曲率公式

Posted on 2022-03-06 In 数学

曲率： $K=\frac{|y''|}{[1+(y')^2]^\frac{2}{3}}$

曲率半径： $R=\frac{1}{K}$

参数方程曲率： $K=\frac{|\psi'(t) \phi''(t) - \psi''(t) \phi'(t)|}{[\psi'^2(t) + \phi'^2(t)]^{\frac{3}{2}}}$

Post author: ezhonghu
Post link: https://erzhonghoo.github.io/2022/03/06/曲率/
Copyright Notice: All articles in this blog are licensed under BY-NC-SA unless stating additionally.