反射与折射

GeoGebra 命令及参数

1. Point(xAxis) → C
2. Segment(E, F) → b
3. Rotate(B, a1, A) → B'
4. Segment(B', A) → d
5. Rotate(B', (-a1) - 3.14159 + asin((n1 * sin(a1) / n2)), A) → BR
6. Mirror(B', b) → B''
7. Angle(E, A, B') → α
8. Angle(B'', A, E) → β
9. Angle(F, A, BR) → γ
10. Point(xAxis) → D
11. Point(xAxis) → G
12. Polygon(D, G, H, I) → poly1, d_1, g, h, i
13. Polygon(D, J, K, G) → poly2, d_2, j, k, g_1
14. Segment(D, G) → c
15. Ray(A, B'') → a
16. Ray(A, BR) → f
17. Polygon(L_1, M_1, N_1, O_1) → poly3_1, l_1, m_1, n_1, o_1
18. Polygon(L_3, M_3, N_3, O_3) → poly3_3, l_3, m_3, n_3, o_3
19. Polygon(L_4, M_4, N_4, O_4) → poly3_2, l_2, m_2, n_2, o_2
20. Polygon(L_5, M_5, N_5, O_5) → poly3_4, l_4, m_4, n_4, o_4
21. Ray(B', A) → n
22. Point(n) → P
23. Angle(BR, A, P) → δ
24. Angle(P, A, BR) → ε
25. Textfield(n2) → inputBox1
26. Textfield(n1) → inputBox2
27. Textfield(a1) → inputBox3