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 · 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 …
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 …
How to perform noisy simulation of qiskit fake backends?
May 1, 2024 · Learn how to simulate noise in quantum circuits using Qiskit's fake backends for realistic quantum computing experiments and research.
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, …
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 …
qiskit - How do I get the unitary matrix of a circuit? - Quantum ...
Mar 25, 2024 · I'm studying on this textbook but the library has changed meanwhile and running those instructions on my IBM quantum learning notebook will result in errors. What's the …