双曲线定义演示
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①本范例演示双曲线的定义及其几何性质;②涉及核心数学概念包括双曲线定义、渐近线、离心率、解析几何;③构造要点:使用 GeoGebra 命令 Sequence(数列)、Point(点)、Hyperbola(双曲线)、Circle(圆);④适合高中数学学生及需要直观理解双曲线定义的教育场景。
GeoGebra 命令及参数
Sequence(Circle[E, i], i, 1, 10, 1) → list1Sequence(Circle[F, i], i, 1, 10, 1) → list2Point(xAxis) → AHyperbola(E, F, A) → dCircle(E, 1) → cCircle(E, 2) → fCircle(E, 3) → gCircle(E, 4) → hCircle(E, 5) → kCircle(E, 6) → pCircle(E, 7) → qCircle(E, 8) → rCircle(E, 9) → sCircle(E, 10) → tCircle(F, 1) → d_1Circle(F, 2) → c_1Circle(F, 3) → e_1Circle(F, 4) → f_1Circle(F, 5) → g_1Circle(F, 6) → h_1Circle(F, 7) → k_1Circle(F, 8) → p_1Circle(F, 9) → q_1Circle(F, 10) → r_1