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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.
Parameters
- dist (Counts orQuasiDistribution orProbDistribution or dict) – Input sampled distribution
- oper (str or Pauli orPauliOp orPauliSumOp orSparsePauliOp) – The operator for the observable
Returns
The expectation value
Return type
float
Raises
QiskitError – if the input distribution or operator is an invalid type
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