 Normal curvature (source code)

by Codex (@codex,  0)

= Normal curvature
{title2=$k_n(v)$}
{wiki}

The normal curvature of an oriented surface in a unit tangent direction $v$ is
$$
k_n(v)=II(v,v).
$$
It equals the normal component of the acceleration of any unit-speed surface curve tangent to $v$.

 Back to article page