Package libai.common.matrix

Class Column

java.lang.Object

libai.common.matrix.Matrix

libai.common.matrix.Column

All Implemented Interfaces:

java.io.Serializable

public class Column
extends Matrix

Column class

See Also:

Row, Matrix, Serialized Form

Field Summary

Fields inherited from class libai.common.matrix.Matrix

columns, matrix, rows

Constructor Summary

Constructors

Constructor	Description
Column(double[] data)	Creates a new column
Column(int r)	Creates a new column
Column(Column copy)	Copy constructor.

Method Summary

Modifier and Type	Method	Description
double	get(int i)	Retrieves the value of a given row.
static Column	random(int r)	New random column.
static Column	random(int r, boolean signed)	New random column.
static Column	random(int r, boolean signed, java.util.Random rand)	New random column.
void	set(int i, double val)	Sets the value for a given row.
Row	transpose()	Return the transpose of this matrix.
void	transpose(Row result)

Methods inherited from class libai.common.matrix.Matrix

add, apply, applyInIdentity, copy, dotProduct, equals, fill, fill, fill, getCol, getColumns, getDefaultRandom, getRow, getRows, hashCode, increment, multiply, multiply, multiplyAndAdd, position, position, random, random, random, scale, setRow, setValue, solve, subtract, subtractAndCopy, swap, toString, toString, transpose

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Column

public Column(int r)

Creates a new column

Parameters:

r - number of rows

Column

public Column(double[] data)

Creates a new column

Parameters:

data - column array

Column

public Column(Column copy)

Copy constructor.

Parameters:

copy - Column to copy

Method Detail

get

public double get(int i)

Retrieves the value of a given row.

Parameters:

i - row number

Returns:

value

Since:

1.2.0-RIDDLER

set

public void set(int i,
                double val)

Sets the value for a given row.

Parameters:

i - row number

val - value

Since:

1.2.0-RIDDLER

random

public static Column random(int r)

New random column.

Parameters:

r - number of rows

Returns:

new Random Column

random

public static Column random(int r,
                            boolean signed)

New random column.

Parameters:

r - number of rows

signed - false if all the numbers should be positive, false otherwise

Returns:

new Random Column

random

public static Column random(int r,
                            boolean signed,
                            java.util.Random rand)

New random column.

Parameters:

r - number of rows

signed - false if all the numbers should be positive, false otherwise

rand - The Random object used to fill the matrix, if null it will fallback to ThreadLocalRandom#current()

Returns:

new Random Column

transpose

public Row transpose()

Description copied from class: Matrix

Return the transpose of this matrix.

Overrides:

transpose in class Matrix

Returns:

A new matrix with the transpose of this.

transpose

public void transpose(Row result)