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qiskit.circuit.QuantumCircuit.ccx

QuantumCircuit.ccx(control_qubit1, control_qubit2, target_qubit, ctrl_state=None)[source]

Apply CCXGate.

For the full matrix form of this gate, see the underlying gate documentation.

Parameters
  • control_qubit1 (QubitSpecifier) – The qubit(s) used as the first control.

  • control_qubit2 (QubitSpecifier) – The qubit(s) used as the second control.

  • target_qubit (QubitSpecifier) – The qubit(s) targeted by the gate.

  • ctrl_state (str | int | None) – The control state in decimal, or as a bitstring (e.g. ‘1’). Defaults to controlling on the ‘1’ state.

Returns

A handle to the instructions created.

Return type

InstructionSet