All Questions
12
questions
1
vote
2
answers
94
views
Error while plotting the resulting distribution
I am using this code, as a test of my qiskit, but I am having errors on using the simulator
Building the circuit
We begin by importing Qiskit.
from qiskit import *
...
- 11
0
votes
1
answer
224
views
How to implement Shor's 9-Qubit-Code in Qiskit?
I am new to qiskit and currently trying to implement Shor's 9-Qubit_Code. I am trying to orient my code on the example given in the official qiskit-tutorial and so far I have the following:
...
- 173
1
vote
0
answers
39
views
5
votes
1
answer
206
views
Where does the "correction" in quantum error correction occur, specifically when using repetition codes?
I'm reading the part of the qiskit textbook that deals with this (https://qiskit.org/textbook/ch-quantum-hardware/error-correction-repetition-code.html) and so far it seems as though they're just ...
- 103
2
votes
1
answer
191
views
Qiskit noise model question (from textbook)
I'm reading the chapter Introduction to Quantum Error Correction using Repetition Codes and a code example demonstrates how to add depolarizing and pauli error. I have several questions.
Is it not ...
- 41
3
votes
1
answer
3k
views
Keep receiving Error - AttributeError: 'QuantumCircuit' object has no attribute 'save_statevector'
I am attempting to code a feed-forward simulation of a QECC in Qiskit. Qiskit (to my knowledge) does not directly support feed-forward simulation, so I attempted a work-around. I call the simulator ...
- 247
2
votes
1
answer
137
views
QPE Circuit test on Quantum Computer ('ibmq_16_melbourne')
After several atempts, I cannot mitigate the error when running the code on a NISQ, via the qiskit library (more specifically on the 'ibmq_16_melbourne').
I've already mapped the connected qubits and ...
3
votes
3
answers
252
views
Quantum Error Correction implementation in Qiskit, OpenQASM or other languages based on Python
Where can we find example(s) of implementation code in a programming language of Quantum Error Correction, whether with the standard method of measurement or the automatic method without measurement (...
2
votes
1
answer
352
views
Is it possible to implement c_if statement based on a measurement in a single specified classical bit in qiskit?
I'm trying to write a 1-bit teleportation error correction code and there is one part in it where I need to add a gate that's dependent on a measurement from earlier in the circuit. The measurement ...
- 21
2
votes
1
answer
455
views
How to do error mitigation on the ibmq_16_melbourne?
I'm trying to make a calibration matrix using CompleteMeasFitter as in here on IBMQ Melbourne, but I need to use all 15 qubits, which mean it has to run 32768 calibration circuit, far exceeding the 75 ...
- 584
8
votes
1
answer
526
views
How does measurement calibration work?
One of the possible ways to improve the results of an experiment on the IBM machine using the Qiskit language is to use the measurement calibration methods. This is the link to the documentation.
I ...
4
votes
1
answer
255
views
How to deal with -LookupError: backend "ibmqx4" is not found?
I am using Jupyter notebook to write and running my qiskit codes (python 3.6)
and every time I encounter the message: LookupError: backend "ibmqx4" is not found, right now the ibmqx4 computer is not ...
