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
-- 0.000126771 seconds elapsed
-- 0.000125531 seconds elapsed
-- 0.000113301 seconds elapsed
-- 0.000076001 seconds elapsed
-- 0.000176902 seconds elapsed
-- 0.000133132 seconds elapsed
-- 0.000063689 seconds elapsed
-- 0.000139461 seconds elapsed
-- 0.000107822 seconds elapsed
-- 0.000125021 seconds elapsed
-- 0.000156071 seconds elapsed
-- 0.00013063 seconds elapsed
-- 0.000057331 seconds elapsed
-- 0.000133431 seconds elapsed
-- 0.000107001 seconds elapsed
-- 0.00005785 seconds elapsed
-- 0.000141072 seconds elapsed
-- 0.000106431 seconds elapsed
-- 0.00006261 seconds elapsed
-- 0.00193704 seconds elapsed
-- 0.000179592 seconds elapsed
-- 0.000059801 seconds elapsed
-- 0.000162691 seconds elapsed
-- 0.000188913 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
|