体积与多面体构造:GeoGebra 向量、多边形与序列演示
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本范例在 GeoGebra 中演示与体积和表面相关的几何构造,通过点、线段、直线、多边形、向量和平移建立可交互的空间图形,并用序列批量生成重复对象。核心数学概念包括立体几何、向量、多边形、坐标几何与几何变换。作图要点:使用 Intersect 求交点,Vector、Segment、Line、Point 构建基本几何元素,Polygon 生成 çokgen1、çokgen2、çokgen3 等多边形,Translate 实现平移,Sequence 组织重复结构。适合高中或大学数学课堂用于体积、表面、向量与多面体可视化,也可作为 GeoGebra 几何作图与动态建模示例。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → HVector(H, I) → uSegment(D, C) → bSegment(C, F) → fSegment(D, G) → gSegment(G, F) → hSegment(F, E) → iLine(E, F) → jLine(H, j) → k_1Segment(E, B) → aSegment(B, C) → cPoint(yAxis) → AVector(H, A) → vVector(H, J) → wPolygon(B, C, F, E) → çokgen1, b_1, c_1, f_1, e_1Polygon(C, D, G, F) → çokgen2, c_2, d_1, g_1, f_2Polygon(B, K, D, C) → çokgen3, b_2, k_2, d, c_3Translate(B, u) → B'Translate(K, u) → K'Translate(D, u) → D'Translate(C, u) → C'Intersect(j, f) → LIntersect(g, h) → MLine(L, M) → qTranslate(B, w) → B'_1Translate(K, w) → K'_1Translate(D, w) → D'_1Translate(C, w) → C'_1Translate(B', w) → B''Translate(K', w) → K''Translate(D', w) → D''Translate(C', w) → C''Translate(B'', w) → B'''Translate(K'', w) → K'''Translate(D'', w) → D'''Translate(C'', w) → C'''Translate(B''', w) → NTranslate(K''', w) → OTranslate(D''', w) → PTranslate(C''', w) → QTranslate(N, w) → N'Translate(O, w) → O'Translate(P, w) → P'Translate(Q, w) → Q'Translate(B'', w) → B'''_1Translate(K'', w) → K'''_1Translate(D'', w) → D'''_1Translate(C'', w) → C'''_1Translate(B'''_1, w) → RTranslate(K'''_1, w) → STranslate(D'''_1, w) → TTranslate(C'''_1, w) → UTranslate(R, w) → R'Translate(S, w) → S'Translate(T, w) → T'Translate(U, w) → U'Intersect(j, q) → VIntersect(b, f) → WIntersect(b_2, k_2) → Z_1Intersect(b_2, k_2) → K_1Translate(C, w) → C'_2Translate(D, w) → D'_2Translate(G, w) → G'Translate(F, w) → F'Sequence(Polygon[Translate[B, Vector[i * u]], Translate[K, Vector[i * u]], Translate[D, Vector[i * u]], Translate[C, Vector[i * u]]], i, 1, k - 1) → liste3Sequence(Translate[Element[liste1, 1], Vector[i * u]], i, 1, k - 1) → liste4Sequence(Polygon[Translate[B, Vector[i * u]], Translate[C, Vector[i * u]], Translate[F, Vector[i * u]], Translate[E, Vector[i * u]]], i, 1, k - 1) → liste5Sequence(Segment[Translate[F, Vector[u * i]], Translate[E, Vector[u * i]]], i, 0, k - 1) → liste10Sequence(Translate[liste10, Vector[v * i]], i, 1, o - 1) → liste11Sequence(Segment[Translate[G, Vector[w * i]], Translate[F, Vector[w * i]]], i, 0, m - 1) → liste12Sequence(Translate[liste12, Vector[v * i]], i, 1, o - 1) → liste13