复数积分1/z的映射图

GeoGebra 命令及参数

1. Sequence(t, t, t_0 + dt, t_1 + dt, dt) → t_3
2. Zip(x_C(B) + (y_C(B) * ί), B, t_3) → z_1
3. Sequence(t, t, t_0, t_1, dt) → t_*
4. Zip(x_C(B) + (y_C(B) * ί), B, t_*) → z_*
5. Zip(t - u, t, z_1, u, z_*) → dz_*
6. Sequence((Element[fz_*, k] * Element[dz_*, k]), k, 1, n) → fdz_*
7. Sequence(Sum[fdz_*, k], k, 1, n) → SUMfdz_*
8. Zip((x(B), y(B), ht), B, fz_*) → fpoint_*
9. Vector(z_#, f_{(z#).}) → w
10. CurveCartesian(t, 0, ht, t, -5, 5) → Xh
11. CurveCartesian(0, t, ht, t, -5, 5) → Yh
12. Sphere((0, 0, 4), 1) → RS
13. Intersect(zAxis, RS, 2) → A
14. Segment(A, f_{(z#).}) → f_s
15. Intersect(f_s, RS) → P_∞, C
16. Zip((x(Z), y(Z), ht), Z, SUMfdz_*) → ESum
17. Sequence(Element[dz_*, k], k, 1, n) → dz_n
18. CurveCartesian(x_C(t), y_C(t), t, t_0, t_1) → c
19. Textfield(x_C) → inputBox4
20. Textfield(y_C) → inputBox5
21. Vector(z_#, Pointfz_#) → u
22. Textfield(F) → InputBox1
23. Zip(Vector[A, B], A, z_*, B, ESum) → ESumV_*
24. Zip(Vector[A, B], A, z_*, B, fpoint_*) → fvec_*