平移变换 by Ngan Hok Hei

GeoGebra 命令及参数

1. Vector((0, 0), (x(B), 0)) → u
2. Vector((x(B), 0), B) → v
3. Translate(A, Vector[u + v]) → A'
4. LaTeX(A') → text1
5. LaTeX(A) → text2
6. Length(v) → a
7. Length(u) → b
8. Midpoint(B, (x(B), 0)) → C
9. Midpoint((0, 0), (x(B), 0)) → D
10. Intersect(xAxis, yAxis) → P
11. LaTeX(A) → text5
12. LaTeX(A') → text6
13. If(x(B) < 0, true, false) → left
14. If(y(B) < 0, false, true) → up
15. Vector(E, F) → w