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乘法演示 by RV'SMath

乘法演示 by RV'SMath
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2016-04-14 02:10
多边形向量积分几何作图函数图像
①本范例演示如何通过 GeoGebra 生成交叉点和几何图形来展示乘法原理；②涉及的核心数学概念包括向量、多边形、积分和几何作图；③作图要点：使用了 Point, Vector, Polygon, Segment, Line, Intersect, Integral, Textfield 等命令和对象；④适合高中数学教学和几何概念探索。

GeoGebra 命令及参数

  1. Point(r) → C
  2. Vector((0, 0), (1.16, a^(0.5))) → d
  3. Point(d) → E
  4. Vector((1.16, 0), (1.16, a^(0.5))) → c
  5. Point(c) → F
  6. Polygon(D, E, F) → poly2, f_1, d_2, e_1
  7. Point(b) → A
  8. Point(w) → B
  9. Polygon(D, A, C, B) → poly1, d_1, a_1, c_1, b_1
  10. Segment(C, B) → g
  11. Point(u) → G
  12. Point(v) → H
  13. Polygon(D, H, G) → poly3, g_1, d_3, h
  14. Line(H, G) → l
  15. Intersect(p, l, (-0.7319959698095877, 0.4809480735941872)) → I
  16. Intersect(q_2, l, (0.48164500288537104, -0.730547944823769)) → J
  17. Segment(I, J) → i
  18. Vector(((t * a), 0)) → m
  19. Point(n) → L
  20. Vector((((3 * t) * a / 2), 0)) → s
  21. Point(s) → K
  22. Polygon(D, K, L) → poly4, l_1, d_4, k_1
  23. Integral(q_2, 1, (a * 3)) → m_1
  24. Intersect(q, f, (3.15653235852592, 27.000000000000007)) → M
  25. Integral(q, 1, 1.79) → r_1
  26. Textfield(a) → InputBox1
  27. Segment(N, O) → e