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
-- 0.000127101 seconds elapsed
-- 0.000136651 seconds elapsed
-- 0.00011128 seconds elapsed
-- 0.00007232 seconds elapsed
-- 0.000146601 seconds elapsed
-- 0.00010687 seconds elapsed
-- 0.00007586 seconds elapsed
-- 0.000138552 seconds elapsed
-- 0.00010898 seconds elapsed
-- 0.000127941 seconds elapsed
-- 0.000130341 seconds elapsed
-- 0.00010718 seconds elapsed
-- 0.00005676 seconds elapsed
-- 0.000126312 seconds elapsed
-- 0.000105471 seconds elapsed
-- 0.00005417 seconds elapsed
-- 0.000159571 seconds elapsed
-- 0.00010917 seconds elapsed
-- 0.00005688 seconds elapsed
-- 0.000151081 seconds elapsed
-- 0.0001388 seconds elapsed
-- 0.00005821 seconds elapsed
-- 0.000159531 seconds elapsed
-- 0.00015459 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
|