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Share Your Experience: Take the 2024 Developer Survey
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cnada's user avatar
cnada's user avatar
cnada
  • Member for 5 years, 10 months
  • Last seen more than a month ago
12 votes

How do you implement the Toffoli gate using only single-qubit and CNOT gates?

8 votes
Accepted

What exactly is "matrix sparsity" $s$?

8 votes
Accepted

Submitting jobs to IBMQ backend via HTTP API Requests

7 votes
Accepted

How is the Deutsch-Jozsa algorithm faster than classical for practical implementation?

7 votes

How would D-Wave be used for complex optimization problems?

6 votes

How can I calculate the inner product of two quantum registers of different sizes?

6 votes
Accepted

What's the matrix representation of this 3-qubit CZ circuit?

6 votes
Accepted

How to describe, or encode, the input vector x of Quantum Fourier Transform?

6 votes

Can the SWAP test only compare registers with the same number of qubits?

6 votes
Accepted

QAOA for MaxCut - Algorithm motivation

6 votes
Accepted

Clarification needed: "Simulation" of $e^{-iHt}$ and its time complexity

5 votes
Accepted

Quantum SVM with large feature set

5 votes
Accepted

How do I build a gate from a matrix on Qiskit?

5 votes

How to implement Grover's diffusion operator when starting with a W state?

5 votes

State of the art gate speeds and decoherence times

5 votes

Which programming language is suitable for a beginner?

5 votes
Accepted

Is there a general method to implement a 'greater than' quantum circuit?

5 votes

Why are oracles Hermitian by construction?

5 votes
Accepted

Implementation of Grover's Algorithm (minimum spanning tree)

5 votes

Practical example of Grover's algorithm (in Q#)

5 votes

Is there any (really) quantum procedure that's an algorithm and not a Las Vegas algorithm?

4 votes
Accepted

Grover's algorithm for the real problem of finding the index of an array element

4 votes

Current limits on Grover search space

4 votes

How to re-create the following circuit image?

4 votes

What's an example of building a circuit $U_f$ that implements a simple function $f$?

4 votes

How to add two integers in Q#?

4 votes
Accepted

Are there any examples of anyone applying quantum algorithms to problems in computational biology?

4 votes

Is quantum computing mature enough for a computer scientist with no physics background?

4 votes
Accepted

How does the CNOT gate operate when the control qubit is a superposition?

4 votes

How to study quantum machine learning?