125 lines
4.1 KiB
Plaintext
125 lines
4.1 KiB
Plaintext
---
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title: TaperedPauliSumOp
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description: API reference for qiskit.opflow.primitive_ops.TaperedPauliSumOp
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.opflow.primitive_ops.TaperedPauliSumOp
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---
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# TaperedPauliSumOp
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<Class id="qiskit.opflow.primitive_ops.TaperedPauliSumOp" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.24/qiskit/opflow/primitive_ops/tapered_pauli_sum_op.py" signature="TaperedPauliSumOp(*args, **kwargs)" modifiers="class">
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Bases: [`PauliSumOp`](qiskit.opflow.primitive_ops.PauliSumOp "qiskit.opflow.primitive_ops.pauli_sum_op.PauliSumOp")
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Deprecated: Class for PauliSumOp after tapering
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<Admonition title="Deprecated since version 0.24.0" type="danger">
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The class `qiskit.opflow.primitive_ops.tapered_pauli_sum_op.TaperedPauliSumOp` is deprecated as of qiskit-terra 0.24.0. It will be removed no earlier than 3 months after the release date. For code migration guidelines, visit [https://qisk.it/opflow\_migration](https://qisk.it/opflow_migration).
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</Admonition>
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**Parameters**
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* **primitive** – The SparsePauliOp which defines the behavior of the underlying function.
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* **z2\_symmetries** – Z2 symmetries which the Operator has.
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* **coeff** – A coefficient multiplying the primitive.
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**Raises**
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**TypeError** – invalid parameters.
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## Methods Defined Here
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<span id="qiskit-opflow-primitive-ops-taperedpaulisumop-assign-parameters" />
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### assign\_parameters
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<Function id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.assign_parameters" signature="TaperedPauliSumOp.assign_parameters(param_dict)">
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Binds scalar values to any Terra `Parameters` in the coefficients or primitives of the Operator, or substitutes one `Parameter` for another. This method differs from Terra’s `assign_parameters` in that it also supports lists of values to assign for a give `Parameter`, in which case self will be copied for each parameterization in the binding list(s), and all the copies will be returned in an `OpList`. If lists of parameterizations are used, every `Parameter` in the param\_dict must have the same length list of parameterizations.
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**Parameters**
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**param\_dict** (*dict*) – The dictionary of `Parameters` to replace, and values or lists of values by which to replace them.
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**Returns**
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The `OperatorBase` with the `Parameters` in self replaced by the values or `Parameters` in param\_dict. If param\_dict contains parameterization lists, this `OperatorBase` is an `OpList`.
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**Return type**
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[*OperatorBase*](qiskit.opflow.OperatorBase "qiskit.opflow.operator_base.OperatorBase")
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</Function>
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## Attributes
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### INDENTATION
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.INDENTATION" attributeValue="' '" />
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### coeff
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.coeff">
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The scalar coefficient multiplying the Operator.
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**Returns**
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The coefficient.
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</Attribute>
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### coeffs
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.coeffs">
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Return the Pauli coefficients.
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</Attribute>
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### grouping\_type
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.grouping_type">
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Type of Grouping
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**Type**
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Returns
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</Attribute>
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### instance\_id
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.instance_id">
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Return the unique instance id.
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</Attribute>
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### num\_qubits
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.num_qubits" />
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### parameters
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.parameters" />
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### primitive
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.primitive" attributeTypeHint="SparsePauliOp">
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The primitive defining the underlying function of the Operator.
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**Returns**
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The primitive object.
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</Attribute>
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### settings
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.settings">
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Return operator settings.
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</Attribute>
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### z2\_symmetries
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<Attribute id="qiskit.opflow.primitive_ops.TaperedPauliSumOp.z2_symmetries">
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Z2 symmetries which the Operator has.
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**Returns**
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The Z2 Symmetries.
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</Attribute>
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</Class>
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