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Class JSci.physics.quantum.Operator 

java.lang.Object
   |
   +----JSci.physics.quantum.Operator
public class Operator
extends Object
implements Member, Serializable
The Operator class provides an object for encapsulating quantum mechanical operators.

Variable Index

o representation

Constructor Index

o Operator(ComplexSquareMatrix)
Constructs an operator given a matrix representation.

Method Index

o add(Operator)
Returns the addition of this operator and another.
o dimension()
Returns the dimension.
o equals(Object)
Compares two operators for equality.
o getRepresentation()
Returns the representation.
o hashCode()
Returns a hashcode for this operator.
o isSelfAdjoint()
Returns true if this operator is self-adjoint.
o isUnitary()
Returns true if this operator is unitary.
o multiply(KetVector)
Returns the multiplication of this operator and a ket vector.
o multiply(Operator)
Returns the multiplication of this operator and another.
o subtract(Operator)
Returns the subtraction of this operator and another.
o toString()
Returns a string representing this operator.
o trace()
Returns the trace.

Variables

o representation 
 protected ComplexSquareMatrix representation

Constructors

o Operator 
 public Operator(ComplexSquareMatrix rep)
Constructs an operator given a matrix representation.

Parameters:
rep - a matrix representation

Methods

o equals 
 public boolean equals(Object a)
Compares two operators for equality.

Parameters:
a - an operator
Overrides:
equals in class Object
o toString 
 public String toString()
Returns a string representing this operator.

Overrides:
toString in class Object
o hashCode 
 public int hashCode()
Returns a hashcode for this operator.

Overrides:
hashCode in class Object
o getRepresentation 
 public ComplexSquareMatrix getRepresentation()
Returns the representation.

o isSelfAdjoint 
 public boolean isSelfAdjoint()
Returns true if this operator is self-adjoint.

o isUnitary 
 public boolean isUnitary()
Returns true if this operator is unitary.

o trace 
 public Complex trace()
Returns the trace.

o dimension 
 public int dimension()
Returns the dimension.

o add 
 public Operator add(Operator op)
Returns the addition of this operator and another.

Parameters:
op - an operator
Throws: MatrixDimensionException
If the operators have different dimensions.
o subtract 
 public Operator subtract(Operator op)
Returns the subtraction of this operator and another.

Parameters:
op - an operator
Throws: MatrixDimensionException
If the operators have different dimensions.
o multiply 
 public Operator multiply(Operator op)
Returns the multiplication of this operator and another.

Parameters:
op - an operator
Throws: MatrixDimensionException
If the operators have different dimensions.
o multiply 
 public KetVector multiply(KetVector ket)
Returns the multiplication of this operator and a ket vector.

Parameters:
ket - a ket vector
Throws: DimensionException
If the operator and vector have different dimensions. 
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