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 | 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 ...
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?
How to install the qiskit packages and libraries?
Feb 1, 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 …
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 …
Using Qiskit AerSimulator with an NVIDIA GPU
Feb 21, 2025 · My GPU is an NVIDIA RTX 3060, running driver version 565.77 with CUDA 12.7 I am using nvcc, version 11.5 My Python venv contains qiskit-aer-gpu, cuQuantum and …
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 …
Calculate expectation value using Qiskit Simulator and Estimator
Feb 24, 2025 · Suppose the observable is XXI, and we get the result from qiskit simulator. Since qiskit uses little endian, should I reverse the order of my observable to calculate 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, …