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D.5.8.11 slocus
Procedure from library sing.lib (see sing_lib).
- Usage:
slocus(i); i ideal
- Return:
ideal of singular locus of i
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 |