向量加法示例 by ani.feb22

GeoGebra 命令及参数

1. Rotate(A, α, B) → A'
2. Angle(A, B, A') → ε
3. Rotate(C, β, B) → C'
4. Angle(C, B, C') → ζ
5. Rotate(D, γ, B) → D'
6. Angle(D, B, D') → η
7. Rotate(E, δ, B) → E'
8. Angle(E, B, E') → θ_1
9. DynamicCoordinates(A, (a * cos(α)), (a * sin(α))) → F_1
10. DynamicCoordinates(B, (b * cos(β)), (b * sin(β))) → F_2
11. DynamicCoordinates(C, (c * cos(γ)), (c * sin(γ))) → F_3
12. DynamicCoordinates(D, (d * cos(δ)), (d * sin(δ))) → F_4
13. Vector(B, F_2) → F_6
14. Vector(B, F_1) → F_5
15. Vector(B, F_3) → F_7
16. Textfield(a) → inputBox1
17. Textfield(b) → inputBox2
18. Textfield(c) → inputBox3
19. Textfield(d) → inputBox4
20. Textfield(α) → inputBox5
21. Textfield(β) → inputBox6
22. Textfield(γ) → inputBox7
23. Textfield(δ) → inputBox8
24. DynamicCoordinates(A, Rx, Ry) → R
25. Vector(B, R) → R_2
26. Vector(B, F_4) → F_8
27. Length(R_2) → i
28. Point(xAxis) → J
29. Angle(J, B, R) → θ