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
-- 0.00011044 seconds elapsed
-- 0.000126603 seconds elapsed
-- 0.000112726 seconds elapsed
-- 0.00005909 seconds elapsed
-- 0.000127251 seconds elapsed
-- 0.000112883 seconds elapsed
-- 0.000058541 seconds elapsed
-- 0.000120969 seconds elapsed
-- 0.000119159 seconds elapsed
-- 0.000110945 seconds elapsed
-- 0.000125936 seconds elapsed
-- 0.000112715 seconds elapsed
-- 0.000058155 seconds elapsed
-- 0.000127418 seconds elapsed
-- 0.00011352 seconds elapsed
-- 0.000059648 seconds elapsed
-- 0.000122969 seconds elapsed
-- 0.000111257 seconds elapsed
-- 0.000060693 seconds elapsed
-- 0.000151728 seconds elapsed
-- 0.000158587 seconds elapsed
-- 0.000058199 seconds elapsed
-- 0.000149991 seconds elapsed
-- 0.00015812 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
|