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
-- 0.000120563 seconds elapsed
-- 0.000142921 seconds elapsed
-- 0.000125632 seconds elapsed
-- 0.000061558 seconds elapsed
-- 0.000140798 seconds elapsed
-- 0.000119907 seconds elapsed
-- 0.000062752 seconds elapsed
-- 0.000130584 seconds elapsed
-- 0.000127449 seconds elapsed
-- 0.000126084 seconds elapsed
-- 0.000141694 seconds elapsed
-- 0.000125788 seconds elapsed
-- 0.000068373 seconds elapsed
-- 0.000143738 seconds elapsed
-- 0.000126035 seconds elapsed
-- 0.000066827 seconds elapsed
-- 0.000143622 seconds elapsed
-- 0.000131648 seconds elapsed
-- 0.000068722 seconds elapsed
-- 0.000165815 seconds elapsed
-- 0.000181377 seconds elapsed
-- 0.000071011 seconds elapsed
-- 0.000171011 seconds elapsed
-- 0.00018421 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
|