3. Quantum Algorithms
Quantum Fourier — Quiz
Test your understanding of quantum fourier with 5 practice questions.
Practice Questions
Question 1
Which of the following gives the matrix element of the $n$-qubit QFT operator in the computational basis?
Question 2
Approximate QFT can reduce its gate count to which complexity by omitting small‐angle rotations?
Question 3
When applying QFT to a periodic quantum state of period $r$ in an $N$‐dimensional register, the measured output $y$ will most likely satisfy which condition?
Question 4
What is the matrix representation of the single‐qubit rotation gate $R_k$ used in QFT?
Question 5
The QFT diagonalizes which type of operator in the computational basis?