直线的斜率：水平变化与铅垂变化
2024-08-23 01:23
本范例演示如何通过直线上任意两点之间的水平变化（run）与铅垂变化（rise）来计算斜率。构造中包含可交互的点A、B，以及用于可视化水平位移与铅垂位移的向量u、v，辅助学习者直观理解斜率公式 m = rise / run 的几何意义。通过分步展示与动态调整，帮助掌握解析几何中直线斜率的核心概念。
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