檢視曲率的原始碼

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中文名；曲率

外文名；curvature

全称；曲线的曲率
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曲线的'''曲率'''（curvature）就是针对曲线上某个点的切线方向角对[[弧长]]的转动率，通过微分来定义，表明曲线偏离直线的程度。

数学上表明曲线在某一点的弯曲程度的[[数值]]。

曲率越大，表示曲线的弯曲程度越大。曲率的倒数就是曲率[[半径]]。<ref>[https://www.zhihu.com/question/25952605 如何简明地解释曲率(curvature)?  ],知乎 , 2019年7月17日</ref>