C# Class MapAround.MathUtils.SvdDecomposer

Performs singular decomposition of matrix.

显示文件 Open project: gkrsu/maparound.core Class Usage Examples

Public Methods

Method	Description
CalcDecomposition ( double A, int m, int n, double w, int matu, double U, int matv, double V, int &ierr ) : void	Calculates a singular value decomposition of the matrix.
Solve ( double A, double b, double x ) : void	Solves a linear equations system (A * x = B).

Private Methods

Method	Description
dSign ( double a, double b ) : double
svdLeastSquares ( double U, double w, double V, int m, int n, double b, double x ) : void

Method Details

CalcDecomposition() public static method

Calculates a singular value decomposition of the matrix.

public static CalcDecomposition ( double A, int m, int n, double w, int matu, double U, int matv, double V, int &ierr ) : void
A	double	Matrix
m	int	A row number of the matrix A
n	int	A column number of the matrix A
w	double	Vector of singular values
matu	int
U	double	First matrix in decomposition
matv	int
V	double	Third matrix in decomposition
ierr	int
return	void

Solve() public static method

Solves a linear equations system (A * x = B).

public static Solve ( double A, double b, double x ) : void
A	double	The Matrix A
b	double	The vector B
x	double	The vector x
return	void