音符组合的数学表示

GeoGebra 命令及参数

1. Circle((0, 0), A) → a
2. Circle((0, 0), Bb) → bb
3. Circle((0, 0), B) → b
4. Circle((0, 0), C) → c
5. Circle((0, 0), Db) → db
6. Circle((0, 0), D) → d
7. Circle((0, 0), Eb) → eb
8. Circle((0, 0), E) → e
9. Circle((0, 0), F) → f
10. Circle((0, 0), Gb) → gb
11. Circle((0, 0), G) → g
12. Circle((0, 0), Ab) → ab
13. Intersect(a, yAxis, 2) → H
14. Intersect(a, xAxis, 1) → I
15. Intersect(a, yAxis, 1) → J
16. Polygon(A, H, I, J) → q1, a_1, h, i, j
17. Intersect(bb, yAxis, 1) → K
18. Intersect(bb, yAxis, 2) → L
19. Intersect(bb, xAxis, 1) → M
20. Polygon(K, Bb, L, M) → q2, k, l, l_1, m
21. Point(yAxis) → N
22. Intersect(b, yAxis, 2) → O
23. Intersect(b, xAxis, 1) → P
24. Polygon(N, B, O, P) → q3, n, b_1, o, p
25. Intersect(c, xAxis, 1) → R
26. Point(yAxis) → S
27. Polygon(C, Q, R, S) → q4, c_1, q, r, s
28. Intersect(db, yAxis, 2) → T
29. Intersect(db, xAxis, 1) → U
30. Intersect(db, yAxis, 1) → V
31. Polygon(Db, T, U, V) → q5, t, t_1, u, v
32. Intersect(d, yAxis, 1) → W
33. Intersect(d, yAxis, 2) → Z
34. Intersect(d, xAxis, 1) → A_1
35. Polygon(W, D, Z, A_1) → q6, w, d_1, z_1, f_1
36. Point(eb) → B_1
37. Intersect(eb, yAxis, 2) → C_1
38. Intersect(eb, xAxis, 1) → D_1
39. Polygon(B_1, Eb, C_1, D_1) → q7, g_1, h_1, i_1, j_1
40. Point(e) → F_1
41. Intersect(e, xAxis, 1) → G_1
42. Polygon(E_1, E, F_1, G_1) → q8, e_1, e_2, k_1, m_1
43. Intersect(f, yAxis, 1) → H_1
44. Intersect(f, yAxis, 2) → I_1
45. Intersect(f, xAxis, 1) → J_1
46. Polygon(H_1, F, I_1, J_1) → q9, n_1, f_2, p_1, q_1
47. Intersect(gb, yAxis, 1) → K_1
48. Intersect(gb, yAxis, 2) → L_1
49. Intersect(gb, xAxis, 1) → M_1
50. Polygon(K_1, Gb, L_1, M_1) → q10, r_1, s_1, g_2, h_2
51. Intersect(g, yAxis, 1) → N_1
52. Intersect(g, yAxis, 2) → O_1
53. Intersect(g, xAxis, 1) → P_1
54. Polygon(N_1, G, O_1, P_1) → q11, i_2, g_3, o_1, j_2
55. Intersect(ab, yAxis, 2) → Q_1
56. Intersect(ab, xAxis, 1) → R_1
57. Intersect(ab, yAxis, 1) → S_1
58. Polygon(Ab, Q_1, R_1, S_1) → q12, k_2, l_2, m_2, n_2
59. Area(ab) → u_1
60. PointIn(ab) → Pointab
61. Area(g) → v_1
62. PointIn(g) → Pointg
63. Area(gb) → w_1
64. PointIn(gb) → Pointgb
65. Area(f) → a_2
66. PointIn(f) → Pointf
67. Area(e) → b_2
68. PointIn(e) → Pointe
69. Area(eb) → c_2
70. PointIn(eb) → Pointeb
71. Area(d) → d_2
72. PointIn(d) → Pointd
73. Area(db) → o_2
74. PointIn(db) → Pointdb
75. Area(c) → p_2
76. PointIn(c) → Pointc_{1}
77. PointIn(q12) → Pointq12_{1}
78. PointIn(q12) → Pointq12_{2}
79. Area(a) → q_2
80. PointIn(a) → Pointa
81. Area(bb) → r_2
82. PointIn(bb) → Pointbb
83. Area(b) → s_2
84. PointIn(b) → Pointb
85. PointIn(q12) → Pointq12
86. Area(c) → t_2
87. PointIn(c) → Pointc