椭圆的定义与轨迹生成动画
2020-10-29 05:34
本GeoGebra范例通过动态几何作图直观演示了椭圆的定义。利用两个定点（焦点）以及动点到两焦点的距离之和为常数的几何性质，通过线段、中垂线、交点及轨迹命令，生动描绘出椭圆的生成过程。该动图有助于学生深入理解圆锥曲线中椭圆的几何本质，是解析几何与几何作图结合的经典教学案例。
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