双曲线入门第一部分

GeoGebra 命令及参数

1. Focus(c_2) → F_2, F_1
2. Point(c_2) → M_1
3. Segment(F_1, M_1) → d_1
4. Segment(F_2, M_1) → d_2
5. Asymptote(c_2) → i, j
6. Intersect(j, i) → F
7. Center(Hyperbola[F_2, F_1, b]) → Center
8. Vertex(Hyperbola[F_2, F_1, a]) → V_2, V_1, ,
9. OrthogonalLine(B, xAxis) → e
10. OrthogonalLine(A, xAxis) → f
11. Line(V_1, xAxis) → g
12. Line(V_2, xAxis) → l
13. Intersect(e, g) → C
14. Intersect(f, g) → D
15. Intersect(f, l) → E
16. Intersect(e, l) → G
17. Segment(Center, V_1) → a_1
18. Circle(Center, F_1) → p
19. Point(p) → H
20. Segment(Center, H) → m
21. Segment(Center, H) → n
22. Point(c_2) → M_2
23. Segment(F_1, M_2) → d_4
24. Segment(M_2, F_2) → d_3
25. Line(V_2, yAxis) → q
26. Line(V_1, yAxis) → r
27. Line(I, xAxis) → s
28. Line(K, xAxis) → t
29. Intersect(q, s) → L
30. Intersect(r, s) → M
31. Intersect(r, t) → N
32. Intersect(q, t) → O
33. Polygon(L, M, N, O) → poly2, l_1, b_2, n_1, o
34. Point(l_1) → J
35. Intersect(r, s) → P
36. Segment(V_1, P) → b_1
37. Segment(Center, P) → c