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D.6.20.12 slocus

Procedure from library sing.lib (see sing_lib).

Usage:
slocus(i); i ideal

Return:
ideal of singular locus of i. Quotient rings and rings with integer coefficients are currently not supported.

Example:
 
LIB "sing.lib";
ring r  = 0,(u,v,w,x,y,z),dp;
ideal i = wx,wy,wz,vx,vy,vz,ux,uy,uz,y3-x2;;
slocus(i);
==> _[1]=x
==> _[2]=w
==> _[3]=v
==> _[4]=u
==> _[5]=y2


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