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
-- 0.000146035 seconds elapsed
-- 0.000143095 seconds elapsed
-- 0.000115135 seconds elapsed
-- 0.000060113 seconds elapsed
-- 0.000143071 seconds elapsed
-- 0.000107751 seconds elapsed
-- 0.000058305 seconds elapsed
-- 0.000128644 seconds elapsed
-- 0.000107175 seconds elapsed
-- 0.000117465 seconds elapsed
-- 0.00012839 seconds elapsed
-- 0.000112294 seconds elapsed
-- 0.000060725 seconds elapsed
-- 0.000140468 seconds elapsed
-- 0.000108331 seconds elapsed
-- 0.000061147 seconds elapsed
-- 0.000139876 seconds elapsed
-- 0.000109456 seconds elapsed
-- 0.000070047 seconds elapsed
-- 0.00017269 seconds elapsed
-- 0.000159503 seconds elapsed
-- 0.000062754 seconds elapsed
-- 0.00016632 seconds elapsed
-- 0.000156118 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
|