R/containment-and-band-creation.R
    hausdorff_dist.RdNote for delta-ball structure, this could over estimate by the maximum of the 2 defining delta radi, whereas the convex hull structures' hausdorff distance is exact.
hausdorff_dist(a, b)
| a | assumed to either   | 
    
|---|---|
| b | same class as a  | 
    
hausdorff distance between 2 sets