Matrix3 Class Reference

3x3 Matrix More...

#include <Matrix3.h>

List of all members.

Public Member Functions
MATRIX3_INLINE	Matrix3 (const Vec3 &, const Vec3 &, const Vec3 &)
MATRIX3_INLINE	Matrix3 (const double[3][3])
MATRIX3_INLINE	Matrix3 (const Matrix3 &)
MATRIX3_INLINE double	det ()
Vec3	solve (const Vec3 &) const
Vec3	solve_homogeneous () const
void	invert ()
	in-situ inversion
MATRIX3_INLINE Matrix3	inv ()
	return inverse;
MATRIX3_INLINE void	transpose ()
	transpose in situ
MATRIX3_INLINE Matrix3	trans () const
	return transposed
MATRIX3_INLINE Vec3	operator* (const Vec3 &) const
MATRIX3_INLINE Matrix3	operator* (double) const
MATRIX3_INLINE Matrix3	operator/ (double) const
MATRIX3_INLINE Matrix3	operator* (const Matrix3 &) const
MATRIX3_INLINE Matrix3 &	operator+= (const Matrix3 &)
MATRIX3_INLINE Matrix3	operator+ (const Matrix3 &) const
MATRIX3_INLINE Matrix3	operator- (const Matrix3 &) const
MATRIX3_INLINE bool	operator== (const Matrix3 &) const
MATRIX3_INLINE Matrix3 &	operator= (const Matrix3 &)
MATRIX3_INLINE double	trace () const
MATRIX3_INLINE double	norm () const
MATRIX3_INLINE double	operator() (int i, int j) const
MATRIX3_INLINE double &	operator() (int i, int j)
void	eigen (Vec3 &, Vec3 &, Vec3 &, double &, double &, double &)
Static Public Member Functions
static MATRIX3_INLINE Matrix3	Unit ()
	eigenvectors, eigenvalues
Friends
MATRIX3_INLINE friend Matrix3	operator* (double, const Matrix3 &)
	generate matrix from vector
MATRIX3_INLINE friend Matrix3	star (const Vec3 &)
	generate unit matrix
MATRIX3_INLINE friend ostream &	operator<< (ostream &, const Matrix3 &)

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Detailed Description

3x3 Matrix

Author:

Steffen Abe $Revision$ $Date$

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Member Function Documentation

MATRIX3_INLINE double Matrix3::det

(

)

Determinant

Referenced by eigen().

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void Matrix3::eigen	(	Vec3 &	v1,
		Vec3 &	v2,
		Vec3 &	v3,
		double &	e1,
		double &	e2,
		double &	e3
	)

calculate eigenvectors & eigenvalues

Returns:

v1 eigenvector with largest eigenvalue

v2 eigenvector with middle eigenvalue

v3 eigenvector with smalles eigenvalue

e1 largest eigenvalue

e2 middle eigenvalue

e3 smalles eigenvalue

References det(), CubicEquation::getRealRoots(), solve_homogeneous(), and Unit().

Referenced by PointCloud::getFitPlane().

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MATRIX3_INLINE double Matrix3::norm

(

)

const

calculate the euclidian norm of a matrix

MATRIX3_INLINE Matrix3 Matrix3::operator+

(

const Matrix3 &

rhs

)

const

add two matrices

MATRIX3_INLINE Matrix3 Matrix3::operator-

(

const Matrix3 &

rhs

)

const

subtract two matrices

Vec3 Matrix3::solve_homogeneous

(

)

const

Solve the homogeneous system Mx=(0,0,0). It is assumed that rank(M)=2. A unit vector is returned;

Referenced by eigen().

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MATRIX3_INLINE double Matrix3::trace

(

)

const

calculate the trace of a matrix

Referenced by CParticle::sigma_d().

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Friends And Related Function Documentation

MATRIX3_INLINE friend Matrix3 operator*	(	double	d,
		const Matrix3 &	M
	)		[friend]

generate matrix from vector

scalar * matrix

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

• Matrix3.h
• Matrix3.cpp
• Matrix3.hpp