66 lines
2.6 KiB
Plaintext
66 lines
2.6 KiB
Plaintext
---
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title: Suzuki
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description: API reference for qiskit.opflow.evolutions.Suzuki
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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.evolutions.Suzuki
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---
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# Suzuki
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<Class id="qiskit.opflow.evolutions.Suzuki" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.45/qiskit/opflow/evolutions/trotterizations/suzuki.py" signature="qiskit.opflow.evolutions.Suzuki(reps=1, order=2)" modifiers="class">
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Bases: [`TrotterizationBase`](qiskit.opflow.evolutions.TrotterizationBase "qiskit.opflow.evolutions.trotterizations.trotterization_base.TrotterizationBase")
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Deprecated: Suzuki Trotter expansion, composing the evolution circuits of each Operator in the sum together by a recursive “bookends” strategy, repeating the whole composed circuit `reps` times.
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Detailed in [https://arxiv.org/pdf/quant-ph/0508139.pdf](https://arxiv.org/pdf/quant-ph/0508139.pdf).
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<Admonition title="Deprecated since version 0.24.0" type="danger">
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The class `qiskit.opflow.evolutions.trotterizations.suzuki.Suzuki` 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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* **reps** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – The number of times to repeat the expansion circuit.
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* **order** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – The order of the expansion to perform.
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## Attributes
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### order
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<Attribute id="qiskit.opflow.evolutions.Suzuki.order">
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returns order
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</Attribute>
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### reps
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<Attribute id="qiskit.opflow.evolutions.Suzuki.reps">
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The number of repetitions to use in the Trotterization, improving the approximation accuracy.
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</Attribute>
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## Methods
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### convert
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<Function id="qiskit.opflow.evolutions.Suzuki.convert" signature="convert(operator)">
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Convert a `SummedOp` into a `ComposedOp` or `CircuitOp` representing an approximation of e^-i\*\`\`op\_sum\`\`.
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**Parameters**
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**operator** ([*OperatorBase*](qiskit.opflow.OperatorBase "qiskit.opflow.operator_base.OperatorBase")) – The `SummedOp` to evolve.
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**Returns**
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The Operator approximating op\_sum’s evolution.
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**Raises**
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[**TypeError**](https://docs.python.org/3/library/exceptions.html#TypeError "(in Python v3.12)") – A non-SummedOps Operator is passed into `convert`.
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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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</Class>
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