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
-- 0.000198499 seconds elapsed
-- 0.000228636 seconds elapsed
-- 0.000201896 seconds elapsed
-- 0.000133089 seconds elapsed
-- 0.000239747 seconds elapsed
-- 0.000197408 seconds elapsed
-- 0.000100117 seconds elapsed
-- 0.000221302 seconds elapsed
-- 0.000211444 seconds elapsed
-- 0.000206875 seconds elapsed
-- 0.000237603 seconds elapsed
-- 0.000194592 seconds elapsed
-- 0.00009644 seconds elapsed
-- 0.000234777 seconds elapsed
-- 0.000195645 seconds elapsed
-- 0.000103132 seconds elapsed
-- 0.000243233 seconds elapsed
-- 0.00020414 seconds elapsed
-- 0.000110346 seconds elapsed
-- 0.000285602 seconds elapsed
-- 0.000267298 seconds elapsed
-- 0.00009651 seconds elapsed
-- 0.000269863 seconds elapsed
-- 0.000269392 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
|