32 lines
2.4 KiB
Plaintext
32 lines
2.4 KiB
Plaintext
---
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title: state_fidelities
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description: API reference for qiskit.algorithms.state_fidelities
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in_page_toc_min_heading_level: 2
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python_api_type: module
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python_api_name: qiskit.algorithms.state_fidelities
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---
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<span id="qiskit-algorithms-state-fidelities" />
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# qiskit.algorithms.state\_fidelities
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## State Fidelity Interfaces
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<span id="module-qiskit.algorithms.state_fidelities" />
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`qiskit.algorithms.state_fidelities`
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### State Fidelities
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| ---------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| [`BaseStateFidelity`](qiskit.algorithms.state_fidelities.BaseStateFidelity "qiskit.algorithms.state_fidelities.BaseStateFidelity")() | An interface to calculate state fidelities (state overlaps) for pairs of (parametrized) quantum circuits. |
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| [`ComputeUncompute`](qiskit.algorithms.state_fidelities.ComputeUncompute "qiskit.algorithms.state_fidelities.ComputeUncompute")(sampler\[, options]) | This class leverages the sampler primitive to calculate the state fidelity of two quantum circuits following the compute-uncompute method (see \[1] for further reference). |
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### Results
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> | | |
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> | --------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------- |
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> | [`StateFidelityResult`](qiskit.algorithms.state_fidelities.StateFidelityResult "qiskit.algorithms.state_fidelities.StateFidelityResult")(fidelities, ...) | This class stores the result of StateFidelity computations. |
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