椭圆图形绘制与标注

GeoGebra 命令及参数

1. Ellipse(A, B, C) → c
2. Line(A, B) → a
3. Intersect(c, a, 1) → D
4. Intersect(c, a, 2) → E
5. Segment(D, E) → b
6. Midpoint(B, A) → F
7. OrthogonalLine(F, b) → d
8. Intersect(c, d, 1) → G
9. Segment(C, G) → e
10. Segment(C, H) → f
11. Segment(G, I) → g
12. Vector(H, I) → u
13. Vector(I, H) → v
14. Segment(D, J) → h
15. Segment(E, K) → i
16. Vector(K, J) → w
17. Vector(J, K) → k
18. Point(e) → L
19. Point(h) → M
20. Vector(L, M) → j
21. Vector(M, L) → l
22. Point(g) → N
23. Textfield(text) → inputBox3
24. Textfield(text1) → inputBox5
25. Textfield(text2) → inputBox6
26. Textfield(text3) → inputBox1
27. Textfield(text4) → inputBox2
28. Textfield(text5) → inputBox4
29. Textfield(text6) → inputBox7
30. Point(b) → O
31. Vector(O, N) → m
32. Vector(N, O) → n
33. Segment(B, P) → p
34. Segment(A, Q) → q
35. Segment(F, R) → r
36. Segment(S, E) → s
37. Segment(T, D) → t
38. Textfield(text9) → inputBox8
39. Textfield(text10) → inputBox9