|  |  D.6.3.15 modality Procedure from libraryclassify.lib(see  classify_lib).
 
Example:Usage:
modality(f); f poly
Return:
the modality of the singularity
 |  | LIB "classify.lib";
ring r = 0, (x,y,z), ds;
poly f = (x2+3y-2z)^2+xyz-(x-y3+x2z3)^3;
modality(f);
==> 0
 | 
 
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