Package org.robwork.sdurw_math

Class EigenDecomposition

java.lang.Object

org.robwork.sdurw_math.EigenDecomposition

public class EigenDecomposition
extends java.lang.Object

Type representing a set of eigen values and eigen vectors.

Constructor Summary

Constructors

Constructor	Description
EigenDecomposition(long cPtr, boolean cMemoryOwn)
EigenDecomposition(SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_Eigen__Dynamic_t vectors, SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t values)	Construct new decomposition.

Method Summary

Modifier and Type	Method	Description
void	delete()
static long	getCPtr(EigenDecomposition obj)
double	getEigenValue(long i)	returns the i'th eigenvalue
SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t	getEigenValues()	return all eigenvalues
SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t	getEigenVector(long i)	returns the i'th eigenvector
SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_Eigen__Dynamic_t	getEigenVectors()	returns all eigenvectors as columns in a matrix
void	sort()	sorts the eigen vectors according to their eigen value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EigenDecomposition

public EigenDecomposition(long cPtr,
                          boolean cMemoryOwn)

EigenDecomposition

public EigenDecomposition(SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_Eigen__Dynamic_t vectors,
                          SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t values)

Construct new decomposition.

Parameters:

vectors - [in] the eigen vectors as columns in a matrix.

values - [in] the corresponding eigen values.

Method Detail

getCPtr

public static long getCPtr(EigenDecomposition obj)

delete

public void delete()

getEigenVectors

public SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_Eigen__Dynamic_t getEigenVectors()

returns all eigenvectors as columns in a matrix

Returns:

reference to the matrix.

getEigenVector

public SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t getEigenVector(long i)

returns the i'th eigenvector

Returns:

the eigen vector.

getEigenValues

public SWIGTYPE_p_Eigen__MatrixT_double_Eigen__Dynamic_1_t getEigenValues()

return all eigenvalues

Returns:

the eigen values.

getEigenValue

public double getEigenValue(long i)

returns the i'th eigenvalue

Returns:

the eigenvalue.

sort

public void sort()

sorts the eigen vectors according to their eigen value. The vector with smallest
eigen value has index 0