qiskit.ignis.mitigation.TensoredExpvalMeasMitigator.stddev_upper_bound

TensoredExpvalMeasMitigator.stddev_upper_bound(shots=1, qubits=None)

Return an upper bound on standard deviation of expval estimator.

Parameters

• shots (int) – Number of shots used for expectation value measurement.

• qubits (Optional[List[int]]) – qubits being measured for operator expval.

Returns

the standard deviation upper bound.

Return type

float