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
-- 0.000110819 seconds elapsed
-- 0.000121941 seconds elapsed
-- 0.000113344 seconds elapsed
-- 0.00005813 seconds elapsed
-- 0.000139353 seconds elapsed
-- 0.000111731 seconds elapsed
-- 0.000057148 seconds elapsed
-- 0.000126479 seconds elapsed
-- 0.000112232 seconds elapsed
-- 0.000101551 seconds elapsed
-- 0.000120427 seconds elapsed
-- 0.000104138 seconds elapsed
-- 0.00006867 seconds elapsed
-- 0.000129624 seconds elapsed
-- 0.000107793 seconds elapsed
-- 0.000055825 seconds elapsed
-- 0.000125617 seconds elapsed
-- 0.000113253 seconds elapsed
-- 0.000056937 seconds elapsed
-- 0.000148231 seconds elapsed
-- 0.000145766 seconds elapsed
-- 0.000056025 seconds elapsed
-- 0.000164991 seconds elapsed
-- 0.000150924 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
|