longyiszh / hello

The base hello repo
MIT License
0 stars 0 forks source link

请问下面的方程有几个互异根?分别是哪些? #6

Open wcxaaa opened 5 years ago

wcxaaa commented 5 years ago

eqt

valorad commented 5 years ago

My money's on "4个"

longyiszh commented 5 years ago

复数的n次方根img1的解为 img2 ----------->【1】 此时, img3 因为-16 < 0,所以幅角 img4 根据本issue可以得知 img5 于是我们代入【1】可以写出 img6 相位图画出来是: Img7

valorad commented 5 years ago

@longyiszh 错了错了,r=sqrt(2)

longyiszh commented 5 years ago

@longyiszh 错了错了,r=sqrt(2)

改了!