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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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