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
-- 0.000134951 seconds elapsed
-- 0.00014364 seconds elapsed
-- 0.000129804 seconds elapsed
-- 0.000062831 seconds elapsed
-- 0.000140288 seconds elapsed
-- 0.000113051 seconds elapsed
-- 0.000060698 seconds elapsed
-- 0.000134114 seconds elapsed
-- 0.00011007 seconds elapsed
-- 0.000121362 seconds elapsed
-- 0.000134787 seconds elapsed
-- 0.000114103 seconds elapsed
-- 0.00006033 seconds elapsed
-- 0.000143884 seconds elapsed
-- 0.000142023 seconds elapsed
-- 0.000059876 seconds elapsed
-- 0.000145289 seconds elapsed
-- 0.000113603 seconds elapsed
-- 0.000060572 seconds elapsed
-- 0.000167341 seconds elapsed
-- 0.000148055 seconds elapsed
-- 0.00006143 seconds elapsed
-- 0.000166381 seconds elapsed
-- 0.000157931 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
|