直观导数绘图练习：函数与其导数的图形化探索

GeoGebra 命令及参数

1. FitPoly({A, B, C, D}, 3) → f
2. Point(g) → E
3. Point(h) → F
4. Point(i) → G
5. Point(j) → H
6. Circle(A, 1) → c
7. Circle(B, 1) → d
8. Circle(C, 1) → e
9. Circle(D, 1) → p
10. Intersect(c, k, 1) → I
11. Intersect(c, k, 2) → J
12. Intersect(d, l) → K, L
13. Intersect(e, m) → M, N
14. Intersect(p, n) → O, P
15. Segment(I, J) → q
16. Segment(K, L) → r
17. Segment(M, N) → s
18. Segment(O, P) → t
19. Point(f) → Q
20. Point(a) → R
21. Circle(Q, 1) → c_1
22. Intersect(c_1, b) → S, T
23. Segment(S, T) → f_1
24. Point(f) → V
25. Point(f) → W
26. Point(f) → Z
27. Point(f) → A_1
28. Point(g_1) → B_1
29. Point(h_1) → C_1
30. Point(i_1) → D_1
31. Point(j_1) → E_1
32. Circle(V, 1) → d_1
33. Circle(W, 1) → e_1
34. Circle(Z, 1) → p_1
35. Circle(A_1, 1) → q_1
36. Intersect(p_1, m_1) → F_1, G_1
37. Intersect(q_1, n_1) → H_1, I_1
38. Intersect(e_1, l_1) → J_1, K_1
39. Intersect(d_1, k_1) → L_1, M_1
40. Segment(L_1, M_1) → r_1
41. Segment(J_1, K_1) → s_1
42. Segment(F_1, G_1) → t_1
43. Segment(H_1, I_1) → a_1