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
-- 0.000150801 seconds elapsed
-- 0.000142722 seconds elapsed
-- 0.000141361 seconds elapsed
-- 0.00007956 seconds elapsed
-- 0.000159962 seconds elapsed
-- 0.000145321 seconds elapsed
-- 0.000083 seconds elapsed
-- 0.000152081 seconds elapsed
-- 0.000141921 seconds elapsed
-- 0.000147121 seconds elapsed
-- 0.000141841 seconds elapsed
-- 0.000143641 seconds elapsed
-- 0.00008068 seconds elapsed
-- 0.000161201 seconds elapsed
-- 0.000138241 seconds elapsed
-- 0.00007992 seconds elapsed
-- 0.000156962 seconds elapsed
-- 0.000140361 seconds elapsed
-- 0.000079601 seconds elapsed
-- 0.000186802 seconds elapsed
-- 0.000200402 seconds elapsed
-- 0.000082121 seconds elapsed
-- 0.000194642 seconds elapsed
-- 0.000197642 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
|