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
-- 0.000103785 seconds elapsed
-- 0.000100853 seconds elapsed
-- 0.000103449 seconds elapsed
-- 0.000055837 seconds elapsed
-- 0.00010854 seconds elapsed
-- 0.000117678 seconds elapsed
-- 0.000054942 seconds elapsed
-- 0.000101636 seconds elapsed
-- 0.000096317 seconds elapsed
-- 0.000097271 seconds elapsed
-- 0.000103244 seconds elapsed
-- 0.000101888 seconds elapsed
-- 0.000053894 seconds elapsed
-- 0.000114643 seconds elapsed
-- 0.000119468 seconds elapsed
-- 0.000056514 seconds elapsed
-- 0.000106918 seconds elapsed
-- 0.000100993 seconds elapsed
-- 0.000055733 seconds elapsed
-- 0.000132364 seconds elapsed
-- 0.000139206 seconds elapsed
-- 0.000054229 seconds elapsed
-- 0.000151816 seconds elapsed
-- 0.00015043 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
|