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垂直拟合

垂直拟合
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2019-02-26 17:15
解析几何概率统计
这个范例演示了如何通过垂直拟合来分析数据点。核心数学概念包括统计学中的垂直距离和最小二乘法。构造过程中使用了Line, OrthogonalLine, Intersect, Segment, Sum, FitLineY等命令。适合高中数学教学和学习。

GeoGebra 命令及参数

  1. Line(A, B) → a
  2. OrthogonalLine(C, a) → b
  3. OrthogonalLine(D, a) → c
  4. OrthogonalLine(E, a) → d
  5. OrthogonalLine(F, a) → e
  6. OrthogonalLine(G, a) → f
  7. OrthogonalLine(H, a) → g
  8. OrthogonalLine(I, a) → h
  9. Intersect(a, b) → J
  10. Intersect(a, c) → K
  11. Intersect(a, d) → L
  12. Intersect(a, e) → M
  13. Intersect(a, f) → N
  14. Intersect(a, g) → O
  15. Intersect(a, h) → P
  16. Segment(C, J) → i
  17. Segment(D, K) → j
  18. Segment(L, E) → k
  19. Segment(F, M) → l
  20. Segment(G, N) → m
  21. Segment(H, O) → n
  22. Segment(P, I) → p
  23. Sum(L_2) → sum
  24. FitLineY(L_3) → q
  25. Line(Q, R) → r
  26. OrthogonalLine(C, xAxis) → s
  27. OrthogonalLine(E, xAxis) → t
  28. OrthogonalLine(D, xAxis) → a_1
  29. OrthogonalLine(F, xAxis) → b_1
  30. OrthogonalLine(G, xAxis) → c_1
  31. OrthogonalLine(H, xAxis) → d_1
  32. OrthogonalLine(I, xAxis) → e_1
  33. Intersect(r, s) → S
  34. Intersect(r, t) → T
  35. Intersect(r, a_1) → U
  36. Intersect(r, b_1) → V
  37. Intersect(r, c_1) → W
  38. Intersect(r, d_1) → Z
  39. Intersect(r, e_1) → A_1
  40. Segment(C, S) → f_1
  41. Segment(E, T) → g_1
  42. Segment(D, U) → h_1
  43. Segment(F, V) → i_1
  44. Segment(G, W) → j_1
  45. Segment(H, Z) → k_1
  46. Segment(I, A_1) → l_1
  47. Sum(L_5) → sum_2