Quantum Computing, Quantum Fourier Transform, Quantum Computer, Quantum Algorithms, Quantum Mechanics.
basis states of Qubit on an orthonormal basis and is defined as the linear operator using the below action on Qubit basis states: In a standard notation, it can be defined as and more or less, you can treat QFT as a function i.e., In the same way, for an arbitrary state, QFT may be written as QFT