AncillaQubit
qiskit.circuit.AncillaQubit(register=None, index=None)
Bases: Qubit
A qubit used as ancillary qubit.
Creates a qubit.
Parameters
- register (QuantumRegister) – Optional. A quantum register containing the bit.
- index (int(opens in a new tab)) – Optional. The index of the bit in its containing register.
Raises
CircuitError – if the provided register is not a valid QuantumRegister
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