The Prime Factor Algorithm (PFA) [1] is a Fast Fourier Transform (FFT) algorithm [2] discovered by Good and Thomas before the more popular Cooley-Tukey algorithm with ...

The acronym VNF stands for Vertices 'N' Faces. You have probably already come across the concept of vertices and faces when working with the OpenSCAD built-in module polyhedron(). A polyhedron() in it ...