复杂形状的几何构造与函数图示
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这个范例展示了复杂多边形与函数图像的结合,核心数学概念包括几何变换、函数图与向量运算。作图要点涉及Polygon、LineBisector、Circle等GeoGebra命令,以及多边形、圆、向量等对象的构造。适合高中生或大学低年级学生用于几何与函数综合学习。
GeoGebra 命令及参数
Polygon(A, B, 8) → poly1, f, D, E, F, G, H, g, h, i, j, k, l, m, CLineBisector(G, H) → nLineBisector(H, A) → pLineBisector(A, B) → qLineBisector(B, C) → rIntersect(n, l) → IIntersect(r, k) → JIntersect(q, j) → KIntersect(p, i) → LIntersect(n, h) → MIntersect(r, g) → NIntersect(q, f) → OIntersect(p, m) → PIntersect(n, p) → QCircle(Q, M) → cPoint(n) → RCircle(Q, R) → dIntersect(d, q, 2) → SIntersect(d, n, 2) → TIntersect(d, r, 1) → UIntersect(d, q, 1) → VIntersect(d, p, 1) → WIntersect(d, r, 2) → ZIntersect(d, p, 2) → A_1Segment(G, Z) → sSegment(Z, F) → tSegment(F, S) → aSegment(S, E) → bSegment(E, A_1) → eSegment(A_1, D) → f_1Segment(T, D) → g_1Segment(T, C) → h_1Segment(U, C) → i_1Segment(U, B) → j_1Segment(V, B) → k_1Segment(V, A) → l_1Segment(W, A) → m_1Segment(H, W) → n_1Segment(R, H) → p_1Segment(R, G) → q_1Polygon(G, Z, B, V, A, W, H, R, F, S, E, A_1, D, T, C, U) → poly2, g_2, u, b_1, v, a_2, w, h_2, r_1, z_1, f_2, s_1, e_1, a_1, d_1, t_1, c_1Point(Circle[B_1, Segment[G, Z]]) → C_1Rotate(C_1 + (Segment[Z, F], 0), Angle[F - Z] + Angle[C_1 - B_1] - Angle[Z - G], C_1) → D_1Rotate(D_1 + (Segment[F, S], 0), Angle[S - F] + Angle[D_1 - C_1] - Angle[F - Z], D_1) → E_1Rotate(E_1 + (Segment[S, E], 0), Angle[E - S] + Angle[E_1 - D_1] - Angle[S - F], E_1) → F_1Rotate(F_1 + (Segment[E, A_1], 0), Angle[A_1 - E] + Angle[F_1 - E_1] - Angle[E - S], F_1) → G_1Rotate(G_1 + (Segment[A_1, D], 0), Angle[D - A_1] + Angle[G_1 - F_1] - Angle[A_1 - E], G_1) → H_1Rotate(H_1 + (Segment[D, T], 0), Angle[T - D] + Angle[H_1 - G_1] - Angle[D - A_1], H_1) → I_1Rotate(I_1 + (Segment[T, C], 0), Angle[C - T] + Angle[I_1 - H_1] - Angle[T - D], I_1) → J_1Rotate(J_1 + (Segment[C, U], 0), Angle[U - C] + Angle[J_1 - I_1] - Angle[C - T], J_1) → K_1Rotate(K_1 + (Segment[U, B], 0), Angle[B - U] + Angle[K_1 - J_1] - Angle[U - C], K_1) → L_1Rotate(L_1 + (Segment[B, V], 0), Angle[V - B] + Angle[L_1 - K_1] - Angle[B - U], L_1) → M_1Rotate(M_1 + (Segment[V, A], 0), Angle[A - V] + Angle[M_1 - L_1] - Angle[V - B], M_1) → N_1Rotate(N_1 + (Segment[A, W], 0), Angle[W - A] + Angle[N_1 - M_1] - Angle[A - V], N_1) → O_1Rotate(O_1 + (Segment[W, H], 0), Angle[H - W] + Angle[O_1 - N_1] - Angle[W - A], O_1) → P_1Rotate(P_1 + (Segment[H, R], 0), Angle[R - H] + Angle[P_1 - O_1] - Angle[H - W], P_1) → Q_1Polygon(A_3, B_2, 8) → poly1_1, f_4, D_2, E_2, F_2, G_2, H_2, g_4, h_4, i_2, j_2, k_2, l_2, m_2, C_2LineBisector(G_2, H_2) → n_2LineBisector(H_2, A_3) → p_2LineBisector(A_3, B_2) → q_2LineBisector(B_2, C_2) → r_3Intersect(n_2, p_2) → Q_2Point(n_2) → R_1Circle(Q_2, R_1) → d_3Intersect(d_3, q_2, 2) → S_1Intersect(d_3, n_2, 2) → T_1Intersect(d_3, r_3, 1) → U_1Intersect(d_3, q_2, 1) → V_1Intersect(d_3, p_2, 1) → W_1Intersect(d_3, r_3, 2) → Z_1Intersect(d_3, p_2, 2) → A_2Segment(G_2, Z_1) → s_3Segment(Z_1, F_2) → t_3Segment(F_2, S_1) → a_5Segment(S_1, E_2) → b_3Segment(E_2, A_2) → e_3Segment(A_2, D_2) → f_5Segment(T_1, D_2) → g_5Segment(T_1, C_2) → h_5Segment(U_1, C_2) → i_3Segment(U_1, B_2) → j_3Segment(V_1, B_2) → k_3Segment(V_1, A_3) → l_3Segment(W_1, A_3) → m_3Segment(H_2, W_1) → n_3Segment(R_1, H_2) → p_3Segment(R_1, G_2) → q_3Polygon(G_2, Z_1, B_2, V_1, A_3, W_1, H_2, R_1, F_2, S_1, E_2, A_2, D_2, T_1, C_2, U_1) → poly2_1, g_3, u_1, b_2, v_1, a_4, w_1, h_3, r_2, z_2, f_3, s_2, e_2, a_3, d_2, t_2, c_2Intersect(f_1, a_1) → I_2Intersect(f_1, a_1) → J_2Rotate(G, 22.5°, Q) → G'Rotate(Z, 22.5°, Q) → Z'Rotate(F, 22.5°, Q) → F'Rotate(S, 22.5°, Q) → S'Rotate(E, 22.5°, Q) → E'Rotate(A_1, 22.5°, Q) → K_2Rotate(D, 22.5°, Q) → D'Rotate(T, 22.5°, Q) → T'Rotate(C, 22.5°, Q) → C'Rotate(U, 22.5°, Q) → U'Rotate(B, 22.5°, Q) → B'Rotate(V, 22.5°, Q) → V'Rotate(A, 22.5°, Q) → A'Rotate(W, 22.5°, Q) → W'Rotate(H, 22.5°, Q) → H'Rotate(R, 22.5°, Q) → R'Polygon(G', Z', B', V', A', W', H', R', F', S', E', K_2, D', T', C', U') → poly2', g', u', b', v', a', w', h', r', z', f', s', e', c_3, d', t', c'Line(L_2, M_2) → i_4Mirror(G_2, i_4) → N_2Mirror(Z_1, i_4) → O_2Mirror(F_2, i_4) → P_2Mirror(S_1, i_4) → R_2Mirror(E_2, i_4) → S_2Mirror(A_2, i_4) → T_2Mirror(D_2, i_4) → U_2Mirror(T_1, i_4) → V_2Mirror(C_2, i_4) → W_2Mirror(U_1, i_4) → Z_2Mirror(B_2, i_4) → B_3Mirror(V_1, i_4) → C_3Mirror(A_3, i_4) → D_3Mirror(W_1, i_4) → E_3Mirror(H_2, i_4) → F_3Mirror(R_1, i_4) → G_3Polygon(N_2, O_2, B_3, C_3, D_3, E_3, F_3, G_3, P_2, R_2, S_2, T_2, U_2, V_2, W_2, Z_2) → poly3, j_4, p_4, q_4, r_4, s_4, t_4, b_4, c_4, o_2, k_4, l_4, m_4, n_4, u_2, v_2, w_2Segment(H_3, I_3) → d_4Mirror(N_2, d_4) → J_3Mirror(O_2, d_4) → K_3Mirror(P_2, d_4) → L_3Mirror(R_2, d_4) → M_3Mirror(S_2, d_4) → N_3Mirror(T_2, d_4) → O_3Mirror(U_2, d_4) → P_3Mirror(V_2, d_4) → Q_3Mirror(W_2, d_4) → R_3Mirror(Z_2, d_4) → S_3Mirror(B_3, d_4) → T_3Mirror(C_3, d_4) → U_3Mirror(D_3, d_4) → V_3Mirror(E_3, d_4) → W_3Mirror(F_3, d_4) → Z_3Mirror(G_3, d_4) → A_4Polygon(J_3, K_3, T_3, U_3, V_3, W_3, Z_3, A_4, L_3, M_3, N_3, O_3, P_3, Q_3, R_3, S_3) → poly3', e_4, q_5, r_5, u_3, v_3, w_3, z_3, s_5, i_5, j_5, k_5, l_5, o_3, m_5, n_5, p_5Mirror(G_2, d_4) → B_4Mirror(Z_1, d_4) → C_4Mirror(F_2, d_4) → D_4Mirror(S_1, d_4) → E_4Mirror(E_2, d_4) → F_4Mirror(A_2, d_4) → G_4Mirror(D_2, d_4) → H_4Mirror(T_1, d_4) → I_4Mirror(C_2, d_4) → J_4Mirror(U_1, d_4) → K_4Mirror(B_2, d_4) → L_4Mirror(V_1, d_4) → M_4Mirror(A_3, d_4) → N_4Mirror(W_1, d_4) → O_4Mirror(H_2, d_4) → P_4Mirror(R_1, d_4) → Q_4Polygon(B_4, C_4, L_4, M_4, N_4, O_4, P_4, Q_4, D_4, E_4, F_4, G_4, H_4, I_4, J_4, K_4) → poly4, t_5, i_6, j_6, k_6, l_6, o_4, m_6, n_6, b_5, c_5, d_5, e_5, f_6, g_6, ı_4, h_6