向量加法 by Dr Phil Clark

GeoGebra 命令及参数

1. Vector(C, D) → v
2. Vector(A, B) → u
3. Vector(A, D) → w
4. Midpoint(A, D) → E
5. Midpoint(A, B) → F
6. Midpoint(B, D) → G
7. Angle(w2) → α
8. Length(u) → ulength
9. Length(w) → wlength
10. Length(v) → vlength
11. Vector(C, (x(D), y(C))) → z
12. Point(z) → H
13. Vector(A, (x(B), y(A))) → c
14. Point(c) → I
15. Vector(A, (x(w2) + x(A), y(A))) → g
16. Point(g) → J
17. Vector(C, (x(C), y(D))) → b
18. Vector(A, (x(A), y(B))) → d
19. Vector(A, (x(A), y(w2) + y(A))) → h
20. Angle(u) → β
21. Vector(C_1, D_1) → v_1
22. Vector(A_1, B_1) → u_1
23. Vector(A_1, D_1) → w_1
24. Midpoint(A_1, D_1) → E_1
25. Midpoint(A_1, B_1) → F_1
26. Midpoint(B_1, D_1) → G_1
27. Angle(v) → γ
28. Vector(C_2, D_2) → v_2
29. Vector(A_2, B_2) → u_2
30. Midpoint(A_2, B_2) → F_2
31. Length(u_2) → ulength_1
32. Angle(u_2) → β_1