
programming - How does the c_if instruction work in Qiskit?
Sep 1, 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 …
Qiskit | ImportError: cannot import name 'Aer' from 'qiskit'
Apr 8, 2024 · While installing and tried to import Aer, I get an error. !pip install qiskit import numpy as np from qiskit import QuantumCircuit, Aer, transpile, assemble from ...
Unable to import execute function from qiskit library
The issue was due to qiskit 1.0 removing execute from its library and I had to downgrade to version 0.46 version. I appreciate your input!
Qiskit: measure_all() or measure() - Quantum Computing Stack …
Dec 13, 2022 · Qiskit has qiskit.circuit.QuantumCircuit.measure_all() and qiskit.circuit.QuantumCircuit.measure(). Why would you use one over another?
qiskit - Multi-control multi-target gate - Quantum Computing …
How can we use qiskit to create a multi-control-multi-target gate such that, for example, the control qubit index is [1] and target qubit indices are [3, 4]? Or control indices are [0, 1] and …
How to install the qiskit packages and libraries?
Jan 26, 2024 · We are doing a Quantum computing project using the Qiskit toolkit. But we are struggling to import or install the packages and libraries. In Qiskit how we can import the …
Execute is not defined in IBM quantum computing lab
Jan 3, 2022 · You did not import execute from qiskit. Change from qiskit import QuantumCircuit, transpile, Aer, IBMQ to from qiskit import QuantumCircuit, transpile, Aer, IBMQ, execute
Error importing Qiskit Aer when running Qiskit - Stack Overflow
Mar 14, 2024 · Just install qiskit-aer package by doing pip install qiskit-aer. And then in your code replace: from qiskit import Aer to from qiskit_aer import Aer Also just a note, do not try to …
qiskit - Is there a way to use a fake backend for ibm_brisbane ...
Feb 28, 2024 · backend_sim = qiskit_dynamics.DynamicsBackend.from_backend(backend, subsystem_list=[0, 1]) Here is a way to simulate circuits on 'fake_brisbane', while the …
Discrepancy between answers from different Estimators in qiskit
May 11, 2024 · After upgrading to qiskit 1.0.0, I tried using different estimators: estimatorv2, qiskit-aer estimator and default primitive estimator. But I get different expectation values with each of …