两向量相加

GeoGebra 命令及参数

1. Vector(c, d) → B
2. Length(B) → magB
3. Angle(Line[c, xAxis], Line[c, d]) → angleB
4. Vector(a, b) → A
5. Vector(a, (x(b), y(a))) → Ai
6. Vector((x(b), y(a)), b) → Aj
7. Angle(Line[a, xAxis], Line[a, b]) → angleA
8. Segment(C, D) → f
9. Segment(F, G) → g
10. Vector(c, (x(d), y(c))) → Bi
11. Vector((x(d), y(c)), d) → By_1
12. Length(A) → magA
13. Textfield(A_i) → inputAx
14. Textfield(A_j) → inputAy
15. Textfield(sumi) → sum_i
16. Textfield(sumj) → sum_j
17. Textfield(B_i) → InputBx
18. Textfield(By) → InputBy
19. Vector(Rstart, Rend) → Rvec
20. Vector(Rstart, (x(Rend), y(Rstart))) → Rx
21. Vector((x(Rstart) + sumi, y(Rstart)), Rend) → Ry