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
-- 0.000168202 seconds elapsed
-- 0.000169314 seconds elapsed
-- 0.000172995 seconds elapsed
-- 0.000087275 seconds elapsed
-- 0.00018692 seconds elapsed
-- 0.000160547 seconds elapsed
-- 0.000088311 seconds elapsed
-- 0.000174973 seconds elapsed
-- 0.000154166 seconds elapsed
-- 0.000207306 seconds elapsed
-- 0.000176715 seconds elapsed
-- 0.000164717 seconds elapsed
-- 0.000106616 seconds elapsed
-- 0.000201996 seconds elapsed
-- 0.000156254 seconds elapsed
-- 0.000091733 seconds elapsed
-- 0.000198812 seconds elapsed
-- 0.000160501 seconds elapsed
-- 0.000089268 seconds elapsed
-- 0.000220305 seconds elapsed
-- 0.000221669 seconds elapsed
-- 0.000100815 seconds elapsed
-- 0.000215669 seconds elapsed
-- 0.000217186 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
|