English
The Hausdorff edistance between two sets is the smallest r such that each set lies within the r-neighborhood of the other.
Русский
Расстояние Хаусдорфа между двумя множества miнима́льно r, чтобы каждое множество находилось в r-окрестности другого.
LaTeX
$$$\operatorname{hausdorffEdist}(s,t) = \max\left(\sup_{x \in s} \infEdist x t,\; \sup_{y \in t} \infEdist y s\right)$$$
Lean4
/-- The Hausdorff edistance between two sets is the smallest `r` such that each set
is contained in the `r`-neighborhood of the other one -/
def hausdorffEdist :=
val_proj @wrapped✝.{}