房屋示例

GeoGebra 命令及参数

1. Point(yAxis) → B
2. Point(xAxis) → C
3. Intersect(xAxis, yAxis) → D
4. Polygon(D, B, A, C) → q1, d, b, a, c
5. Point(c) → F
6. Point(c) → G
7. Polygon(E, F, G, H) → q2, e, f, g, h
8. Polygon(I, J, K, L) → q3, i, j, k, l
9. Polygon(B, M, N, A) → q4, b_1, m, n, a_1
10. Polygon(A1, B1, D, C1) → q5, t, f_1, g_1, h_1
11. Polygon(L1, K1, J1, I1) → q6, l1, k1, j1, i1
12. Polygon(A1, N1, M1, B1) → q8, p, q, r, s
13. Textfield(T) → Matrix
14. Vector((1, 0)) → e1
15. Vector((0, 1)) → e2
16. Vector((T * e1)) → Te1
17. Vector((T * e2)) → Te2
18. Polygon(E1, F1, G1, H1) → D2, i_1, j_1, k_1, l_1
19. Textfield(T_1) → Matrix_1
20. Determinant(T) → detT
21. Intersect(d, c) → O
22. Line(O, EV1) → m_1
23. Line(O, EV2) → n_1