复数的复杂根与向量关系演示

GeoGebra 命令及参数

1. Textfield(a) → inputBox1
2. Textfield(b) → inputBox2
3. Textfield(a) → inputBox1_1
4. Textfield(b) → inputBox2_1
5. Vector(O, Z) → u
6. Angle(X, O, Z) → θ
7. Distance(O, Z) → modz
8. If(b ≥ 0, 0 + θ, 0 - θ) → α
9. Circle(O, r) → d
10. Rotate(X, β, O) → X'
11. Ray(O, X') → f
12. Intersect(d, f, 1) → Z_0
13. Rotate(Z_0, γ, O) → Z_1
14. Polygon(Z_0, Z_1, n) → poly1, g, Z_2, Z_3, Z_4, Z_5, Z_6, Z_7, Z_8, h, i, j, k, l, m, p, q
15. Vector(O, Z_0) → v
16. Vector(O, Z_1) → w
17. Vector(O, Z_2) → z
18. Vector(O, Z_3) → s
19. Vector(O, Z_4) → t
20. Vector(O, Z_5) → u_1
21. Vector(O, Z_6) → v_1
22. Vector(O, Z_7) → w_1
23. Vector(O, Z_8) → z_1
24. Angle(X, O, Z_0) → δ
25. Segment(O, Z_0) → b_1
26. Angle(Z_0, O, Z_1) → ε
27. Segment(O, Z_1) → d_1
28. Midpoint(O, Z) → A