36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
---
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title: mixed_unitary_error (v0.31)
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description: API reference for qiskit.providers.aer.noise.mixed_unitary_error in qiskit v0.31
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in_page_toc_min_heading_level: 1
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python_api_type: function
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python_api_name: qiskit.providers.aer.noise.mixed_unitary_error
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---
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<span id="qiskit-providers-aer-noise-mixed-unitary-error" />
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# qiskit.providers.aer.noise.mixed\_unitary\_error
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<Function id="qiskit.providers.aer.noise.mixed_unitary_error" isDedicatedPage={true} github="https://github.com/qiskit/qiskit-aer/tree/stable/0.9/qiskit/providers/aer/noise/errors/standard_errors.py" signature="mixed_unitary_error(noise_ops, standard_gates=True)">
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Return a mixed unitary quantum error channel.
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The input should be a list of pairs `(U[j], p[j])`, where `U[j]` is a unitary matrix and `p[j]` is a probability. All probabilities must sum to 1 for the input ops to be valid.
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**Parameters**
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* **noise\_ops** (*list\[pair\[matrix, double]]*) – unitary error matrices.
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* **standard\_gates** (*bool*) – Check if input matrices are standard gates.
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**Returns**
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The quantum error object.
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**Return type**
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[QuantumError](qiskit.providers.aer.noise.QuantumError "qiskit.providers.aer.noise.QuantumError")
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**Raises**
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**NoiseError** – if error parameters are invalid.
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</Function>
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