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
-- 0.000243556 seconds elapsed
-- 0.000293641 seconds elapsed
-- 0.000262959 seconds elapsed
-- 0.000142185 seconds elapsed
-- 0.000304543 seconds elapsed
-- 0.000273474 seconds elapsed
-- 0.000124604 seconds elapsed
-- 0.000273679 seconds elapsed
-- 0.000271539 seconds elapsed
-- 0.000253222 seconds elapsed
-- 0.000287591 seconds elapsed
-- 0.000260967 seconds elapsed
-- 0.000128924 seconds elapsed
-- 0.000304083 seconds elapsed
-- 0.000267129 seconds elapsed
-- 0.000134555 seconds elapsed
-- 0.000298922 seconds elapsed
-- 0.00027543 seconds elapsed
-- 0.000133989 seconds elapsed
-- 0.000348273 seconds elapsed
-- 0.000361309 seconds elapsed
-- 0.000126394 seconds elapsed
-- 0.000348197 seconds elapsed
-- 0.000372925 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
|