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二维向量评估

二维向量评估
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2019-09-12 15:46
向量解析几何几何作图
①本范例演示二维向量的基本运算与可视化；②涉及核心数学概念包括向量加减、点积、模长、单位向量及平面方程；③构造中运用了Random, Element, Vector, Textfield, If等GeoGebra命令与对象；④适合高中数学教学，用于向量知识的深化理解与技能训练。

GeoGebra 命令及参数

  1. Random(0, 1) → f
  2. Random(2, 4) → i
  3. Random(1, 4) → pick
  4. Element(s, pick) → h
  5. Element(t_1, pick) → a_1
  6. Random(2, 4) → r
  7. Random(6, 7) → b
  8. Random(4, 5) → a
  9. Random(8, 15) → d
  10. Random(2, 5) → c
  11. Vector(A, B) → u
  12. Vector(F, E) → w
  13. Vector(B, F) → v
  14. Vector(A, E) → V_r
  15. Textfield(ac) → InputBox3
  16. Textfield(ad) → InputBox4
  17. Textfield(ae) → InputBox5
  18. Textfield(af) → InputBox6
  19. Textfield(aa) → InputBox1
  20. Textfield(ab) → InputBox2
  21. If(ae ≟ n ∧ af ≟ o, "Good Job", "Try Again") → text2
  22. Element(t, pick) → text3
  23. Textfield(ag) → InputBox7
  24. Textfield(ah) → InputBox8
  25. Random(0, 1) → f_2
  26. Random(1, 4) → pick_1
  27. Element(s_1, pick_1) → h_2
  28. Random(4, 5) → a_2
  29. Random(8, 15) → d_2
  30. Textfield(ae) → InputBox5_1
  31. Textfield(af) → InputBox6_1
  32. Random(0, 1) → f_3
  33. Random(1, 4) → pick_2
  34. Element(s_2, pick_2) → h_3
  35. Random(4, 5) → a_3
  36. Random(8, 15) → d_3
  37. Textfield(ae) → InputBox5_2
  38. Textfield(af) → InputBox6_2
  39. Random(0, 1) → f_4
  40. Random(1, 4) → pick_3
  41. Element(s_3, pick_3) → h_4
  42. Random(4, 5) → a_4
  43. Random(8, 15) → d_4
  44. Textfield(ae_1) → InputBox5_3
  45. Textfield(af_1) → InputBox6_3
  46. Random(0, 1) → f_5
  47. Random(1, 4) → pick_4
  48. Element(s_4, pick_4) → h_5
  49. Random(4, 5) → a_5
  50. Random(8, 15) → d_5
  51. Textfield(ae_2) → InputBox5_4
  52. Textfield(af_2) → InputBox6_4
  53. If(ab ≟ k ∧ aa ≟ j, "Good Job", "Try Again") → text2_4
  54. If(ac ≟ l ∧ ad ≟ m, "Good Job", "Try Again") → text2_1
  55. If(ag ≟ h_1 ∧ ah ≟ i_1, "Good Job", "Try Again") → text2_3