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---
title: kraus_error
description: API reference for qiskit.providers.aer.noise.kraus_error
in_page_toc_min_heading_level: 1
python_api_type: function
python_api_name: qiskit.providers.aer.noise.kraus_error
---
<span id="qiskit-providers-aer-noise-kraus-error" />
# qiskit.providers.aer.noise.kraus\_error
<Function id="qiskit.providers.aer.noise.kraus_error" isDedicatedPage={true} github="https://github.com/qiskit/qiskit-aer/tree/stable/0.7/qiskit/providers/aer/noise/errors/standard_errors.py" signature="kraus_error(noise_ops, standard_gates=True, canonical_kraus=False)">
Return a Kraus quantum error channel.
**Parameters**
* **noise\_ops** (*list\[matrix]*) Kraus matrices.
* **standard\_gates** (*bool*) Check if input matrices are standard gates.
* **canonical\_kraus** (*bool*) Convert input Kraus matrices into the canonical Kraus representation (default: False)
**Returns**
The quantum error object.
**Return type**
[QuantumError](qiskit.providers.aer.noise.QuantumError "qiskit.providers.aer.noise.QuantumError")
**Raises**
**NoiseError** if error parameters are invalid.
</Function>