LSquares Class Reference

#include <LSquares.H>

Public Member Functions
void	LeastSquares (Real **A, Vector< Real > &x, const Vector< Real > &rhs)
int	gaussElim (Real **A, Vector< Real > &rhs)
	gaussian elimination with partial pivoting More...
void	swapRows (Real **A, const int &rowi, const int &rowj, const int &numberOfCols)
void	swapRows (Vector< Real > &rhs, const int &currRow, const int &pivot)
int	findPivot (Real **A, const int &currCol, const int &currRow, const int &numRows, int &pivot)
void	addRows (Vector< Real > &rhs, const int &rowi, const Real &alpha, const int &rowj)
void	addRows (Real **A, const int &rowi, const Real &alpha, const int &rowj, const int &numberOfCols)
void	timesBeta (Vector< Real > &rhs, const int &currRow, const Real &Beta)
void	timesBeta (Real **A, const int &rowi, const Real &Beta, const int &numberOfcols)
void	transpose (Real **a_A, Real **a_Atrans, const int &a_numRows, const int &a_numCols)
void	matMul (Real **a_A, Real **a_B, Real **a_C, const int &a_numRowsA, const int &a_numColsA, const int &a_numColsB)
void	backSolve (Real **a_A, const Vector< Real > &a_rhs, const int &a_numArows, Vector< Real > &a_x)
void	AtimesX (Real **A, const Vector< Real > &x, const int &numRowsA, Vector< Real > &Ax)
void	allocArray (const int &rows, const int &cols, Real **&A)
void	freeArray (const int &rows, const int &cols, Real **&A)
void	output (const int &rows, const int &cols, Real **&A, char *name)
	outputs a matrix A More...

Detailed Description

This class solves least squares problems

Member Function Documentation

LeastSquares()

void LSquares::LeastSquares	(	Real **	A,
		Vector< Real > &	x,
		const Vector< Real > &	rhs
	)

Referenced by LSProblem< dim >::invertNormalEq().

gaussElim()

int LSquares::gaussElim	(	Real **	A,
		Vector< Real > &	rhs
	)

gaussian elimination with partial pivoting

swapRows() [1/2]

void LSquares::swapRows	(	Real **	A,
		const int &	rowi,
		const int &	rowj,
		const int &	numberOfCols
	)

swapRows() [2/2]

void LSquares::swapRows	(	Vector< Real > &	rhs,
		const int &	currRow,
		const int &	pivot
	)

findPivot()

int LSquares::findPivot	(	Real **	A,
		const int &	currCol,
		const int &	currRow,
		const int &	numRows,
		int &	pivot
	)

addRows() [1/2]

void LSquares::addRows	(	Vector< Real > &	rhs,
		const int &	rowi,
		const Real &	alpha,
		const int &	rowj
	)

addRows() [2/2]

void LSquares::addRows	(	Real **	A,
		const int &	rowi,
		const Real &	alpha,
		const int &	rowj,
		const int &	numberOfCols
	)

timesBeta() [1/2]

void LSquares::timesBeta	(	Vector< Real > &	rhs,
		const int &	currRow,
		const Real &	Beta
	)

timesBeta() [2/2]

void LSquares::timesBeta	(	Real **	A,
		const int &	rowi,
		const Real &	Beta,
		const int &	numberOfcols
	)

transpose()

void LSquares::transpose	(	Real **	a_A,
		Real **	a_Atrans,
		const int &	a_numRows,
		const int &	a_numCols
	)

matMul()

void LSquares::matMul	(	Real **	a_A,
		Real **	a_B,
		Real **	a_C,
		const int &	a_numRowsA,
		const int &	a_numColsA,
		const int &	a_numColsB
	)

backSolve()

void LSquares::backSolve	(	Real **	a_A,
		const Vector< Real > &	a_rhs,
		const int &	a_numArows,
		Vector< Real > &	a_x
	)

AtimesX()

void LSquares::AtimesX	(	Real **	A,
		const Vector< Real > &	x,
		const int &	numRowsA,
		Vector< Real > &	Ax
	)

allocArray()

void LSquares::allocArray	(	const int &	rows,
		const int &	cols,
		Real **&	A
	)

freeArray()

void LSquares::freeArray	(	const int &	rows,
		const int &	cols,
		Real **&	A
	)

output()

void LSquares::output	(	const int &	rows,
		const int &	cols,
		Real **&	A,
		char *	name
	)

outputs a matrix A

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

• LSquares.H