Qiskit: measure_all() or measure() - Quantum Computing Stack …
Dec 13, 2022 · from qiskit import QuantumCircuit qc = QuantumCircuit(3) qc.h(0) qc.cx(0, 1) qc.cx(0, 2) qc.measure_all() Notice that, in this case, when you create the QuantumCircuit …
programming - How does the c_if instruction work in Qiskit?
Oct 9, 2022 · The c_if instruction can be used to make the result of a measurement saved to a classical register adjust whether a gate is or is not performed. How does the c_if instruction …
Unable to import execute function from qiskit library
One of the great things about qiskit is also one of the challenges, in that it updates quite quickly. The execute function has been deprecated since version o.46.0 (see notice here) and it was …
programming - Big Endian vs. Little Endian in Qiskit - Quantum ...
Sep 29, 2019 · Qiskit uses little-endian for both classical bit ordering and qubit ordering. For classical bits: A 3-bit classical register creg with value abc has creg[0]=c, creg[1]=b, creg[2]=a. …
qiskit - Multi-control multi-target gate - Quantum Computing …
from qiskit.quantum_info import random_unitary U = random_unitary(4) Now, let's apply this operator to qubits $3$ and $4$ controlled by qubits $0$ and $1$. from qiskit.circuit import …
How can we access GPU to execute qiskit codes. If possible give …
Dec 20, 2022 · $\begingroup$ This page states: "If you want to install our GPU supported simulators, you have to install this other package: pip install qiskit-aer-gpu This will overwrite …
Qiskit | ImportError: cannot import name 'Aer' from 'qiskit'
Apr 8, 2024 · !pip install qiskit import numpy as np from qiskit import QuantumCircuit, Aer, transpile, assemble from qiskit.visualization import plot_histogram import random Any …
PYTHON: Qiskit library import - Stack Overflow
Apr 10, 2024 · The qiskit.providers.basicaer module is deprecated as of Qiskit 0.46 and will be removed in Qiskit 1.0. Its functionality has been replaced by the new …
How do I build a gate from a matrix on Qiskit?
Dec 16, 2018 · I don't think Qiskit has this simulation feature. You have to decompose it indeed. However, there is another way to solve your problem. To check if a quantum circuit (that you …
qiskit - How to use parallel executions of circuits? - Quantum ...
Dec 15, 2019 · I am trying to run multiple circuits in parallel using the documentation here. My codes are: from qiskit import QuantumCircuit from qiskit.circuit.quantumregister import …