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
-- 0.0051936 seconds elapsed
-- 0.0063178 seconds elapsed
-- 0.0065444 seconds elapsed
-- 0.0033201 seconds elapsed
-- 0.0099947 seconds elapsed
-- 0.007562 seconds elapsed
-- 0.0019552 seconds elapsed
-- 0.0059516 seconds elapsed
-- 0.0050574 seconds elapsed
-- 0.0071964 seconds elapsed
-- 0.0097819 seconds elapsed
-- 0.0095244 seconds elapsed
-- 0.0041759 seconds elapsed
-- 0.0112777 seconds elapsed
-- 0.0095545 seconds elapsed
-- 0.002062 seconds elapsed
-- 0.01049 seconds elapsed
-- 0.0088254 seconds elapsed
-- 0.0040802 seconds elapsed
-- 0.012036 seconds elapsed
-- 0.0129816 seconds elapsed
-- 0.0025018 seconds elapsed
-- 0.0069382 seconds elapsed
-- 0.007084 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
|