三维空间中的向量 by יואב דביר

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → O
2. Vector(O, Px_1) → Ux_1
3. Vector(O, Px_2) → Ux_2
4. Point(yAxis) → Px_3
5. Vector(O, Px_3) → Ux_3
6. Line(O, Px_1) → a
7. Point(prx_1) → x_4
8. Line(O, Px_2) → b
9. Line(O, Px_3) → c
10. Point(prx_2) → x_5
11. Point(prx_{12}) → Px_{12}
12. Segment(x_4, Px_{12}) → d
13. Segment(x_5, Px_{12}) → e
14. Point(prx_3) → x_6
15. Point(prx_{13}) → A
16. Segment(x_6, A) → f
17. Segment(x_4, A) → g
18. Point(prx_{23}) → B
19. Segment(x_6, B) → h
20. Segment(B, x_5) → i
21. Point(Vu) → X
22. Segment(A, X) → j
23. Segment(B, X) → k
24. Segment(Px_{12}, X) → l