Package com.jme3.math

Class Eigen3f

java.lang.Object

com.jme3.math.Eigen3f

All Implemented Interfaces:

Serializable

public class Eigen3f
extends Object
implements Serializable

A calculator for the eigenvectors and eigenvalues of a Matrix3f.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Eigen3f()	Instantiate an empty calculator.
Eigen3f(Matrix3f data)	Calculate the eigenvalues and eigenvectors of the specified matrix.

Method Summary

Modifier and Type	Method	Description
void	calculateEigen(Matrix3f data)	Calculate the eigenvalues and eigenvectors of the specified matrix.
float	getEigenValue(int i)	Read the indexed eigenvalue.
float[]	getEigenValues()	Access the array of eigenvalues.
Vector3f	getEigenVector(int i)	Access the indexed eigenvector.
Vector3f[]	getEigenVectors()	Access the array of eigenvectors.
static void	main(String[] args)	Test the Eigen3f class.

Methods inherited from class java.lang.Object

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

Constructor Details

Eigen3f

public Eigen3f()

Instantiate an empty calculator.

Eigen3f

public Eigen3f(Matrix3f data)

Calculate the eigenvalues and eigenvectors of the specified matrix.

Parameters:

data - the input Matrix3f

Method Details

calculateEigen

public void calculateEigen(Matrix3f data)

Calculate the eigenvalues and eigenvectors of the specified matrix.

Parameters:

data - the input Matrix3f

main

public static void main(String[] args)

Test the Eigen3f class.

Parameters:

args - ignored

getEigenValue

public float getEigenValue(int i)

Read the indexed eigenvalue.

Parameters:

i - which value to read (0, 1, or 2)

Returns:

the previously calculated eigenvalue

getEigenVector

public Vector3f getEigenVector(int i)

Access the indexed eigenvector.

Parameters:

i - which vector to read (0, 1, or 2)

Returns:

the pre-existing eigenvector

getEigenValues

public float[] getEigenValues()

Access the array of eigenvalues.

Returns:

the pre-existing array

getEigenVectors

public Vector3f[] getEigenVectors()

Access the array of eigenvectors.

Returns:

the pre-existing array of vectors