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
-- 0.000127491 seconds elapsed
-- 0.000131641 seconds elapsed
-- 0.000111531 seconds elapsed
-- 0.000056549 seconds elapsed
-- 0.000131361 seconds elapsed
-- 0.000104252 seconds elapsed
-- 0.00006117 seconds elapsed
-- 0.000127511 seconds elapsed
-- 0.000106861 seconds elapsed
-- 0.000120272 seconds elapsed
-- 0.000128641 seconds elapsed
-- 0.000112012 seconds elapsed
-- 0.00007634 seconds elapsed
-- 0.000153501 seconds elapsed
-- 0.000114831 seconds elapsed
-- 0.0000682 seconds elapsed
-- 0.000154141 seconds elapsed
-- 0.000116491 seconds elapsed
-- 0.000066421 seconds elapsed
-- 0.000171381 seconds elapsed
-- 0.000146302 seconds elapsed
-- 0.000060492 seconds elapsed
-- 0.00015889 seconds elapsed
-- 0.000159921 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
|