镜像反射

镜像反射
几何画板及绘图内容加载中,请稍等……
2018-12-08 17:51
这个范例演示了镜像反射的几何现象。涉及的核心数学概念包括反射、余弦函数、旋转和积分微积分。通过使用GeoGebra命令如Intersect、Line、Mirror等,可以构造出镜像反射的几何图形。适合高中及以上学生学习几何变换和函数图像。

GeoGebra 命令及参数

  1. Intersect(xAxis, yAxis) → A_1
  2. Line(A_1, M) → f
  3. Mirror(C, f) → C'
  4. Ray(E_1, C') → g
  5. Intersect(f, g) → E
  6. Segment(C, E) → h
  7. Segment(E_1, E) → j
  8. Point(h) → F
  9. Vector(C, F) → u
  10. Point(j) → G
  11. Vector(E, G) → v
  12. Ray(E_2, C') → k
  13. Intersect(f, k) → I
  14. Segment(E_2, I) → l
  15. Segment(I, C') → m
  16. Segment(I, C) → n
  17. Point(n) → J
  18. Vector(C, J) → w
  19. Point(l) → K
  20. Vector(I, K) → a
  21. Mirror(B, f) → B'
  22. Ray(E_1, B') → p
  23. Intersect(f, p) → M_1
  24. Segment(B, M_1) → q
  25. Segment(M_1, B') → r
  26. Segment(E_1, M_1) → s
  27. Point(q) → N
  28. Vector(B, N) → b
  29. Point(s) → O
  30. Vector(M_1, O) → c
  31. Intersect(f, h) → P
  32. Segment(P, C') → i
  33. Ray(E_2, B') → t
  34. Intersect(f, t) → Q
  35. Segment(B, Q) → d
  36. Segment(Q, E_2) → e
  37. Segment(Q, B') → f_1
  38. Point(d) → R
  39. Vector(B, R) → u_1
  40. Point(e) → S
  41. Vector(Q, S) → v_1
  42. Polygon(B, C, A) → t1, t_1, l_1, c_1
  43. Mirror(A, f) → A'
  44. Polygon(C', B', A') → t2, t', c', l'
  45. OrthogonalLine(M_1, f) → g_1
  46. OrthogonalLine(E, f) → h_1
  47. OrthogonalLine(Q, f) → i_1
  48. OrthogonalLine(I, f) → j_1
  49. Point(g_1) → L
  50. Point(g_1) → T
  51. Segment(L, T) → k_1
  52. Point(h_1) → U
  53. Point(h_1) → V
  54. Segment(U, V) → m_1
  55. Point(i_1) → W
  56. Point(i_1) → Z
  57. Segment(W, Z) → n_1
  58. Point(j_1) → B_1
  59. Point(j_1) → C_1
  60. Segment(B_1, C_1) → p_1