向量的球面表示
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①本范例演示了三维空间中向量的球面方程的向量表示;②涉及的核心数学概念包括向量、三维空间、球面方程、中点、序列等;③作图要点——从下方『构造摘要』提炼用到了 Line, Segment, Polygon, PolyLine, Point, Vector, Midpoint, Sequence 等GeoGebra命令/对象;④适合高中及以上学生学习和理解向量及三维几何。
GeoGebra 命令及参数
Line(D6, D7) → i_1Line(A, i_1) → j_1Segment(D6, D7) → d_1Segment(D7, D4) → d_2Segment(D4, D5) → d_3Segment(D5, D6) → d_4Segment(D2, D3) → d_5Segment(D3, D0) → d_6Segment(D0, D1) → d_7Segment(D1, D2) → d_8Segment(D6, D2) → d_9Segment(D5, D1) → d_{12}Segment(D4, D0) → d_{11}Segment(D7, D3) → d_{10}Polygon(A - e / 5 * u - e / 5 * v, A + e / 5 * u - e / 5 * v, A + e / 5 * u + e / 5 * v, A - e / 5 * u + e / 5 * v) → Vieleck1, f, g, h, iSegment(P_x, P_{xy}) → s2_xSegment(P_y, P_{xy}) → s2_ySegment(P, P_{xy}) → s_pSegment(P_{yz}, P) → s3_xSegment(P_{xz}, P) → s3_ySegment(P_{xz}, P_y) → s2_zSegment(P_{yz}, P_x) → s3_zSegment(P_{yz}, P_z) → cSegment(P_{xz}, P_z) → dPolyLine(D0, P_y, P_{xy}, P) → szyPoint(szy) → Q_2Vector(D0, Q_2) → vqyVector(A, P) → vpVector(A, P_{xy}) → e_1Segment(A, P_y) → s_xSegment(A, P_x) → s_ySegment(A, P_z) → s_zPolygon(A - e / 5 * u - e / 5 * w, A + e / 5 * u - e / 5 * w, A + e / 5 * u + e / 5 * w, A - e / 5 * u + e / 5 * w) → Vieleck2, j, k, l, mPolygon(A - e / 5 * w - e / 5 * v, A + e / 5 * w - e / 5 * v, A + e / 5 * w + e / 5 * v, A - e / 5 * w + e / 5 * v) → Vieleck3, n, p, q, sMidpoint(A, P) → Pos_1Vector(A, M) → v_MVector(M, Q) → v_{MQ}Vector(A, Q) → v_QMidpoint(M, Q) → Pos_2Midpoint(A, Q) → Pos_3Midpoint(A, M) → Pos_4Sequence(Segment[A - e / 5 * u - e / 5 * v + i / 5 * v, A + e / 5 * u - e / 5 * v + i / 5 * v], i, 0, 2 * e) → Liste1Sequence(Segment[A - e / 5 * v - e / 5 * u + i / 5 * u, A + e / 5 * v - e / 5 * u + i / 5 * u], i, 0, 2 * e) → Liste2Sequence(Segment[A - e / 5 * w - e / 5 * v + i / 5 * v, A + e / 5 * w - e / 5 * v + i / 5 * v], i, 0, 2 * e) → Liste3Sequence(Segment[A - e / 5 * v - e / 5 * w + i / 5 * w, A + e / 5 * v - e / 5 * w + i / 5 * w], i, 0, 2 * e) → Liste4Sequence(Segment[A + e / 5 * u - e / 5 * w + i / 5 * w, A - e / 5 * u - e / 5 * w + i / 5 * w], i, 0, 2 * e) → Liste5Sequence(Segment[A - e / 5 * w - e / 5 * u + i / 5 * u, A + e / 5 * w - e / 5 * u + i / 5 * u], i, 0, 2 * e) → Liste6Segment(B_1, B_6) → bb_1Segment(B_8, B_9) → bb_2Segment(B_{10}, B_{11}) → bb_3Segment(B_4, B_7) → bb_4Polygon(B, B_2, B_{13}, B_{12}) → Vieleck4, b_1, b_2, b_{13}, b_{12}Vector(A - e / 5 * v, Pos_y) → v_2Vector(A - e / 5 * u, Pos_x) → u_2Vector(A - e / 5 * w, Pos_z) → w_2
AI 绘图提示语参考
在三维空间中绘制一个球体的向量表示,展示核心数学概念如向量、三维空间、球面方程、中点和序列。首先绘制球体的基本几何形状,包括多个线段连接关键点形成球体表面。接着,从球心向球面上各点绘制向量,并展示向量与球面方程的关系。最后,通过中点和向量运算,可视化球面上的向量场和几何关系,帮助理解向量在三维空间中的应用。
以上提示语为根据原始绘图命令整理而来,仅供参考。