User thespaceman

8 votes

1 answer

209 views

Why is HHL the popular choice to solve QLSP and not the Childs et al. (2017) algorithm?

asked Dec 2, 2020 at 22:40

5 votes

3 answers

198 views

When will Qiskit Runtime be available to all users?

asked Jun 10, 2021 at 20:34

4 votes

1 answer

2k views

Which method of executing a multi-control gate is more efficient?

asked Oct 23, 2020 at 18:50

4 votes

0 answers

104 views

What is the best way to use loop statements on a quantum computer?

asked Sep 17, 2020 at 23:31

3 votes

1 answer

180 views

Is it required to input full matrix when using Qiskit HHL algorithm for sparse matrices?

asked Sep 15, 2020 at 0:07

3 votes

2 answers

358 views

How to intentionally add noise to a Qiskit circuit?

asked Oct 28, 2020 at 21:12

3 votes

1 answer

264 views

How to find the expectation value of several circuits using Qiskit aqua operator logic?

asked Jun 15, 2021 at 21:09

3 votes

1 answer

172 views

Is it possible to compute a matrix inverse for an arbitrary matrix within a subroutine?

asked Jan 29, 2022 at 0:18

2 votes

1 answer

126 views

How does this expression from the VQLS paper result in a CZ-gate?

asked Apr 9, 2021 at 19:01

2 votes

1 answer

181 views

Why and how is quantum noise predictable?

asked Nov 7, 2020 at 22:58

2 votes

2 answers

1k views

My IBMQ job hangs forever?

asked Sep 16, 2020 at 18:39

2 votes

1 answer

73 views

How can I use the quantum volume to design the scale of my experiment?

asked Sep 17, 2020 at 18:54

1 vote

1 answer

341 views

How to optimize my HHL algorithm on qiskit?

asked Sep 18, 2020 at 23:18

1 vote

1 answer

277 views

Why does the Qiskit tutorial for the Variational Quantum Linear Solver not work properly?

asked Mar 4, 2021 at 19:52

1 vote

0 answers

92 views

What is the justification for the use of this arbitrary post-processing vector?

asked Aug 12, 2021 at 19:27

0 votes

0 answers

153 views

What does it mean to have a negative cost (aka loss) function?

asked Apr 15, 2021 at 16:58

0 votes

0 answers

66 views

What does "point-wise addition" mean in the context of this paper?

asked May 2, 2022 at 19:48

0 votes

1 answer

48 views

What is the correct way to represent the CNOT gate on a circuit drawing where the target is an arbitrary qubit in a register? [closed]

asked Mar 25 at 0:32

0 votes

1 answer

233 views

How to force a matrix to be unitary given constraints on some of the elements? [duplicate]

asked Oct 15, 2020 at 23:49

Stack Exchange Network

19 Questions

Why is HHL the popular choice to solve QLSP and not the Childs et al. (2017) algorithm?

When will Qiskit Runtime be available to all users?

Which method of executing a multi-control gate is more efficient?

What is the best way to use loop statements on a quantum computer?

Is it required to input full matrix when using Qiskit HHL algorithm for sparse matrices?

How to intentionally add noise to a Qiskit circuit?

How to find the expectation value of several circuits using Qiskit aqua operator logic?

Is it possible to compute a matrix inverse for an arbitrary matrix within a subroutine?

How does this expression from the VQLS paper result in a CZ-gate?

Why and how is quantum noise predictable?

My IBMQ job hangs forever?

How can I use the quantum volume to design the scale of my experiment?

How to optimize my HHL algorithm on qiskit?

Why does the Qiskit tutorial for the Variational Quantum Linear Solver not work properly?

What is the justification for the use of this arbitrary post-processing vector?

What does it mean to have a negative cost (aka loss) function?

What does "point-wise addition" mean in the context of this paper?

What is the correct way to represent the CNOT gate on a circuit drawing where the target is an arbitrary qubit in a register? [closed]

How to force a matrix to be unitary given constraints on some of the elements? [duplicate]