向量作为平移的介绍

GeoGebra 命令及参数

1. Segment(C, D) → a
2. Point(a) → E
3. Line(A, B) → b
4. OrthogonalLine(E, b) → c
5. Point(c) → F
6. Segment(E, F) → d
7. OrthogonalLine(F, d) → e
8. Point(e) → G
9. Mirror(G, F) → Z
10. OrthogonalLine(G, e) → f
11. OrthogonalLine(Z, e) → g
12. Circle(G, F) → h
13. Circle(Z, F) → k
14. Intersect(h, f) → H, I
15. Intersect(k, g) → Y, K
16. Polygon(H, Y, Z, G) → poly1, h_1, j, g', g_1
17. Point(a) → E'
18. Vector(E, E') → u
19. Translate(H, u) → H'
20. Translate(Y, u) → Y'
21. Translate(Z, u) → Z'
22. Translate(G, u) → G'
23. Polygon(H', Y', Z', G') → poly1', h', j', g'', g'_1
24. Translate(E, u) → E'_1
25. Translate(F, u) → F'
26. Segment(E'_1, F') → d'
27. Vector(Z, Z') → v
28. Vector(Y, Y') → w