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
-- 0.000132136 seconds elapsed
-- 0.000139604 seconds elapsed
-- 0.000122166 seconds elapsed
-- 0.000072781 seconds elapsed
-- 0.000152918 seconds elapsed
-- 0.000124674 seconds elapsed
-- 0.000067565 seconds elapsed
-- 0.000138799 seconds elapsed
-- 0.000123021 seconds elapsed
-- 0.000131812 seconds elapsed
-- 0.000140677 seconds elapsed
-- 0.000129127 seconds elapsed
-- 0.000073236 seconds elapsed
-- 0.000145062 seconds elapsed
-- 0.00012237 seconds elapsed
-- 0.000074268 seconds elapsed
-- 0.000144961 seconds elapsed
-- 0.000141828 seconds elapsed
-- 0.000071208 seconds elapsed
-- 0.000183755 seconds elapsed
-- 0.000172174 seconds elapsed
-- 0.000066209 seconds elapsed
-- 0.000176592 seconds elapsed
-- 0.000174003 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
|