org.carrot2.mahout.math

Class AbstractMatrix

java.lang.Object

org.carrot2.mahout.math.AbstractMatrix

All Implemented Interfaces:

Cloneable, Iterable<MatrixSlice>, Matrix, VectorIterable

Direct Known Subclasses:

DenseMatrix, MatrixView

public abstract class AbstractMatrix
extends Object
implements Matrix

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	AbstractMatrix.TransposeViewVector

Field Summary

Fields

Modifier and Type	Field and Description
static int	COL
protected Map<String,Integer>	columnLabelBindings
protected int	columns
static int	ROW
protected Map<String,Integer>	rowLabelBindings
protected int	rows

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMatrix(int rows, int columns)

Method Summary

Modifier and Type	Method and Description
double	aggregate(DoubleDoubleFunction combiner, DoubleFunction mapper)
Vector	aggregateColumns(VectorFunction f)
Vector	aggregateRows(VectorFunction f)
String	asFormatString()
Matrix	assign(double value)
Matrix	assign(double[][] values)
Matrix	assign(DoubleFunction function)
Matrix	assign(Matrix other)
Matrix	assign(Matrix other, DoubleDoubleFunction function)
Matrix	clone()
int	columnSize()
double	determinant()
Matrix	divide(double x)
double	get(int row, int column)
double	get(String rowLabel, String columnLabel)
Map<String,Integer>	getColumnLabelBindings()
int[]	getNumNondefaultElements()
Map<String,Integer>	getRowLabelBindings()
Iterator<MatrixSlice>	iterateAll()
Iterator<MatrixSlice>	iterator()
Matrix	minus(Matrix other)
int	numCols()
int	numRows()
int	numSlices()
Matrix	plus(double x)
Matrix	plus(Matrix other)
int	rowSize()
void	set(int row, double[] data)
void	set(int row, int column, double value)
void	set(String rowLabel, double[] rowData)
void	set(String rowLabel, int row, double[] rowData)
void	set(String rowLabel, String columnLabel, double value)
void	set(String rowLabel, String columnLabel, int row, int column, double value)
void	setColumnLabelBindings(Map<String,Integer> bindings)
void	setRowLabelBindings(Map<String,Integer> bindings)
Matrix	times(double x)
Matrix	times(Matrix other)
Vector	times(Vector v)
Vector	timesSquared(Vector v)
Matrix	transpose()
Vector	viewColumn(int column)
Vector	viewDiagonal()
Matrix	viewPart(int rowOffset, int rowsRequested, int columnOffset, int columnsRequested)
Vector	viewRow(int row)
double	zSum()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.carrot2.mahout.math.Matrix

assignColumn, assignRow, getQuick, like, like, setQuick, viewPart

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

columnLabelBindings

protected Map<String,Integer> columnLabelBindings

rowLabelBindings

protected Map<String,Integer> rowLabelBindings

rows

protected int rows

columns

protected int columns

COL

public static final int COL

See Also:

Constant Field Values

ROW

public static final int ROW

See Also:

Constant Field Values

Constructor Detail

AbstractMatrix

protected AbstractMatrix(int rows,
                         int columns)

Method Detail

columnSize

public int columnSize()

Specified by:

columnSize in interface Matrix

rowSize

public int rowSize()

Specified by:

rowSize in interface Matrix

iterator

public Iterator<MatrixSlice> iterator()

Specified by:

iterator in interface Iterable<MatrixSlice>

iterateAll

public Iterator<MatrixSlice> iterateAll()

Specified by:

iterateAll in interface VectorIterable

numSlices

public int numSlices()

Specified by:

numSlices in interface VectorIterable

get

public double get(String rowLabel,
                  String columnLabel)

Specified by:

get in interface Matrix

getColumnLabelBindings

public Map<String,Integer> getColumnLabelBindings()

Specified by:

getColumnLabelBindings in interface Matrix

getRowLabelBindings

public Map<String,Integer> getRowLabelBindings()

Specified by:

getRowLabelBindings in interface Matrix

set

public void set(String rowLabel,
                double[] rowData)

Specified by:

set in interface Matrix

set

public void set(String rowLabel,
                int row,
                double[] rowData)

Specified by:

set in interface Matrix

set

public void set(String rowLabel,
                String columnLabel,
                double value)

Specified by:

set in interface Matrix

set

public void set(String rowLabel,
                String columnLabel,
                int row,
                int column,
                double value)

Specified by:

set in interface Matrix

setColumnLabelBindings

public void setColumnLabelBindings(Map<String,Integer> bindings)

Specified by:

setColumnLabelBindings in interface Matrix

setRowLabelBindings

public void setRowLabelBindings(Map<String,Integer> bindings)

Specified by:

setRowLabelBindings in interface Matrix

numRows

public int numRows()

Specified by:

numRows in interface VectorIterable

numCols

public int numCols()

Specified by:

numCols in interface VectorIterable

asFormatString

public String asFormatString()

Specified by:

asFormatString in interface Matrix

assign

public Matrix assign(double value)

Specified by:

assign in interface Matrix

assign

public Matrix assign(double[][] values)

Specified by:

assign in interface Matrix

assign

public Matrix assign(Matrix other,
                     DoubleDoubleFunction function)

Specified by:

assign in interface Matrix

assign

public Matrix assign(Matrix other)

Specified by:

assign in interface Matrix

assign

public Matrix assign(DoubleFunction function)

Specified by:

assign in interface Matrix

aggregateRows

public Vector aggregateRows(VectorFunction f)

Specified by:

aggregateRows in interface Matrix

viewRow

public Vector viewRow(int row)

Specified by:

viewRow in interface Matrix

viewColumn

public Vector viewColumn(int column)

Specified by:

viewColumn in interface Matrix

viewDiagonal

public Vector viewDiagonal()

Specified by:

viewDiagonal in interface Matrix

aggregate

public double aggregate(DoubleDoubleFunction combiner,
                        DoubleFunction mapper)

Specified by:

aggregate in interface Matrix

aggregateColumns

public Vector aggregateColumns(VectorFunction f)

Specified by:

aggregateColumns in interface Matrix

determinant

public double determinant()

Specified by:

determinant in interface Matrix

clone

public Matrix clone()

Specified by:

clone in interface Matrix

Overrides:

clone in class Object

divide

public Matrix divide(double x)

Specified by:

divide in interface Matrix

get

public double get(int row,
                  int column)

Specified by:

get in interface Matrix

minus

public Matrix minus(Matrix other)

Specified by:

minus in interface Matrix

plus

public Matrix plus(double x)

Specified by:

plus in interface Matrix

plus

public Matrix plus(Matrix other)

Specified by:

plus in interface Matrix

set

public void set(int row,
                int column,
                double value)

Specified by:

set in interface Matrix

set

public void set(int row,
                double[] data)

Specified by:

set in interface Matrix

times

public Matrix times(double x)

Specified by:

times in interface Matrix

times

public Matrix times(Matrix other)

Specified by:

times in interface Matrix

times

public Vector times(Vector v)

Specified by:

times in interface VectorIterable

timesSquared

public Vector timesSquared(Vector v)

Specified by:

timesSquared in interface VectorIterable

transpose

public Matrix transpose()

Specified by:

transpose in interface Matrix

viewPart

public Matrix viewPart(int rowOffset,
                       int rowsRequested,
                       int columnOffset,
                       int columnsRequested)

Specified by:

viewPart in interface Matrix

zSum

public double zSum()

Specified by:

zSum in interface Matrix

getNumNondefaultElements

public int[] getNumNondefaultElements()

Specified by:

getNumNondefaultElements in interface Matrix