Package org.robwork.sdurw_math

Class EigenDecomposition_f

java.lang.Object

org.robwork.sdurw_math.EigenDecomposition_f

public class EigenDecomposition_f
extends java.lang.Object

Type representing a set of eigen values and eigen vectors.

Constructor Summary

Constructors

Constructor	Description
EigenDecomposition_f(long cPtr, boolean cMemoryOwn)
EigenDecomposition_f(SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_Eigen__Dynamic_t vectors, SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_1_t values)	Construct new decomposition.

Method Summary

Modifier and Type	Method	Description
void	delete()
static long	getCPtr(EigenDecomposition_f obj)
float	getEigenValue(long i)	returns the i'th eigenvalue
SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_1_t	getEigenValues()	return all eigenvalues
SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_1_t	getEigenVector(long i)	returns the i'th eigenvector
SWIGTYPE_p_Eigen__MatrixT_float_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_f

public EigenDecomposition_f(long cPtr,
                            boolean cMemoryOwn)

EigenDecomposition_f

public EigenDecomposition_f(SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_Eigen__Dynamic_t vectors,
                            SWIGTYPE_p_Eigen__MatrixT_float_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_f obj)

delete

public void delete()

getEigenVectors

public SWIGTYPE_p_Eigen__MatrixT_float_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_float_Eigen__Dynamic_1_t getEigenVector(long i)

returns the i'th eigenvector

Returns:

the eigen vector.

getEigenValues

public SWIGTYPE_p_Eigen__MatrixT_float_Eigen__Dynamic_1_t getEigenValues()

return all eigenvalues

Returns:

the eigen values.

getEigenValue

public float 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