椭圆的定义与几何作图
2018-05-01 00:22
本范例通过几何作图的方法演示椭圆的定义。利用两个辅助圆及正交线、交点和轨迹命令，动态生成椭圆上的点并描绘出完整的椭圆轨迹。该构造直观展示了椭圆作为平面内到两定点距离之和为常数的点的轨迹这一核心几何性质，适合用于解析几何与圆锥曲线的教学演示。
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