Skip to main contentIBM Quantum Documentation
You are viewing the API reference for an old version of Qiskit SDK. Switch to latest version

Quantum Circuit Extensions


Unitary Extensions

SingleQubitUnitary(unitary_matrix[, mode, ...])Single-qubit unitary.

Simulator Extensions

Snapshot(label[, snapshot_type, num_qubits, ...])Simulator snapshot instruction.


The additional gates in this module will tend to raise a custom exception when they encounter problems.


qiskit.extensions.ExtensionError(*message) GitHub(opens in a new tab)

Base class for errors raised by extensions module.

Set the error message.

Deprecated since version 0.46.0

The class qiskit.extensions.exceptions.ExtensionError is deprecated as of qiskit 0.46.0. It will be removed in the Qiskit 1.0 release.

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