Quantum Computing Stack Exchange is a question and answer site for engineers, scientists, programmers, and computing professionals interested in quantum computing. It only takes a minute to sign up.

Sign up to join this community

Anybody can ask a question

Anybody can answer

The best answers are voted up and rise to the top

Explore our Questions

Ask Question

more tags

Active Hot Week Month

1

vote

0

answers

17

views

Am I doing anything wrong when trying to calculate the expectation value in Qiskit on the real hardware?

qiskit

asked 3 hours ago physavage 131

0

votes

1

answer

38

views

Question About How Qiskit Reset Gate Affects Other Entangled Qubits

quantum-gate qiskit programming ibm-q-experience measurement

modified 7 hours ago glS 10.2k

1

vote

1

answer

55

views

What extra functionality is available to an IBM Q Network member over a regular IBM Q Experience user

qiskit programming ibm-q-experience ibm

modified 7 hours ago glS 10.2k

1

vote

1

answer

70

views

Why after transpiling a Qiskit circuit we obtain a different result?

qiskit programming ibm-q-experience quantum-fourier-transform initialization

answered yesterday Paula G 131

2

votes

1

answer

73

views

How to implement Cx mod N unitary

algorithm qiskit programming circuit-construction shors-algorithm

modified yesterday glS 10.2k

0

votes

1

answer

62

views

How the simulator work?

quantum-gate quantum-state qiskit programming simulation

modified yesterday glS 10.2k

1

vote

3

answers

145

views

How many classical registers are there on (IBM) quantum computers?

programming qiskit ibm-q-experience

modified 2 days ago Kim Dong 251

2

votes

3

answers

206

views

How can we construct a square root of NOT gate in Qiskit and IBMQ circuit composer using universal gates?

quantum-gate qiskit programming

modified 2 days ago Aleksey Zhuravlev 25

0

votes

1

answer

23

views

Couldn't connect to IBMQ server: error during login: Expecting value: line 1 column 1 (char 0)?

qiskit

answered Jul 10 at 12:59 jyu00 31

2

votes

1

answer

177

views

Couldn't connect to IBMQ server

programming qiskit ibm-q-experience

modified Jul 10 at 6:22 长风剑哥 9

5

votes

2

answers

96

views

Representation of rotation operators $e^{-i\theta(I-Z_1\otimes Z_2 \otimes Z_3)}$ about arbitrary axis for $3$ qubits

qiskit programming circuit-construction hamiltonian-simulation matrix-representation

modified Jul 9 at 22:37 Dan Strano 31

4

votes

1

answer

117

views

Use Qiskit in other programming languages (C#, JavaScript and Lua)

qiskit

modified Jul 9 at 19:03 Community♦ 1

0

votes

2

answers

70

views

Does anyone know how to get a list of all the Qiskit ML datasets, and if they can also be used for classical machine learning?

qiskit machine-learning

modified Jul 9 at 14:06 Community♦ 1

3

votes

1

answer

41

views

Graphing T1 using Qiskit

qiskit programming ibm

modified Jul 8 at 14:04 Community♦ 1

Browse more Questions

Quantum Computing Stack Exchange works best with JavaScript enabled