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
-- 0.000104206 seconds elapsed
-- 0.000133431 seconds elapsed
-- 0.000107481 seconds elapsed
-- 0.000054723 seconds elapsed
-- 0.000135594 seconds elapsed
-- 0.000110268 seconds elapsed
-- 0.000056937 seconds elapsed
-- 0.000117652 seconds elapsed
-- 0.000104236 seconds elapsed
-- 0.000107061 seconds elapsed
-- 0.00013823 seconds elapsed
-- 0.000126357 seconds elapsed
-- 0.000056486 seconds elapsed
-- 0.000147326 seconds elapsed
-- 0.000113905 seconds elapsed
-- 0.000053851 seconds elapsed
-- 0.000136677 seconds elapsed
-- 0.000102933 seconds elapsed
-- 0.000056466 seconds elapsed
-- 0.000153079 seconds elapsed
-- 0.000160723 seconds elapsed
-- 0.000054604 seconds elapsed
-- 0.000147908 seconds elapsed
-- 0.000159019 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
|