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
-- 0.000159671 seconds elapsed
-- 0.000212612 seconds elapsed
-- 0.000133072 seconds elapsed
-- 0.000085312 seconds elapsed
-- 0.000169172 seconds elapsed
-- 0.000122402 seconds elapsed
-- 0.000073501 seconds elapsed
-- 0.000157591 seconds elapsed
-- 0.000164941 seconds elapsed
-- 0.000184062 seconds elapsed
-- 0.000153781 seconds elapsed
-- 0.000162531 seconds elapsed
-- 0.000088891 seconds elapsed
-- 0.000170481 seconds elapsed
-- 0.000217142 seconds elapsed
-- 0.000092031 seconds elapsed
-- 0.000187782 seconds elapsed
-- 0.000128311 seconds elapsed
-- 0.000096621 seconds elapsed
-- 0.000199422 seconds elapsed
-- 0.000172251 seconds elapsed
-- 0.0000692 seconds elapsed
-- 0.000184222 seconds elapsed
-- 0.000176382 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
|