qiskit.result.sampled_expectation_value

sampled_expectation_value(dist, oper)

Computes expectation value from a sampled distribution

Note that passing a raw dict requires bit-string keys.

매개변수

• dist (Counts or QuasiDistribution or ProbDistribution or dict) – Input sampled distribution

• oper (str or Pauli or PauliOp or PauliSumOp or SparsePauliOp) – The operator for the observable

반환

The expectation value

반환 형식

float

예외 발생

QiskitError – if the input distribution or operator is an invalid type