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
-- 0.000257871 seconds elapsed
-- 0.000290663 seconds elapsed
-- 0.000254768 seconds elapsed
-- 0.000118947 seconds elapsed
-- 0.000290444 seconds elapsed
-- 0.000315367 seconds elapsed
-- 0.000108971 seconds elapsed
-- 0.000278386 seconds elapsed
-- 0.00023997 seconds elapsed
-- 0.000218738 seconds elapsed
-- 0.000275842 seconds elapsed
-- 0.000240609 seconds elapsed
-- 0.000113197 seconds elapsed
-- 0.000273892 seconds elapsed
-- 0.000244629 seconds elapsed
-- 0.000116964 seconds elapsed
-- 0.000275412 seconds elapsed
-- 0.000255119 seconds elapsed
-- 0.000125003 seconds elapsed
-- 0.00036433 seconds elapsed
-- 0.000408365 seconds elapsed
-- 0.000116355 seconds elapsed
-- 0.000319208 seconds elapsed
-- 0.000365151 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
|