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D.6.15.12 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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