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
-- 0.000115597 seconds elapsed
-- 0.000129374 seconds elapsed
-- 0.000116911 seconds elapsed
-- 0.000060443 seconds elapsed
-- 0.00015359 seconds elapsed
-- 0.000121759 seconds elapsed
-- 0.000059112 seconds elapsed
-- 0.000130446 seconds elapsed
-- 0.000110959 seconds elapsed
-- 0.000125727 seconds elapsed
-- 0.000136327 seconds elapsed
-- 0.000133312 seconds elapsed
-- 0.000073459 seconds elapsed
-- 0.000136106 seconds elapsed
-- 0.000109526 seconds elapsed
-- 0.000056747 seconds elapsed
-- 0.000146727 seconds elapsed
-- 0.000108024 seconds elapsed
-- 0.000061787 seconds elapsed
-- 0.000156676 seconds elapsed
-- 0.000165091 seconds elapsed
-- 0.00005802 seconds elapsed
-- 0.000761076 seconds elapsed
-- 0.000196881 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
|