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
-- 0.000195225 seconds elapsed
-- 0.000231844 seconds elapsed
-- 0.000204703 seconds elapsed
-- 0.000107862 seconds elapsed
-- 0.000242594 seconds elapsed
-- 0.000195326 seconds elapsed
-- 0.0001065 seconds elapsed
-- 0.000226273 seconds elapsed
-- 0.000218419 seconds elapsed
-- 0.000212087 seconds elapsed
-- 0.000233347 seconds elapsed
-- 0.000191809 seconds elapsed
-- 0.000099818 seconds elapsed
-- 0.000236151 seconds elapsed
-- 0.000193041 seconds elapsed
-- 0.000104255 seconds elapsed
-- 0.000234549 seconds elapsed
-- 0.000206045 seconds elapsed
-- 0.000101419 seconds elapsed
-- 0.000292387 seconds elapsed
-- 0.000269443 seconds elapsed
-- 0.000101249 seconds elapsed
-- 0.000278732 seconds elapsed
-- 0.000287708 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
|