-- -*- M2-comint -*- hash: 7650524066731301266

i1 : R = CC[x,y]

o1 = R

o1 : PolynomialRing

i2 : F = {x^2+y^2-1, x*y};

i3 : regeneration F 

o3 = a "numerical variety" with components in
     dim 0:  [dim=0,deg=4]-*may be reducible*-

o3 : NumericalVariety

i4 : R = CC[x,y,z]

o4 = R

o4 : PolynomialRing

i5 : sph = (x^2+y^2+z^2-1); 

i6 : regeneration {sph*(x-1)*(y-x^2), sph*(y-2)*(z-x^3)}

o6 = a "numerical variety" with components in
     dim 1:  [dim=1,deg=7]-*may be reducible*-
     dim 2:  [dim=2,deg=2]-*may be reducible*-

o6 : NumericalVariety

i7 : 
