平方根螺旋动画
几何画板及绘图内容加载中,请稍等……
①本范例通过动画演示了平方根螺旋的生成过程,展示了点随着距离原点距离的平方根增长而运动形成的轨迹;②涉及的核心数学概念包括平方根函数、几何作图、解析几何和动态几何;③作图要点提炼自构造摘要,使用了Intersect(交点)、Circle(圆)、Segment(线段)、OrthogonalLine(垂线)、Polygon(多边形)等GeoGebra命令和对象;④适合高中及以上数学学习者,用于理解函数图像的动态变化和几何作图的技巧。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → BCircle(B, 1) → cIntersect(c, yAxis) → B_2, ZIntersect(c, xAxis) → D_2, CSegment(Z, B) → a_4Segment(B, C) → bSegment(Z, C) → dOrthogonalLine(C, d) → eCircle(C, 1) → fIntersect(f, e) → F_2, DSegment(Z, D) → gOrthogonalLine(D, g) → hCircle(D, 1) → kIntersect(k, h) → H_2, ESegment(C, D) → iSegment(D, E) → jSegment(Z, E) → lOrthogonalLine(E, l) → mCircle(E, 1) → pIntersect(p, m) → J_1, FSegment(E, F) → nSegment(Z, F) → qOrthogonalLine(F, q) → rCircle(F, 1) → sIntersect(s, r) → L_1, GSegment(F, G) → tSegment(Z, G) → a_1OrthogonalLine(G, a_1) → b_1Circle(G, 1) → c_1Intersect(c_1, b_1) → N_1, HSegment(Z, H) → d_1OrthogonalLine(H, d_1) → e_1Circle(H, 1) → f_1Intersect(f_1, e_1) → P_1, ISegment(Z, I) → g_1Segment(G, H) → h_1Segment(H, I) → i_1OrthogonalLine(I, g_1) → j_1Circle(I, 1) → k_1Intersect(k_1, j_1) → R, JSegment(I, J) → l_1Segment(J, Z) → m_1OrthogonalLine(J, m_1) → n_1Circle(J, 1) → p_1Intersect(p_1, n_1) → K, USegment(K, Z) → q_1Segment(J, K) → r_1OrthogonalLine(K, q_1) → s_1Circle(K, 1) → t_1Intersect(t_1, s_1) → L, WSegment(K, L) → a_2Segment(L, Z) → b_2OrthogonalLine(L, b_2) → c_2Circle(L, 1) → d_2Intersect(d_2, c_2) → M, A_1Segment(L, M) → e_2Segment(M, Z) → f_2OrthogonalLine(M, f_2) → g_2Circle(M, 1) → h_2Intersect(h_2, g_2) → N, C_1Segment(M, N) → i_2Segment(N, Z) → j_2OrthogonalLine(N, j_2) → k_2Circle(N, 1) → p_2Intersect(p_2, k_2) → O, E_1Segment(N, O) → l_2Segment(O, Z) → m_2OrthogonalLine(O, m_2) → n_2Circle(O, 1) → q_2Intersect(q_2, n_2) → P, G_1Segment(O, P) → r_2Segment(P, Z) → s_2OrthogonalLine(P, s_2) → t_2Circle(P, 1) → c_3Intersect(c_3, t_2) → Q, I_1Segment(P, Q) → a_3Segment(Q, Z) → b_3Polygon(B, C, Z) → poly1, z_1, b_4, c_4Polygon(C, D, Z) → poly2, z_2, c_5, d_3Polygon(D, E, Z) → poly3, z_3, d_4, e_3Polygon(E, F, Z) → poly4, z_4, e_4, f_3Polygon(F, G, Z) → poly5, z_5, f_4, g_3Polygon(G, H, Z) → poly6, z_6, g_4, h_3Polygon(H, I, Z) → poly7, z_7, h_4, i_3Polygon(I, J, Z) → poly8, z_8, i_4, j_3Polygon(J, K, Z) → poly9, z_9, j_4, k_3Polygon(K, L, Z) → poly10, z_{10}, k_4, l_3Polygon(L, M, Z) → poly11, z_{11}, l_4, m_3Polygon(M, N, Z) → poly12, z_{12}, m_4, n_3Polygon(N, O, Z) → poly13, z_{13}, n_4, oPolygon(O, P, Z) → poly14, z_{14}, o_1, p_3Polygon(P, Q, Z) → poly15, z_{15}, p_4, q_3