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
-- 0.000110715 seconds elapsed
-- 0.000116339 seconds elapsed
-- 0.000106045 seconds elapsed
-- 0.000057809 seconds elapsed
-- 0.000122908 seconds elapsed
-- 0.000105438 seconds elapsed
-- 0.000056146 seconds elapsed
-- 0.000115832 seconds elapsed
-- 0.000102399 seconds elapsed
-- 0.000110287 seconds elapsed
-- 0.000117789 seconds elapsed
-- 0.000103632 seconds elapsed
-- 0.000057682 seconds elapsed
-- 0.000124173 seconds elapsed
-- 0.0001045 seconds elapsed
-- 0.000059748 seconds elapsed
-- 0.00012916 seconds elapsed
-- 0.000109146 seconds elapsed
-- 0.00006294 seconds elapsed
-- 0.000147722 seconds elapsed
-- 0.000136361 seconds elapsed
-- 0.000051958 seconds elapsed
-- 0.000145025 seconds elapsed
-- 0.000143127 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
|