iqm.error_reduction_tools.readout_characterization.data_processing

Functions for computing readout error correlations from characterization data.

Module Attributes

CountsByPrep	Mapping from preparation string to measurement outcome counts.
ErrorId	Error category identifier.
AssignmentMatrix	2×2 column-stochastic assignment matrix [[P(0|0), P(0|1)], [P(1|0), P(1|1)]] characterizing the readout errors for a qubit.

Functions

compute_double_twirled_covariance(data)	Compute double-twirled (syndrome-based) readout error correlations.
compute_error_probabilities(data)	Compute single-qubit readout error probabilities from calibration data.
compute_single_twirled_covariance(data)	Compute single-twirled readout error correlations between qubit pairs.
compute_state_dependent_covariance(data)	Compute fully state-dependent readout error correlations between qubit pairs.

Classes

CalibrationData	Calibration dataset container.
ErrorProbabilities	Single-qubit characterization probabilities and standard deviations.
SingleCovarianceData	Single- and double-twirled covariance output container.
StateCovarianceData	State-dependent covariance output container.

Inheritance