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D.5.17.8 integral
Procedure from library schubert.lib (see schubert_lib).
- Usage:
- integral(V,f); V variety, f poly
- Input:
- a abstract variety and a polynomial
- Return:
- int
- Purpose:
- computing intersection numbers.
Example:
| LIB "schubert.lib";
variety G = Grassmannian(2,4);
def r = G.baseRing;
setring r;
integral(G,q(1)^4);
==> 2
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