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D.5.9.3 discrepancy

Procedure from library reszeta.lib (see reszeta_lib).

Usage:
discrepancy(L);
L = list of rings

Assume:
L is the output of resolution of singularities

Retrun:
discrepancies of the given resolution

Example:
 
LIB "reszeta.lib";
ring R=0,(x,y,z),dp;
ideal I=x2+y2+z3;
list re=resolve(I);
discrepancy(re);
==> 0,1,1

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