Package libai.common.matrix

Class Row

java.lang.Object

libai.common.matrix.Matrix

libai.common.matrix.Row

All Implemented Interfaces:

java.io.Serializable

public class Row
extends Matrix

Row class

See Also:

Column, Matrix, Serialized Form

Field Summary

Fields inherited from class libai.common.matrix.Matrix

columns, matrix, rows

Constructor Summary

Constructors

Constructor	Description
Row(double[] data)	Creates a new row
Row(int c)	Creates a new row
Row(Row copy)	Copy constructor.

Method Summary

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

Row

public Row(int c)

Creates a new row

Parameters:

c - number of columns

Row

public Row(double[] data)

Creates a new row

Parameters:

data - row array

Row

public Row(Row copy)

Copy constructor.

Parameters:

copy - Row to copy

Method Detail

get

public double get(int i)

Retrieves the value of a given column.

Parameters:

i - column number

Returns:

value

Since:

1.2.0-RIDDLER

set

public void set(int i,
                double val)

Sets the value for a given column.

Parameters:

i - column number

val - value

Since:

1.2.0-RIDDLER

random

public static Row random(int c)

New random row.

Parameters:

c - number of columns

Returns:

new Random Column

random

public static Row random(int c,
                         boolean signed)

New random row.

Parameters:

c - number of columns

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

Returns:

new Random Column

random

public static Row random(int c,
                         boolean signed,
                         java.util.Random rand)

New random row.

Parameters:

c - number of columns

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 Column 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(Column result)