GeoGebra范例：向量、点与轨迹演示

GeoGebra 命令及参数

1. Point(yAxis) → A_1
2. Vector(A_1, B_1) → u
3. Textfield(f) → inputBox1
4. Vector(x_1, y_1) → v
5. Segment(q_x, F) → c
6. Segment(E, F) → d
7. Segment(A_1, x_1) → e
8. Segment(B_1, y_1) → g
9. Segment(B_1, y_1) → h_1
10. Sequence(Vector[(0, i), (2, f(i))], i, -3, 3, 1) → list1
11. Sequence((i, f(i)), i, -3, 3, 1) → list2
12. Vector(G, H) → Extreme
13. Intersect(f, b, 1) → J
14. Intersect(f, b, 2) → L
15. Vector(N, I) → w
16. Vector(M, I) → z
17. Intersect(b, yAxis) → O
18. Vector(P, J) → h
19. Vector(J, P) → i
20. Vector(J, O) → k
21. Vector(O, J) → l
22. Vector(O, L) → m
23. Vector(L, Q) → n
24. Vector(I, N) → p
25. Vector(I, M) → q
26. Vector(Q, L) → r
27. Vector(L, O) → s