32 lines
2.4 KiB
Plaintext
32 lines
2.4 KiB
Plaintext
---
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title: utils
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description: API reference for qiskit_aer.utils
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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_aer.utils
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---
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<span id="module-qiskit_aer.utils" />
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<span id="aer-utils" />
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# Utilities
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<span id="module-qiskit_aer.utils" />
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`qiskit_aer.utils`
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This module contains utility functions for modifying [`NoiseModel`](qiskit_aer.noise.NoiseModel "qiskit_aer.noise.NoiseModel") objects and `QuantumCircuits` using noise models.
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## Functions
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| ----------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- |
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| [`insert_noise`](qiskit_aer.utils.insert_noise "qiskit_aer.utils.insert_noise")(circuits, noise\_model\[, transpile]) | Return a noisy version of a QuantumCircuit. |
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| [`approximate_quantum_error`](qiskit_aer.utils.approximate_quantum_error "qiskit_aer.utils.approximate_quantum_error")(error, \*\[, ...]) | Return a `QuantumError` object that approximates an error as a mixture of specified operators (channels). |
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| [`approximate_noise_model`](qiskit_aer.utils.approximate_noise_model "qiskit_aer.utils.approximate_noise_model")(model, \*\[, ...]) | Replace all noises in a noise model with ones approximated by a mixture of operators (channels). |
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| [`transform_noise_model`](qiskit_aer.utils.transform_noise_model "qiskit_aer.utils.transform_noise_model")(noise\_model, func) | Return a new noise model by applyign a function to all quantum errors. |
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| [`transpile_noise_model`](qiskit_aer.utils.transpile_noise_model "qiskit_aer.utils.transpile_noise_model")(noise\_model, ...) | Return a new noise model with transpiled QuantumErrors. |
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| [`transpile_quantum_error`](qiskit_aer.utils.transpile_quantum_error "qiskit_aer.utils.transpile_quantum_error")(error, ...) | Return a new quantum error containin transpiled circuits. |
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