存在對負數開根號的狀況了:spa
>> (0.777)^0.1 ans = 0.9751 >> (0.777)^2 ans = 0.6037 >> (0.777)^2.1 ans = 0.5887 >> (-0.777)^0.1 ans = 0.9274 + 0.3013i >> (-0.777)^2 ans = 0.6037 >> (-0.777)^2.1 ans = 0.5599 + 0.1819i