qiskit.quantum_info.StabilizerState.purity¶ StabilizerState.purity()[ソース]¶ Return the purity of the quantum state, which equals to 1, since it is always a pure state. 戻り値 the purity (should equal 1). 戻り値の型 double 例外 QiskitError – if input is not a StabilizerState.