Package edu.cmu.tetrad.util

Class Vector

java.lang.Object

edu.cmu.tetrad.util.Vector

All Implemented Interfaces:

TetradSerializable, Serializable

public class Vector
extends Object
implements TetradSerializable

Vector wrapping matrix library.

Version:

$Id: $Id

Author:

josephramsey

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Vector(double[] data)	Constructs a new Vector object from an array of double values.
Vector(int size)	Constructs a new Vector object with the specified size.
Vector(org.apache.commons.math3.linear.RealVector v)	Creates a new Vector object from a RealVector object.

Method Summary

Modifier and Type	Method	Description
void	assign(double value)	assign.
void	assign(Vector vector)	assign.
Vector	copy()	copy.
Matrix	diag()	diag.
double	dot(Vector v2)	dot.
double	dotProduct(Vector v2)	dotProduct.
boolean	equals(Object o)
double	get(int i)	get.
Vector	getSelection(int[] selection)	viewSelection.
Vector	like()	like.
Vector	minus(Vector mb)	minus.
Vector	plus(Vector mb)	plus.
Vector	scalarMult(double scalar)	scalarMult.
static Vector	serializableInstance()	Generates a simple exemplar of this class to test serialization.
void	set(int j, double v)	set.
int	size()	size.
double[]	toArray()	toArray.
String	toString()	toString.

Methods inherited from class java.lang.Object

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

Constructor Details

Vector

public Vector(double[] data)

Constructs a new Vector object from an array of double values.

Parameters:

data - the array of double values used to initialize the Vector object

Vector

public Vector(org.apache.commons.math3.linear.RealVector v)

Creates a new Vector object from a RealVector object.

Parameters:

v - the RealVector object to be used for creating the Vector object

Vector

public Vector(int size)

Constructs a new Vector object with the specified size.

Parameters:

size - the size of the vector

Throws:

IllegalArgumentException - if the size is negative

Method Details

serializableInstance

public static Vector serializableInstance()

Generates a simple exemplar of this class to test serialization.

Returns:

a Vector object

assign

public void assign(double value)

assign.

Parameters:

value - a double

assign

public void assign(Vector vector)

assign.

Parameters:

vector - a Vector object

copy

public Vector copy()

copy.

Returns:

a Vector object

diag

public Matrix diag()

diag.

Returns:

a Matrix object

dotProduct

public double dotProduct(Vector v2)

dotProduct.

Parameters:

v2 - a Vector object

Returns:

a double

get

public double get(int i)

get.

Parameters:

i - a int

Returns:

a double

like

public Vector like()

like.

Returns:

a Vector object

minus

public Vector minus(Vector mb)

minus.

Parameters:

mb - a Vector object

Returns:

a Vector object

plus

public Vector plus(Vector mb)

plus.

Parameters:

mb - a Vector object

Returns:

a Vector object

scalarMult

public Vector scalarMult(double scalar)

scalarMult.

Parameters:

scalar - a double

Returns:

a Vector object

set

public void set(int j,
 double v)

set.

Parameters:

j - a int

v - a double

size

public int size()

size.

Returns:

a int

toArray

public double[] toArray()

toArray.

Returns:

an array of objects

toString

public String toString()

toString.

Overrides:

toString in class Object

Returns:

a String object

getSelection

public Vector getSelection(int[] selection)

viewSelection.

Parameters:

selection - an array of objects

Returns:

a Vector object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

dot

public double dot(Vector v2)

dot.

Parameters:

v2 - a Vector object

Returns:

a double