矩形概率 - 面积之和

GeoGebra 命令及参数

1. Vector((0, c)) → w
2. Vector((b, 0)) → v
3. Vector((b, 0), (b, c)) → u
4. Vector((b, c)) → d
5. Vector((0, c), (b, c)) → m
6. Point(m) → A
7. Point(v) → B
8. Point(w) → C
9. Polygon(A, B, D, C) → poly1, a_1, b_1, d_1, c_1
10. Integral(f, 0, 0.851) → p
11. Integral(f, -500, 500) → Area
12. Integral(f, -0.851, 0.851) → Area_σ
13. Integral(poly1 - f(x), 0, 1) → ε_r
14. Integral(poly1 - ε_r, 0, 1) → Δ_¬
15. Name(Rectangle_¬) → A1
16. Name(ρ_σ) → B1
17. Name(ε_r) → D1
18. Name(Δ_¬) → E1
19. Integral(f(x) / σ, 0, 0.851) → probabilities
20. Integral(1 / σ, 0, 1) → z_σ
21. Name(σ) → C1