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D.6.4.1 classifyCeq

Procedure from library classifyceq.lib (see classifyceq_lib).

Usage:
classifyCeq(f); f poly

Return:
string including the Tjurina number of f and its type in the classification of Greuel and Kroening

Example:
 
LIB "classifyceq.lib";
ring R=3,(x,y,z,u,v,w),ds;
classifyCeq(-x2+xy+y2+xz-yz-z2+w2+u3+v4);
==> The given function defines a simple singularity.
==> The tjurina number is 9.
==> E^0[6]:x^3+y^4
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