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
-- 0.000108632 seconds elapsed
-- 0.000120561 seconds elapsed
-- 0.0001086 seconds elapsed
-- 0.000070689 seconds elapsed
-- 0.000161373 seconds elapsed
-- 0.00014049 seconds elapsed
-- 0.000074861 seconds elapsed
-- 0.00016475 seconds elapsed
-- 0.000144542 seconds elapsed
-- 0.00010732 seconds elapsed
-- 0.00012289 seconds elapsed
-- 0.000108601 seconds elapsed
-- 0.000056029 seconds elapsed
-- 0.000125061 seconds elapsed
-- 0.000101169 seconds elapsed
-- 0.000074521 seconds elapsed
-- 0.00016007 seconds elapsed
-- 0.000135613 seconds elapsed
-- 0.000059261 seconds elapsed
-- 0.000174062 seconds elapsed
-- 0.00015769 seconds elapsed
-- 0.00006154 seconds elapsed
-- 0.000150702 seconds elapsed
-- 0.000176001 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
|