Quantum Computing, Mathematics, Fourier Transform, Quantum Algorithms.
matrix Preparation of Eigenvector The |1⟩ state acts as an eigenvector with eigenvalue 1/8. Phase Encoding Phase being encoded into the extra qubits using the controlled U gates QFT⁻¹ circuit QFT⁻¹ for three qubits. Since q2 contains the least significant bit of the phase, hence a swap gate is