映射图与函数图像基础示例

GeoGebra 命令及参数

1. Point(yAxis) → A
2. Point(Target) → LIM
3. Vector(A, LIM) → f
4. Textfield(f_1) → inputBox1
5. Vector(x_1, y_1) → v
6. Segment(f_a, F) → c
7. Segment(E, F) → d
8. Segment(A, x_1) → e
9. Segment(LIM, y_1) → g
10. Segment(LIM, y_1) → h
11. Line(x_1, y_1) → i
12. Textfield(f_1) → inputBox2
13. Derivative(f_1) → q
14. Segment(C, D) → b
15. Segment((0, y(A) - δ), (0, y(A) + δ)) → m
16. Point(yAxis) → I
17. Vector(I, J) → u
18. Intersect(n, p) → K
19. Intersect(a, p) → L
20. Intersect(a, r) → M
21. Intersect(n, r) → N
22. Polygon(K, L, M, N) → poly1, k_1, l_1, m_1, n_1
23. Sequence((0, xk), xk, y(A) - δ, y(A) + δ, δ / 8) → testx
24. Sequence((2, f_1(xk)), xk, y(A) - δ, y(A) + δ, δ / 8) → testy
25. Sequence(Vector[(0, xk), (2, f_1(xk))], xk, y(A) - δ, y(A) + δ, δ / 8) → list1
26. Textfield(ε) → inputBox3
27. Textfield(δ) → inputBox4