Skip to main contentIBM Quantum Documentation
This page is from an old version of Qiskit SDK and does not exist in the latest version. We recommend you migrate to the latest version. See the release notes for more information.

qiskit.pulse.builder.num_qubits

num_qubits()

GitHub

Return number of qubits in the currently active backend.

Examples:

from qiskit import pulse
from qiskit.providers.fake_provider import FakeOpenPulse2Q
 
backend = FakeOpenPulse2Q()
 
with pulse.build(backend):
    print(pulse.num_qubits())
2
Note

Requires the active builder context to have a backend set.

Return type

int

Was this page helpful?
Report a bug or request content on GitHub.