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
-- 0.000168704 seconds elapsed
-- 0.000210525 seconds elapsed
-- 0.000172766 seconds elapsed
-- 0.000092616 seconds elapsed
-- 0.000199795 seconds elapsed
-- 0.000175937 seconds elapsed
-- 0.000098891 seconds elapsed
-- 0.000187475 seconds elapsed
-- 0.00016775 seconds elapsed
-- 0.000169468 seconds elapsed
-- 0.000208015 seconds elapsed
-- 0.000175767 seconds elapsed
-- 0.000095379 seconds elapsed
-- 0.000219056 seconds elapsed
-- 0.000178666 seconds elapsed
-- 0.000092324 seconds elapsed
-- 0.000205884 seconds elapsed
-- 0.000179817 seconds elapsed
-- 0.000098656 seconds elapsed
-- 0.000241243 seconds elapsed
-- 0.000231259 seconds elapsed
-- 0.000099073 seconds elapsed
-- 0.00024691 seconds elapsed
-- 0.00023915 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
|