双曲线绘图

GeoGebra 命令及参数

1. Hyperbola(F2, F1, A1) → d
2. Hyperbola(F3, F4, A4) → e
3. If(h ≟ 0, "x²", "(" + f + ")²") → tx
4. If(k ≟ 0, "y²", "(" + g + ")²") → ty
5. Circle(O, F3) → p
6. Line(A3, xAxis) → l
7. Line(A4, xAxis) → m
8. Intersect(p, l) → A, B
9. Intersect(p, m) → C, D
10. Segment(A, B) → q
11. Segment(D, B) → r
12. Segment(A, C) → s
13. Segment(D, C) → t
14. Line(C, B) → f_1
15. Line(A, D) → g_1
16. Midpoint(A, C) → E
17. Midpoint(B, D) → F
18. Segment(A3, A4) → h_1
19. Segment(E, F) → i_1
20. Circle(O, F1) → c_1
21. Line(A1, yAxis) → j_1
22. Line(A2, j_1) → k_1
23. Intersect(c_1, k_1) → G, H
24. Intersect(c_1, j_1) → I, J
25. Line(G, J) → l_1
26. Line(H, I) → m_1
27. Polygon(H, G, I, J) → q1, h_2, g_2, i_2, j_2
28. Midpoint(H, J) → K
29. Midpoint(G, I) → L
30. Segment(K, L) → n_1
31. Segment(A2, A1) → p_1
32. Point(d) → M
33. Segment(F2, M) → q_1
34. Segment(M, F1) → r_1
35. Point(e) → N
36. Segment(F3, N) → s_1
37. Segment(N, F4) → t_1
38. If(Mod[b, 1] ≟ 0, "" + b, text14) → bo
39. SurdText(a / b) → text16
40. SurdText(b / a) → text17