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
-- 0.000126941 seconds elapsed
-- 0.000124791 seconds elapsed
-- 0.000110191 seconds elapsed
-- 0.000056441 seconds elapsed
-- 0.00012815 seconds elapsed
-- 0.000108061 seconds elapsed
-- 0.000058961 seconds elapsed
-- 0.000116031 seconds elapsed
-- 0.000109441 seconds elapsed
-- 0.000100311 seconds elapsed
-- 0.000125692 seconds elapsed
-- 0.000099652 seconds elapsed
-- 0.000052831 seconds elapsed
-- 0.000117772 seconds elapsed
-- 0.000100272 seconds elapsed
-- 0.00005305 seconds elapsed
-- 0.000120181 seconds elapsed
-- 0.000115342 seconds elapsed
-- 0.00005732 seconds elapsed
-- 0.000144071 seconds elapsed
-- 0.000144781 seconds elapsed
-- 0.0000549 seconds elapsed
-- 0.000141702 seconds elapsed
-- 0.000158372 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
|