椭圆内光线反射的几何作图步骤
2019-08-14 06:33
本范例详细演示了椭圆内光线反射的几何作图过程。基于椭圆的光学性质，即从一个焦点发出的光线经椭圆反射后必经过另一焦点，利用GeoGebra的Point、Ellipse、Sequence等命令动态构建入射光线、法线与反射光线。该构造直观展示了圆锥曲线的光学特性及严谨的几何作图方法，适合解析几何与物理光学的交叉学习。
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\\" + (LaTeX[If[step ≥ 1, "(1)~构思：\\ 在椭圆上分布均匀地取点列作为反射点，\\ 右焦点作为起点，点例中的点作为终点构造向量，形成入射光线，\\ 点例中的点作为起点，左焦点作为终点构造向量，形成反射光线"]]) + "
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\\" + (LaTeX[If[step ≥ 2, "(2)~用基本命令绘制椭圆"]]) + "
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