imgbase(), Parabelzentrum::Parabelzentrum(), and QRfit::QRfit().

double signum

(

double

a

)

[inline]

Definition at line 25 of file matrixutil.hpp.

Referenced by eichkurve::fsolve(), and QR().