视觉模式168：动态线性序列与几何变换

GeoGebra 命令及参数

1. Polygon(A, B, 5) → poly1, f, g, h, i, j, C, D, E
2. Centroid(poly1) → F
3. Circle(F, G) → c
4. Segment(F, B) → k
5. Segment(F, C) → l
6. Segment(F, D) → m
7. Segment(F, E) → n_1
8. Segment(F, A) → p
9. Intersect(c, n_1, 1) → H
10. Intersect(c, m, 1) → I
11. Intersect(c, l, 1) → J
12. Intersect(c, k, 1) → K
13. Intersect(c, p, 1) → L
14. Circle(A, L) → d
15. Circle(B, K) → e
16. Circle(C, J) → q
17. Circle(D, I) → r
18. Circle(E, H) → s
19. Intersect(r, s) → M, N, ,
20. Circle(F, M) → t
21. Vector(O, P) → u
22. Translate(l1, u) → l1'
23. Translate(t, u) → t'
24. Translate(l1', u) → l1''
25. Translate(t', u) → t''
26. Translate(l1'', u) → l1'''
27. Translate(t'', u) → t'''
28. Vector(Q, R) → v
29. Translate(l1', v) → l1''_1
30. Translate(t', v) → t''_1
31. Sequence(Translate[l1''_1, Vector[((k - 1) * v)]], k, 1, n) → l4
32. Sequence(Translate[l2, Vector[((1 - k) * v)]], k, 1, n) → l3
33. Sequence(Translate[t''_1, Vector[((k - 1) * v)]], k, 1, n) → l5
34. Sequence(Translate[l6, Vector[((1 - k) * v)]], k, 1, n) → l7