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单词 cyclotomy
释义

cyclotomy /sai'klɔtəmi/

英汉-汉英词典
n. 睫状肌(体)切开术
词组 | 习惯用语
您要查找的是不是：
  • lobotomy n. [医]叶切断术；前脑叶白质切除术
  • colostomy n. 结肠造口术
  • cyclotron n. 回旋加速器
  • cycloid adj. 圆形的；循环性格的 n. 摆线；轮转线
cyclotomy n. 睫状肌切开术

网络短语:
cyclotomy theory 割圆理论
the cyclotomy 割圆术
generalized cyclotomy 广义割圆
cyclotomy modulo pq 模pq分圆方法
中文百科

单位根 Root of unity

（重定向自Cyclotomy）
复平面上的三次单位根
Las 5 soluciones de la raíz quinta de la unidad en el plano complejo
Plot of z3 − 1, in which a zero is represented by the color black.
Plot of z5 − 1, in which a zero is represented by the color black.

数学上，n \,次单位根是n\,次幂为1的复数。它们位于复平面的单位圆上，构成正n边形的顶点，其中一个顶点是1。

z^n = 1 \qquad (n = 1, 2, 3, \cdots )

这方程的复数根 z \,为n \,次单位根。

单位的 n \,次根有 n \,个：

e^{\frac{2 \pi k {\mathrm{i}} }{n} } \qquad (k = 0, 1, 2, \cdots, n - 1)。
英语百科

Root of unity 单位根

（重定向自Cyclotomy）
The 5th roots of unity in the complex plane
The 3rd roots of unity
Plot of z3 − 1, in which a zero is represented by the color black.
Plot of z5 − 1, in which a zero is represented by the color black.

In mathematics, a root of unity, occasionally called a de Moivre number, is any complex number that gives 1 when raised to some positive integer power n. Roots of unity are used in many branches of mathematics, and are especially important in number theory, the theory of group characters, and the discrete Fourier transform.
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更新时间：2025/6/19 11:37:07