113 lines
3.2 KiB
Plaintext
113 lines
3.2 KiB
Plaintext
---
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title: DAGOpNode (v1.4)
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description: API reference for qiskit.dagcircuit.DAGOpNode in qiskit v1.4
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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.DAGOpNode
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---
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# DAGOpNode
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<Class id="qiskit.dagcircuit.DAGOpNode" isDedicatedPage={true} signature="qiskit.dagcircuit.DAGOpNode" modifiers="class">
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Bases: [`DAGNode`](qiskit.dagcircuit.DAGNode "qiskit._accelerate.circuit.DAGNode")
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Object to represent an Instruction at a node in the DAGCircuit.
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## Attributes
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### cargs
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<Attribute id="qiskit.dagcircuit.DAGOpNode.cargs" />
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### condition
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<Attribute id="qiskit.dagcircuit.DAGOpNode.condition" />
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### definition
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<Attribute id="qiskit.dagcircuit.DAGOpNode.definition" />
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### duration
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<Attribute id="qiskit.dagcircuit.DAGOpNode.duration" />
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### label
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<Attribute id="qiskit.dagcircuit.DAGOpNode.label" />
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### matrix
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<Attribute id="qiskit.dagcircuit.DAGOpNode.matrix" />
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### name
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<Attribute id="qiskit.dagcircuit.DAGOpNode.name">
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Returns the Instruction name corresponding to the op for this node
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</Attribute>
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### num\_clbits
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<Attribute id="qiskit.dagcircuit.DAGOpNode.num_clbits" />
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### num\_qubits
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<Attribute id="qiskit.dagcircuit.DAGOpNode.num_qubits" />
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### op
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<Attribute id="qiskit.dagcircuit.DAGOpNode.op" />
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### params
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<Attribute id="qiskit.dagcircuit.DAGOpNode.params" />
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### qargs
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<Attribute id="qiskit.dagcircuit.DAGOpNode.qargs" />
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### sort\_key
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<Attribute id="qiskit.dagcircuit.DAGOpNode.sort_key" />
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### unit
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<Attribute id="qiskit.dagcircuit.DAGOpNode.unit" />
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## Methods
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### from\_instruction
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<Function id="qiskit.dagcircuit.DAGOpNode.from_instruction" signature="from_instruction(instruction, /, *, deepcopy=False)" modifiers="static" />
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### is\_control\_flow
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<Function id="qiskit.dagcircuit.DAGOpNode.is_control_flow" signature="is_control_flow()">
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Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a control-flow operation (i.e. an instance of [`ControlFlowOp`](qiskit.circuit.ControlFlowOp "qiskit.circuit.ControlFlowOp"))?
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</Function>
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### is\_controlled\_gate
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<Function id="qiskit.dagcircuit.DAGOpNode.is_controlled_gate" signature="is_controlled_gate()">
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Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a subclass of [`ControlledGate`](qiskit.circuit.ControlledGate "qiskit.circuit.ControlledGate")?
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</Function>
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### is\_directive
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<Function id="qiskit.dagcircuit.DAGOpNode.is_directive" signature="is_directive()">
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Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a directive?
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</Function>
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### is\_parameterized
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<Function id="qiskit.dagcircuit.DAGOpNode.is_parameterized" signature="is_parameterized()">
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Does this node contain any [`ParameterExpression`](qiskit.circuit.ParameterExpression "qiskit.circuit.ParameterExpression") parameters?
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</Function>
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### is\_standard\_gate
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<Function id="qiskit.dagcircuit.DAGOpNode.is_standard_gate" signature="is_standard_gate()">
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Is the [`Operation`](qiskit.circuit.Operation "qiskit.circuit.Operation") contained in this node a Qiskit standard gate?
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</Function>
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</Class>
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