jsci.physics.quantum

Class BraVector

java.lang.Object

jsci.maths.vectors.MathVector

jsci.physics.quantum.BraVector

All Implemented Interfaces:

java.io.Serializable, Module.Member, AbelianGroup.Member, Member

public final class BraVector
extends MathVector

The BraVector class provides an object for encapsulating Dirac bra vectors.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BraVector(AbstractComplexVector rep) Constructs a bra vector given a vector representation.

Method Summary

Modifier and Type	Method and Description
AbelianGroup.Member	add(AbelianGroup.Member v) Returns the addition of this vector and another.
BraVector	add(BraVector v) Returns the addition of this vector and another.
boolean	equals(java.lang.Object a) Compares two bra vectors for equality.
AbstractComplexVector	getRepresentation() Returns the representation.
java.lang.Object	getSet()
int	hashCode() Returns a hashcode for this bra vector.
Complex	multiply(KetVector ket) Returns the multiplication of this bra vector and a ket vector.
BraVector	multiply(Operator op) Returns the multiplication of this bra vector and an operator.
AbelianGroup.Member	negate() Returns the negative of this vector.
double	norm() Returns the norm.
Module.Member	scalarMultiply(Ring.Member x) Returns the multiplication of this bra vector by a scalar.
AbelianGroup.Member	subtract(AbelianGroup.Member v) Returns the subtraction of this vector by another.
BraVector	subtract(BraVector v) Returns the subtraction of this vector by another.
KetVector	toKetVector() Map this bra vector to a ket vector.
java.lang.String	toString() Returns a comma delimited string representing the value of this bra vector.

Methods inherited from class jsci.maths.vectors.MathVector

dimension

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BraVector

public BraVector(AbstractComplexVector rep)

Constructs a bra vector given a vector representation.

Parameters:

rep - a vector representation

Method Detail

equals

public boolean equals(java.lang.Object a)

Compares two bra vectors for equality.

Overrides:

equals in class java.lang.Object

Parameters:

a - a bra vector

toString

public java.lang.String toString()

Returns a comma delimited string representing the value of this bra vector.

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Returns a hashcode for this bra vector.

Overrides:

hashCode in class java.lang.Object

toKetVector

public KetVector toKetVector()

Map this bra vector to a ket vector.

getRepresentation

public AbstractComplexVector getRepresentation()

Returns the representation.

norm

public double norm()

Returns the norm.

Specified by:

norm in class MathVector

getSet

public java.lang.Object getSet()

negate

public AbelianGroup.Member negate()

Returns the negative of this vector.

add

public AbelianGroup.Member add(AbelianGroup.Member v)

Returns the addition of this vector and another.

Parameters:

v - a group member

add

public BraVector add(BraVector v)

Returns the addition of this vector and another.

Parameters:

v - a bra vector

Throws:

VectorDimensionException - If the vectors are different sizes.

subtract

public AbelianGroup.Member subtract(AbelianGroup.Member v)

Returns the subtraction of this vector by another.

Parameters:

v - a group member

subtract

public BraVector subtract(BraVector v)

Returns the subtraction of this vector by another.

Parameters:

v - a bra vector

Throws:

VectorDimensionException - If the vectors are different sizes.

scalarMultiply

public Module.Member scalarMultiply(Ring.Member x)

Returns the multiplication of this bra vector by a scalar.

Parameters:

x - a ring member

multiply

public Complex multiply(KetVector ket)

Returns the multiplication of this bra vector and a ket vector.

Parameters:

ket - a ket vector

Throws:

VectorDimensionException - If the vectors have different dimensions.

multiply

public BraVector multiply(Operator op)

Returns the multiplication of this bra vector and an operator.

Parameters:

op - an operator

Throws:

DimensionException - If the operator and vector have different dimensions.