Explicit Inversion of Planar NURBS Curves

Michelangelo Marsala, Pablo Mazón

We prove that a general planar NURBS curve parametrization $\ddot{I}•:[u_0,u_m]\to C\subset {\mathbb{R}}^2$ admits an inverse map $\ddot{I}{•}^{-1}:C\to [u_0,u_m]$ defined…