qml.data.DatasetOperator¶

class DatasetOperator(value=<UnsetType.UNSET: 'UNSET'>, info=None, *, bind=None, parent_and_key=None)[source]¶

Bases: Generic[pennylane.data.attributes.operator.operator.Op], pennylane.data.base.attribute.DatasetAttribute[collections.abc.MutableMapping, pennylane.data.attributes.operator.operator.Op, pennylane.data.attributes.operator.operator.Op]

DatasetAttribute for pennylane.operation.Operator classes.

Supports all operator types that meet the following conditions:

The __init__() method matches the signature of Operator.__init__,
or any additional arguments are optional and do not affect the value of the operator
The data and wires attributes will produce an identical copy of
operator if passed into the classes’ __init__() method. Generally, this means __init__() do not mutate the identifiers and wires arguments.
Hyperparameters are not used or are automatically derived by __init__().

Almost all operators meet these conditions. This type also supports serializing the Hamiltonian and Tensor operators.

Attributes

`bind`	Returns the HDF5 object that contains this attribute’s data.
`info`	Returns the `AttributeInfo` for this attribute.
`registry`	Maps type_ids to their DatasetAttribute classes.
`type_consumer_registry`	Maps types to their default DatasetAttribute
`type_id`

bind¶: Returns the HDF5 object that contains this attribute’s data.

info¶: Returns the AttributeInfo for this attribute.

registry: Mapping[str, Type[pennylane.data.base.attribute.DatasetAttribute]] = mappingproxy({'dataset': <class 'pennylane.data.base.dataset._DatasetAttributeType'>, 'array': <class 'pennylane.data.attributes.array.DatasetArray'>, 'dict': <class 'pennylane.data.attributes.dictionary.DatasetDict'>, 'json': <class 'pennylane.data.attributes.json.DatasetJSON'>, 'list': <class 'pennylane.data.attributes.list.DatasetList'>, 'molecule': <class 'pennylane.data.attributes.molecule.DatasetMolecule'>, 'none': <class 'pennylane.data.attributes.none.DatasetNone'>, 'operator': <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, 'scalar': <class 'pennylane.data.attributes.scalar.DatasetScalar'>, 'sparse_array': <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, 'string': <class 'pennylane.data.attributes.string.DatasetString'>, 'tuple': <class 'pennylane.data.attributes.tuple.DatasetTuple'>})¶: Maps type_ids to their DatasetAttribute classes.

type_consumer_registry: Mapping[type, Type[pennylane.data.base.attribute.DatasetAttribute]] = mappingproxy({<class 'pennylane.qchem.molecule.Molecule'>: <class 'pennylane.data.attributes.molecule.DatasetMolecule'>, <class 'NoneType'>: <class 'pennylane.data.attributes.none.DatasetNone'>, <class 'pennylane.ops.qutrit.observables.THermitian'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.SWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.CPhaseShift01'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.state_preparation.QubitStateVector'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.FermionicSWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.QuadOperator'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.operation.Tensor'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CCZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qutrit.non_parametric_ops.TClock'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CRZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.GaussianState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.ControlledAddition'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.ControlledPhaseShift'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.TensorN'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.ECR'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.state_preparation.QubitDensityMatrix'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.hamiltonian.Hamiltonian'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.S'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.Beamsplitter'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.PhaseFlip'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qutrit.non_parametric_ops.TAdd'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.FockState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.identity.Identity'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.CPhaseShift10'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.U1'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.PolyXP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.InterferometerUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.PauliY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.ControlledPhase'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CH'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.RY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.state_preparation.BasisState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.FockDensityMatrix'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.AmplitudeDamping'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.SingleExcitationPlus'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.FockStateProjector'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.Rotation'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qutrit.matrix_ops.QutritUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.PhaseShift'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CRX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.matrix_ops.DiagonalQubitUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.state_preparation.StatePrep'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.NumberOperator'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.RZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.CatState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qutrit.non_parametric_ops.TSWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.SISWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.arithmetic_ops.QubitSum'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.ControlledQubitUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.U2'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.BitFlip'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.PauliZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.IsingXX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.DoubleExcitation'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.Hadamard'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.TwoModeSqueezing'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.Squeezing'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.ThermalRelaxationError'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.CoherentState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.observables.Projector'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.DoubleExcitationPlus'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.ResetError'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.PSWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.meta.WireCut'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CNOT'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.T'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.RX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.IsingYY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.MultiRZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.CrossKerr'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.GeneralizedAmplitudeDamping'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.QuadP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.SqueezedState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.Kerr'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.PhaseDamping'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qutrit.non_parametric_ops.TShift'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.SingleExcitation'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.QuadX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.SX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.IsingZZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CZ'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.U3'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_single_qubit.Rot'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.observables.Hermitian'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.CPhaseShift00'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.Toffoli'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.DisplacedSqueezedState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.DoubleExcitationMinus'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.DepolarizingChannel'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.matrix_ops.QubitUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.arithmetic_ops.QubitCarry'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.channel.PauliError'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.QuadraticPhase'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.parametric_ops_multi_qubit.IsingXY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.SingleExcitationMinus'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.Displacement'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CRot'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.qchem_ops.OrbitalRotation'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.FockStateVector'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.non_parametric_ops.PauliX'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CSWAP'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.cv.ThermalState'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.op_math.controlled_ops.CRY'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'pennylane.ops.qubit.special_unitary.SpecialUnitary'>: <class 'pennylane.data.attributes.operator.operator.DatasetOperator'>, <class 'scipy.sparse._bsr.bsr_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._coo.coo_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._csc.csc_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._csr.csr_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._dia.dia_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._dok.dok_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._lil.lil_array'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._csc.csc_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._csr.csr_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._bsr.bsr_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._coo.coo_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._dia.dia_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._dok.dok_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'scipy.sparse._lil.lil_matrix'>: <class 'pennylane.data.attributes.sparse_array.DatasetSparseArray'>, <class 'str'>: <class 'pennylane.data.attributes.string.DatasetString'>, <class 'tuple'>: <class 'pennylane.data.attributes.tuple.DatasetTuple'>})¶: Maps types to their default DatasetAttribute

type_id: ClassVar[str] = 'operator'¶

Methods

`consumes_types`()	Returns an iterable of types for which this should be the default codec.
`copy_value`()	Deserializes the mapped value from `bind`, and also perform a ‘deep-copy’ of any nested values contained in `bind`.
`default_value`()	Returns a valid default value for this type, or `UNSET` if this type must be initialized with a value.
`get_value`()	Deserializes the mapped value from `bind`.
`hdf5_to_value`(bind)	Parses bind into Python object.
`py_type`(value_type)	Determines the `py_type` of an attribute during value initialization, if it was not provided in the `info` argument.
`value_to_hdf5`(bind_parent, key, value)	Converts value into a HDF5 Array or Group under bind_parent[key].

classmethod consumes_types()[source]¶: Returns an iterable of types for which this should be the default codec. If a value of one of these types is assigned to a Dataset without specifying a type_id, this type will be used.

copy_value()¶: Deserializes the mapped value from bind, and also perform a ‘deep-copy’ of any nested values contained in bind.

classmethod default_value()¶: Returns a valid default value for this type, or UNSET if this type must be initialized with a value.

get_value()¶: Deserializes the mapped value from bind.

hdf5_to_value(bind)[source]¶: Parses bind into Python object.

classmethod py_type(value_type)¶: Determines the py_type of an attribute during value initialization, if it was not provided in the info argument. This method returns f"{value_type.__module__}.{value_type.__name__}.

value_to_hdf5(bind_parent, key, value)[source]¶: Converts value into a HDF5 Array or Group under bind_parent[key].

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