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D.16.1.16 isGorenstein
Syntax:
Polymake::isGorenstein( polytope p )
Type:
- int
Purpose:
- 1 if p is Gorenstein, i.e. reflexive after dilitation and translation, 0 otherwise.
Example:
| intmat M[4][3]=1,1,0, 1,0,1, 1,0,0, 1,1,1;
polytope p = polytopeViaPoints(M);
Polymake::isGorenstein(p);
intmat N[3][3]=1,2,0, 1,0,2, 1,-2,-2;
polytope q = polytopeViaPoints(N);
Polymake::isGorenstein(q);
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