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
-- 0.000131256 seconds elapsed
-- 0.000139128 seconds elapsed
-- 0.000116212 seconds elapsed
-- 0.000062141 seconds elapsed
-- 0.000138698 seconds elapsed
-- 0.000113671 seconds elapsed
-- 0.00005652 seconds elapsed
-- 0.000126084 seconds elapsed
-- 0.000104928 seconds elapsed
-- 0.000117179 seconds elapsed
-- 0.000146283 seconds elapsed
-- 0.000116253 seconds elapsed
-- 0.000057312 seconds elapsed
-- 0.000132679 seconds elapsed
-- 0.000108383 seconds elapsed
-- 0.000057688 seconds elapsed
-- 0.000131756 seconds elapsed
-- 0.000105388 seconds elapsed
-- 0.000058161 seconds elapsed
-- 0.000153819 seconds elapsed
-- 0.000143562 seconds elapsed
-- 0.000058125 seconds elapsed
-- 0.000158916 seconds elapsed
-- 0.000155577 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
|