图形分类器
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①本范例演示了如何通过 GeoGebra 对不同几何图形(圆形、多边形等)进行分类和属性分析;②涉及的核心数学概念包括相似三角形、三维向量、线性规划、方差、条形图等;③作图要点提炼自构造摘要,使用了 Circle(圆)、Polygon(多边形)、Centroid(质心)等 GeoGebra 命令和对象;④适合高中及以上数学学习者,用于理解几何分类、数据分析及优化算法的直观表达。
GeoGebra 命令及参数
Circle(A, B) → cCircle(C, D) → dCircle(E, F) → eCircle(G, H) → fPolygon(I, J, 4) → poly1, a, b, g, h, K, LPolygon(M, N, 4) → poly2, i, j, k, l, O, PPolygon(Q, R, 4) → poly3, m, n, p, q, S, TPolygon(U, V, 4) → poly4, r, s, t, a_1, W, ZPolygon(A_1, B_1, 4) → poly5, b_1, c_1, d_1, e_1, C_1, D_1Polygon(E_1, F_1, 3) → poly6, f_1, g_1, h_1, G_1Polygon(H_1, I_1, 3) → poly7, i_1, j_1, k_1, J_1Polygon(K_1, L_1, 3) → poly8, l_1, m_1, n_1, M_1Polygon(N_1, O_1, 3) → poly9, p_1, q_1, r_1, P_1Polygon(Q_1, R_1, S_1, T_1) → poly10, q_2, r_2, s_1, t_1Circle(U_1, V_1) → c_2Polygon(W_1, Z_1, A_2, B_2) → poly11, w_1, z_1, a_2, b_2Polygon(C_2, D_2, 4) → poly12, d_2, e_2, f_2, g_2, E_2, F_2Polygon(G_2, H_2, I_2, J_2) → poly13, g_3, h_2, i_2, j_2Polygon(K_2, L_2, 3) → poly14, k_2, l_2, m_2, M_2Circle(N_2, O_2) → p_2Polygon(P_2, Q_2, 3) → poly15, n_2, s_2, t_2, R_2Centroid(poly6) → S_2Centroid(poly7) → V_2Centroid(poly8) → W_2Centroid(poly9) → Z_2Centroid(poly15) → A_3Centroid(poly1) → B_3Centroid(poly2) → C_3Centroid(poly3) → D_3Centroid(poly4) → E_3Centroid(poly5) → F_3