单位根与复数图形

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Circle(A, 1) → c
3. Segment(A, z_1) → f
4. Rotate(A, θ) → A'
5. Rotate(z_1, θ) → z_2
6. Segment(A', z_2) → f'
7. Point(c) → B
8. Rotate(z_1, (360 / n)°, A) → z_3
9. Angle(z_1, A, z_3) → α
10. Polygon(z_1, A, z_3) → t1, z_4, z_5, a
11. Rotate(z_1, θ) → z_6
12. Rotate(A, θ) → A'_1
13. Rotate(z_3, θ) → z_7
14. Polygon(z_6, A'_1, z_7) → t1', z_8, z_9, a'_1
15. Rotate(z_3, θ) → z_{9}
16. Rotate(z_1, θ) → z_{10}
17. Segment(z_{9}, z_{10}) → a'
18. Textfield(n) → InputBox1
19. Intersect(c, yAxis, 1) → E
20. Point(xAxis) → H
21. Point(xAxis) → I
22. Segment(H, I) → l
23. Point(yAxis) → J
24. Point(yAxis) → K
25. Segment(J, K) → m