STK_MINDIST computes the separation distance of a set of points
CALL: D = stk_mindist(X)
computes the separation distance D of X. More precisely, if X is an
n x d matrix, then
D = min_{1 <= i < j <= n} norm(X(i,:) - X(j,:)),
where norm(.) denotes the Euclidean norm in R^d.
See also: stk_dist, stk_filldist
Package: stk