Method x

qiskit/circuit/quantumcircuit.py:6214–6226

r"""Apply :class:`~qiskit.circuit.library.XGate`. For the full matrix form of this gate, see the underlying gate documentation. Args: qubit: The qubit(s) to apply the gate to. label: The string label of the gate in the circuit. Returns:

(self, qubit: QubitSpecifier, label: str | None = None)

        )

    def x(self, qubit: QubitSpecifier, label: str | None = None) -> InstructionSet:
        r"""Apply :class:`~qiskit.circuit.library.XGate`.

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

        Args:
            qubit: The qubit(s) to apply the gate to.
            label: The string label of the gate in the circuit.

        Returns:
            A handle to the instructions created.
        """
        return self._append_standard_gate(StandardGate.X, [qubit], (), label=label)

    def cx(
        self,