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tigerjack
  • Member for 3 years, 10 months
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37 votes
4 answers
11k views

Is there a layman's explanation for why Grover's algorithm works?

35 votes
5 answers
4k views

Introductory material for quantum machine learning

27 votes
3 answers
9k views

How can I implement an n-bit Toffoli gate?

  • 1,562
19 votes
4 answers
3k views

Why are quantum gates unitary and not special unitary?

  • 397
15 votes
3 answers
632 views

How to permute (reshuffle) an n-bit input?

  • 1,128
15 votes
4 answers
958 views

What use has quantum computing been?

  • 47.5k
13 votes
3 answers
4k views

How to calculate an Expected Value of some operator acting on qubits?

  • 768
9 votes
3 answers
4k views

How to quickly calculate the custom U3 gate parameters $\theta, \phi$ and $\lambda$ for any unitary?

8 votes
4 answers
2k views

Grover algorithm for a database search: where is the quantum advantage?

  • 183
5 votes
1 answer
802 views

Success probability in Grover's algorithm where there are multiple targets

  • 638
4 votes
1 answer
564 views

Qiskit - expand and/or merge registers

  • 464
3 votes
1 answer
847 views

Is it possible to expand/merge different circuits?

  • 464
3 votes
0 answers
172 views

Comparison of matrix inversion algorithms

2 votes
1 answer
252 views

Notation for two entangled registers