Symbols:Greek/Kappa/Curvature

Curvature

$\kappa$

Let $C$ be a curve defined by a real function which is twice differentiable.

The curvature of a $C$ is the reciprocal of the radius of the osculating circle to $C$ and is often denoted $\kappa$ (Greek kappa).

The $\LaTeX$ code for $\kappa$ is \kappa .