55 lines
1.7 KiB
Plaintext
55 lines
1.7 KiB
Plaintext
---
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title: TrotterizationBase (v0.29)
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description: API reference for qiskit.aqua.operators.evolutions.TrotterizationBase in qiskit v0.29
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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.aqua.operators.evolutions.TrotterizationBase
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---
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# TrotterizationBase
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<Class id="qiskit.aqua.operators.evolutions.TrotterizationBase" isDedicatedPage={true} github="https://github.com/qiskit-community/qiskit-aqua/tree/stable/0.9/qiskit/aqua/operators/evolutions/trotterizations/trotterization_base.py" signature="TrotterizationBase(reps=1)" modifiers="class">
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Bases: `qiskit.aqua.operators.evolutions.evolution_base.EvolutionBase`
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A base for Trotterization methods, algorithms for approximating exponentiations of operator sums by compositions of exponentiations.
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## Methods
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<span id="qiskit-aqua-operators-evolutions-trotterizationbase-convert" />
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### convert
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<Function id="qiskit.aqua.operators.evolutions.TrotterizationBase.convert" signature="TrotterizationBase.convert(operator)" modifiers="abstract">
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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`) – The `SummedOp` to evolve.
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**Return type**
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`OperatorBase`
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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** – A non-SummedOps Operator is passed into `convert`.
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</Function>
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## Attributes
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### reps
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<Attribute id="qiskit.aqua.operators.evolutions.TrotterizationBase.reps">
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The number of repetitions to use in the Trotterization, improving the approximation accuracy.
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**Return type**
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`int`
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</Attribute>
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</Class>
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