44 lines
1.7 KiB
Plaintext
44 lines
1.7 KiB
Plaintext
---
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title: DAGNode
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description: API reference for qiskit.dagcircuit.DAGNode
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.dagcircuit.DAGNode
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---
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# DAGNode
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<Class id="qiskit.dagcircuit.DAGNode" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.24/qiskit/dagcircuit/dagnode.py" signature="DAGNode(nid=-1)" modifiers="class">
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Bases: `object`
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Parent class for DAGOpNode, DAGInNode, and DAGOutNode.
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Create a node
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## Methods
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<span id="qiskit-dagcircuit-dagnode-semantic-eq" />
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### semantic\_eq
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<Function id="qiskit.dagcircuit.DAGNode.semantic_eq" signature="DAGNode.semantic_eq(node1, node2, bit_indices1=None, bit_indices2=None)" modifiers="static">
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Check if DAG nodes are considered equivalent, e.g., as a node\_match for nx.is\_isomorphic.
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**Parameters**
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* **node1** ([*DAGOpNode*](qiskit.dagcircuit.DAGOpNode "qiskit.dagcircuit.DAGOpNode")*,* [*DAGInNode*](qiskit.dagcircuit.DAGInNode "qiskit.dagcircuit.DAGInNode")*,* [*DAGOutNode*](qiskit.dagcircuit.DAGOutNode "qiskit.dagcircuit.DAGOutNode")) – A node to compare.
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* **node2** ([*DAGOpNode*](qiskit.dagcircuit.DAGOpNode "qiskit.dagcircuit.DAGOpNode")*,* [*DAGInNode*](qiskit.dagcircuit.DAGInNode "qiskit.dagcircuit.DAGInNode")*,* [*DAGOutNode*](qiskit.dagcircuit.DAGOutNode "qiskit.dagcircuit.DAGOutNode")) – The other node to compare.
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* **bit\_indices1** (*dict*) – Dictionary mapping Bit instances to their index within the circuit containing node1
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* **bit\_indices2** (*dict*) – Dictionary mapping Bit instances to their index within the circuit containing node2
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**Returns**
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If node1 == node2
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**Return type**
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Bool
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</Function>
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</Class>
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