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qiskit.quantum_info.Statevector.expectation_value¶

Statevector.expectation_value(oper, qargs=None)[소스]¶

Compute the expectation value of an operator.

매개변수

oper (Operator) – an operator to evaluate expval of.
qargs (None or list) – subsystems to apply operator on.

반환

the expectation value.

반환 형식

complex