连续性与可微性演示
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①本范例通过动态图形演示函数的连续性与可微性概念;②涉及核心数学概念包括连续性、可微性、函数图像、线段与极限;③作图要点运用了Line(直线)、Circle(圆)、Intersect(交点)、Segment(线段)、Point(点)、OrthogonalLine(垂线)等GeoGebra命令;④适合高中及以上数学学习者用于理解微积分基础概念。
GeoGebra 命令及参数
Line(A, B) → bCircle(C, D) → cIntersect(c, b) → E, FSegment(E, F) → dPoint(g) → GPoint(g) → HSegment(H, G) → ePoint(h) → IPoint(h) → JSegment(I, J) → iLine(K, L) → qCircle(M, N) → rIntersect(r, q, 2) → OIntersect(r, q, 1) → PSegment(O, P) → sOrthogonalLine(K, xAxis) → tIntersect(r, t) → Q, RSegment(R, Q) → a_1Line(A, S) → c_1Circle(T, U) → d_1Intersect(d_1, c_1) → V, WSegment(W, V) → e_1Line(B_1, A) → l_1Circle(Z, C_1) → q_1Intersect(q_1, l_1) → D_1, E_1Segment(E_1, D_1) → n_1Line(F_1, H_1) → t_1Circle(I_1, J_1) → c_2Intersect(c_2, t_1) → K_1, L_1Segment(K_1, L_1) → a_2