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
-- 0.000141337 seconds elapsed
-- 0.000133771 seconds elapsed
-- 0.000174577 seconds elapsed
-- 0.000069821 seconds elapsed
-- 0.000150943 seconds elapsed
-- 0.000116369 seconds elapsed
-- 0.000086153 seconds elapsed
-- 0.000142828 seconds elapsed
-- 0.000110988 seconds elapsed
-- 0.000177574 seconds elapsed
-- 0.000142548 seconds elapsed
-- 0.00011735 seconds elapsed
-- 0.000067036 seconds elapsed
-- 0.000170351 seconds elapsed
-- 0.000113533 seconds elapsed
-- 0.000099107 seconds elapsed
-- 0.000163617 seconds elapsed
-- 0.000113213 seconds elapsed
-- 0.000087885 seconds elapsed
-- 0.000194977 seconds elapsed
-- 0.000160812 seconds elapsed
-- 0.000065142 seconds elapsed
-- 0.000176211 seconds elapsed
-- 0.000172374 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
|