51 lines
2.3 KiB
Plaintext
51 lines
2.3 KiB
Plaintext
---
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title: TrotterizationFactory
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description: API reference for qiskit.opflow.evolutions.TrotterizationFactory
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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.TrotterizationFactory
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---
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# qiskit.opflow\.evolutions.TrotterizationFactory
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<Class id="qiskit.opflow.evolutions.TrotterizationFactory" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.17/qiskit/opflow/evolutions/trotterizations/trotterization_factory.py" signature="TrotterizationFactory" modifiers="class">
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A factory for conveniently creating TrotterizationBase instances.
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### \_\_init\_\_
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<Function id="qiskit.opflow.evolutions.TrotterizationFactory.__init__" signature="__init__()">
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Initialize self. See help(type(self)) for accurate signature.
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</Function>
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## Methods
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| -------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------- |
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| [`__init__`](#qiskit.opflow.evolutions.TrotterizationFactory.__init__ "qiskit.opflow.evolutions.TrotterizationFactory.__init__")() | Initialize self. |
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| [`build`](#qiskit.opflow.evolutions.TrotterizationFactory.build "qiskit.opflow.evolutions.TrotterizationFactory.build")(\[mode, reps]) | A factory for conveniently creating TrotterizationBase instances. |
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### build
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<Function id="qiskit.opflow.evolutions.TrotterizationFactory.build" signature="build(mode='trotter', reps=1)" modifiers="static">
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A factory for conveniently creating TrotterizationBase instances.
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**Parameters**
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* **mode** (`str`) – One of ‘trotter’, ‘suzuki’, ‘qdrift’
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* **reps** (`int`) – The number of times to repeat the Trotterization circuit.
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**Return type**
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`TrotterizationBase`
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**Returns**
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The desired TrotterizationBase instance.
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**Raises**
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**ValueError** – A string not in \[‘trotter’, ‘suzuki’, ‘qdrift’] is given for mode.
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</Function>
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</Class>
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