QuantumInstance.cals_matrix

QuantumInstance.cals_matrix(qubit_index=None)

Get the stored calibration matrices and its timestamp.

Parameters

• qubit_index (list[int]) – the qubit index of corresponding calibration matrix.

• None (If) –

• matrices. (return all stored calibration) –

Returns

the calibration matrix and the creation timestamp if qubit_index

is not None otherwise, return all matrices and their timestamp in a dictionary.

Return type

tuple(np.ndarray, int)