35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
---
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title: validate_entangler_map
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description: API reference for qiskit.utils.validate_entangler_map
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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.utils.validate_entangler_map
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---
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# qiskit.utils.validate\_entangler\_map
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<Function id="qiskit.utils.validate_entangler_map" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.20/qiskit/utils/entangler_map.py" signature="validate_entangler_map(entangler_map, num_qubits, allow_double_entanglement=False)">
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Validate a user supplied entangler map and converts entries to ints.
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**Parameters**
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* **entangler\_map** (*list\[list]*) – An entangler map, keys are source qubit index (int), value is array of target qubit index(es) (int)
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* **num\_qubits** (*int*) – Number of qubits
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* **allow\_double\_entanglement** (*bool*) – If we allow in two qubits can be entangled each other
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**Returns**
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Validated/converted map
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**Return type**
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list
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**Raises**
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* **TypeError** – entangler map is not list type or list of list
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* **ValueError** – the index of entangler map is out of range
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* **ValueError** – the qubits are cross-entangled.
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</Function>
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