i1 : R = QQ[x,y];
|
i2 : S = subring {x*y, x^2*y, x^3*y};
|
i3 : gens S
o3 = | xy x2y x3y |
1 3
o3 : Matrix R <--- R
|
i4 : SB = sagbi(S, Limit => 3);
|
i5 : gens SB
o5 = | xy x2y |
1 2
o5 : Matrix R <--- R
|
i6 : isSAGBI S
-- 0.000239162 seconds elapsed
-- 0.000174922 seconds elapsed
-- 0.000155801 seconds elapsed
-- 0.000096601 seconds elapsed
-- 0.000221042 seconds elapsed
-- 0.000156321 seconds elapsed
-- 0.000090961 seconds elapsed
-- 0.000184241 seconds elapsed
-- 0.000173561 seconds elapsed
-- 0.000219681 seconds elapsed
-- 0.000163242 seconds elapsed
-- 0.000157201 seconds elapsed
-- 0.000092161 seconds elapsed
-- 0.000192562 seconds elapsed
-- 0.000151482 seconds elapsed
-- 0.000095841 seconds elapsed
-- 0.000209322 seconds elapsed
-- 0.000149121 seconds elapsed
-- 0.000109601 seconds elapsed
-- 0.000230842 seconds elapsed
-- 0.000233401 seconds elapsed
-- 0.000094001 seconds elapsed
-- 0.000252642 seconds elapsed
-- 0.000223522 seconds elapsed
timing raw subduction
timing raw subduction
timing raw subduction
timing raw subduction
timing raw subduction
timing raw subduction
timing raw subduction
timing raw subduction
o6 = true
|
i7 : isSAGBI SB
o7 = false
|