What's the best way to calculate a 3D (or n-D) centroid?

Question

As part of a project at work I have to calculate the centroid of a set of points in 3D space. Right now I\'m doing it in a way that seems simple but naive -- by taking the avera

Answer 1

Nope, that is the only formula for the centroid of a collection of points. See Wikipedia: http://en.wikipedia.org/wiki/Centroid