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
-- 0.000099542 seconds elapsed
-- 0.000114401 seconds elapsed
-- 0.000100731 seconds elapsed
-- 0.000057021 seconds elapsed
-- 0.000126281 seconds elapsed
-- 0.000106772 seconds elapsed
-- 0.00005386 seconds elapsed
-- 0.000111881 seconds elapsed
-- 0.00010357 seconds elapsed
-- 0.000101661 seconds elapsed
-- 0.000118121 seconds elapsed
-- 0.000102542 seconds elapsed
-- 0.000055021 seconds elapsed
-- 0.000117601 seconds elapsed
-- 0.000099581 seconds elapsed
-- 0.00005276 seconds elapsed
-- 0.000112521 seconds elapsed
-- 0.000115852 seconds elapsed
-- 0.00005567 seconds elapsed
-- 0.000140922 seconds elapsed
-- 0.000144211 seconds elapsed
-- 0.000051712 seconds elapsed
-- 0.000143501 seconds elapsed
-- 0.00014965 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
|