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
-- 0.000241177 seconds elapsed
-- 0.000296546 seconds elapsed
-- 0.000254146 seconds elapsed
-- 0.000121327 seconds elapsed
-- 0.000299431 seconds elapsed
-- 0.000254307 seconds elapsed
-- 0.000123607 seconds elapsed
-- 0.000287225 seconds elapsed
-- 0.000259493 seconds elapsed
-- 0.000234667 seconds elapsed
-- 0.00029271 seconds elapsed
-- 0.000248438 seconds elapsed
-- 0.000128085 seconds elapsed
-- 0.000297348 seconds elapsed
-- 0.000253548 seconds elapsed
-- 0.000119605 seconds elapsed
-- 0.000279616 seconds elapsed
-- 0.000252708 seconds elapsed
-- 0.000127753 seconds elapsed
-- 0.000358188 seconds elapsed
-- 0.000357778 seconds elapsed
-- 0.000121566 seconds elapsed
-- 0.000356403 seconds elapsed
-- 0.000369961 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
|