Tutorials
Libraries
API References
qiskit.circuit
qiskit.compiler
qiskit.execute
qiskit.visualization
qiskit.converters
qiskit.assembler
qiskit.dagcircuit
qiskit.extensions
qiskit.providers.basicaer
qiskit.providers
qiskit.providers.models
qiskit.pulse
qiskit.scheduler
qiskit.qasm
qiskit.qobj
qiskit.quantum_info
qiskit.result
qiskit.tools
qiskit.tools.jupyter
qiskit.transpiler
qiskit.transpiler.passes
qiskit.transpiler.preset_passmanagers
qiskit.validation
Troubleshooting
Returns iterator of the predecessors of a node that are connected by a quantum edge as DAGNodes.