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
-- 0.000196357 seconds elapsed
-- 0.000227184 seconds elapsed
-- 0.000204883 seconds elapsed
-- 0.000103182 seconds elapsed
-- 0.0002354 seconds elapsed
-- 0.000210964 seconds elapsed
-- 0.000111037 seconds elapsed
-- 0.000223198 seconds elapsed
-- 0.000205655 seconds elapsed
-- 0.000210363 seconds elapsed
-- 0.00023039 seconds elapsed
-- 0.000196747 seconds elapsed
-- 0.000104165 seconds elapsed
-- 0.000243544 seconds elapsed
-- 0.000200004 seconds elapsed
-- 0.000111108 seconds elapsed
-- 0.000236612 seconds elapsed
-- 0.000201396 seconds elapsed
-- 0.000102932 seconds elapsed
-- 0.000274233 seconds elapsed
-- 0.000282407 seconds elapsed
-- 0.000105487 seconds elapsed
-- 0.000276397 seconds elapsed
-- 0.000296494 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
|