映射图形从函数表活动：解析几何与函数图像的结合

GeoGebra 命令及参数

1. Point(y_{axis}) → P5
2. Point(y_{axis}) → P9
3. Point(y_{axis}) → P8
4. Point(y_{axis}) → P7
5. Point(y_{axis}) → P6
6. Point(y_{axis}) → P4
7. Point(y_{axis}) → P3
8. Point(y_{axis}) → P2
9. Point(y_{axis}) → P1
10. SelectedElement(fnlist) → f
11. Point(yAxis) → A
12. If(d ≟ 1, y(A) - f(y(A)), 0) → align
13. Vector(A, B) → u
14. Textfield(f) → inputBox1
15. Textfield(length) → inputBox4
16. Sequence(t, t, y(A) + (n * Δx), y(A) - (n * Δx), (-Δx)) → t_*
17. Zip((k, f(k)), k, t_*) → Graphpts
18. Zip((0, k), k, t_*) → SourcePtsMD
19. Zip(f(k), k, t_*) → ft_*
20. Zip((2, (y_{zoom} * (k + align))), k, ft_*) → TargPts
21. Zip(Vector[(0, k), (2, (y_{zoom} * (m + align)))], k, t_*, m, ft_*) → MD
22. Vector(X_1, Y_1) → v
23. Line(A, B) → h
24. Intersect(g, h, (0, 0)) → C
25. Zip(Vector[A, B], A, SourcePtsMD, B, TGTpts) → TGTarr
26. TableText(Transpose[{Join[{{"x"}, t_*}], Join[{{f}, ft_*}]}], "|_cc") → text13
27. SelectedElement(fnlist) → p
28. Textfield(g) → inputBox2