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
-- 0.00618752 seconds elapsed
-- 0.00711582 seconds elapsed
-- 0.00663082 seconds elapsed
-- 0.00393701 seconds elapsed
-- 0.00888572 seconds elapsed
-- 0.00795742 seconds elapsed
-- 0.0017084 seconds elapsed
-- 0.00469471 seconds elapsed
-- 0.00415641 seconds elapsed
-- 0.00569971 seconds elapsed
-- 0.00867092 seconds elapsed
-- 0.00706302 seconds elapsed
-- 0.0017364 seconds elapsed
-- 0.00632781 seconds elapsed
-- 0.00534851 seconds elapsed
-- 0.0017464 seconds elapsed
-- 0.00565421 seconds elapsed
-- 0.00423371 seconds elapsed
-- 0.0019604 seconds elapsed
-- 0.00633551 seconds elapsed
-- 0.00861062 seconds elapsed
-- 0.0016286 seconds elapsed
-- 0.00521881 seconds elapsed
-- 0.00581211 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
|