https://quantum.cloud.ibm.com/docs/en/api/qiskit/1.3/qiskit.circuit.library.MCXGate
MCXGate (v1.3) | IBM Quantum Documentation
API reference for qiskit.circuit.library.MCXGate in qiskit v1.3
ibm quantumdocumentation
https://au.mathworks.com/help/matlab/ref/mcxgate.html
mcxGate - Multi-controlled X gate - MATLAB
This MATLAB function applies a multi-controlled X (MCX) gate.
multicontrolledxgatematlab