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乘法演示

乘法演示
几何画板及绘图内容加载中，请稍等……
2019-11-20 08:51
多边形向量积分几何作图函数图像
①本范例通过动态图形演示乘法运算与几何图形的关系；②涉及核心数学概念包括向量、多边形构造、积分与函数图像；③构造过程中使用了Point, Vector, Polygon, Segment, Line, Intersect, Integral, Textfield, Factors等GeoGebra命令与对象；④适合高中数学教学，用于理解函数、积分及几何作图的结合应用。

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, (-1.4792041711822467, 0.22781892112178792)) → I
  16. Intersect(q_2, l, (0.22838, -1.4767443707086351)) → 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, (5.923752436134908, 664.9999999636309)) → M
  25. Integral(q, 1, 1.79) → r_1
  26. Textfield(a) → InputBox1
  27. Segment(N, O) → e
  28. Factors(f_a) → m1
  29. Factors(a_k) → m2
  30. Segment(P, Q) → j_1