ProGAL.math
Class Matrix3x3

java.lang.Object
  ProGAL.math.Matrix
      ProGAL.math.Matrix3x3

public class Matrix3x3
extends Matrix

Nested Class Summary

Nested classes/interfaces inherited from class ProGAL.math.Matrix

Matrix.EigenvalueDecomposition, Matrix.ImmutableMatrix

Constructor Summary

Matrix3x3()

Matrix3x3(double[][] coords)

Method Summary

Matrix3x3	clone() Returns a clone of this matrix.
double	determinant() Get the determinant of this matrix.
Vector	getColumn(int c)
Vector[]	getEigenvectors() Get the eigenvectors of a 3x3 matrix sorted by decreasing eigenvalue.
Vector	getRow(int r)
Matrix3x3	getTranspose() Get the transpose of this matrix
Matrix	invertThis() Invert this matrix (overwrites this and returns it).

Methods inherited from class ProGAL.math.Matrix

add, addThis, create4x4ColumnMatrix, createColumnMatrix, createIdentityMatrix, createRandomMatrix, createRotationMatrix, createRowMatrix, equals, equals, expand, extend, get, getCoords, getEigenvalueDecomposition, getM, getN, getSubmatrix, invert, isSquare, minor, multiply_Strassen, multiply, multiply, multiply, multiply, multiply, multiplyIn, multiplyIn, multiplyThis, multiplyThis, orthonormalizeThis, reduce, reduceThis, set, setColumn, setRow, setSubmatrix, subtract, subtractThis, toConsole, toConsole, toString, toString, transpose

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Matrix3x3

public Matrix3x3()

Matrix3x3

public Matrix3x3(double[][] coords)

Method Detail

getColumn

public Vector getColumn(int c)

Overrides:

getColumn in class Matrix

getRow

public Vector getRow(int r)

Overrides:

getRow in class Matrix

getTranspose

public Matrix3x3 getTranspose()

Description copied from class: Matrix

Get the transpose of this matrix

Overrides:

getTranspose in class Matrix

determinant

public double determinant()

Get the determinant of this matrix.

Overrides:

determinant in class Matrix

invertThis

public Matrix invertThis()

Invert this matrix (overwrites this and returns it).

Overrides:

invertThis in class Matrix

getEigenvectors

public Vector[] getEigenvectors()

Get the eigenvectors of a 3x3 matrix sorted by decreasing eigenvalue. If the matrix is singular ... TODO: test this.

Returns:

an array containing eigenvectors.

clone

public Matrix3x3 clone()

Description copied from class: Matrix

Returns a clone of this matrix.

Overrides:

clone in class Matrix