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
