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
-- 0.000137073 seconds elapsed
-- 0.000150437 seconds elapsed
-- 0.000130738 seconds elapsed
-- 0.000072597 seconds elapsed
-- 0.000156859 seconds elapsed
-- 0.000133188 seconds elapsed
-- 0.000073007 seconds elapsed
-- 0.000157041 seconds elapsed
-- 0.000132218 seconds elapsed
-- 0.000134174 seconds elapsed
-- 0.000153853 seconds elapsed
-- 0.000129238 seconds elapsed
-- 0.000071521 seconds elapsed
-- 0.000154984 seconds elapsed
-- 0.00013251 seconds elapsed
-- 0.000069962 seconds elapsed
-- 0.000150138 seconds elapsed
-- 0.000129585 seconds elapsed
-- 0.000071321 seconds elapsed
-- 0.000181735 seconds elapsed
-- 0.000177183 seconds elapsed
-- 0.00007283 seconds elapsed
-- 0.000173389 seconds elapsed
-- 0.000176918 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
|