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
-- 0.000117698 seconds elapsed
-- 0.000141915 seconds elapsed
-- 0.000120772 seconds elapsed
-- 0.00006325 seconds elapsed
-- 0.000138095 seconds elapsed
-- 0.000123007 seconds elapsed
-- 0.000065991 seconds elapsed
-- 0.000130902 seconds elapsed
-- 0.000121275 seconds elapsed
-- 0.000123714 seconds elapsed
-- 0.000142617 seconds elapsed
-- 0.000122746 seconds elapsed
-- 0.000066748 seconds elapsed
-- 0.000145952 seconds elapsed
-- 0.00012196 seconds elapsed
-- 0.00006439 seconds elapsed
-- 0.000136074 seconds elapsed
-- 0.00013241 seconds elapsed
-- 0.000069637 seconds elapsed
-- 0.000175899 seconds elapsed
-- 0.000170315 seconds elapsed
-- 0.000080175 seconds elapsed
-- 0.000179887 seconds elapsed
-- 0.000189013 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
|