The Minkowski difference of sets 
and 
is used in two related senses. The pointwise difference is
where the last operation is a Minkowski sum. The
geometric or morphological difference is
The latter operation is also called erosion. Neither operation is generally an inverse of Minkowski addition.
See also
Minkowski Sum,
Set
Difference
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References
Schneider, R. Convex Bodies: The Brunn-Minkowski Theory. Cambridge, England: Cambridge University
Press, 1993.
Cite this as:
Weisstein, Eric W. "Minkowski Difference."
From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/MinkowskiDifference.html
Subject classifications
