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 ...
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 …
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 · 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 …
Calculate expectation value using Qiskit Simulator and Estimator
Feb 24, 2025 · Thanks! I got another question. Here the observable is XXX so the order of each pauli operator doesn't really matter. Suppose the observable is XXI, and we get the result from …
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 · pip install --upgrade qiskit pip install --upgrade qiskit-aer This is probably the fix. But another issue can be that it's not running on the same Python environment as Qiskit. You …
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 …
PYTHON: Qiskit library import - Stack Overflow
Apr 10, 2024 · I'm trying to implement old code on qiskit whose imports start with from qiskit import QuantumRegister, ClassicalRegister, QuantumCircuit from qiskit import BasicAer, …
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 …