initial infrastructure to support radial basis functions as an alternative MeshfreeInterpolation scheme
Wendland Radial Basis Function
beginnings of Radial Basis Interpolation implementation
initialize the bounding box
use normalized radius
initial radial basis interpolation implementation
demo RBI with misc/ex8
Merge branch 'radial_basis' of https://github.com/benkirk/libmesh into radial_basis