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
-- 0.000110571 seconds elapsed
-- 0.000145041 seconds elapsed
-- 0.000143041 seconds elapsed
-- 0.000071881 seconds elapsed
-- 0.000138052 seconds elapsed
-- 0.000107491 seconds elapsed
-- 0.000069241 seconds elapsed
-- 0.000126551 seconds elapsed
-- 0.000109021 seconds elapsed
-- 0.000123301 seconds elapsed
-- 0.000127542 seconds elapsed
-- 0.000121812 seconds elapsed
-- 0.000080041 seconds elapsed
-- 0.000147952 seconds elapsed
-- 0.000126581 seconds elapsed
-- 0.000060751 seconds elapsed
-- 0.000144012 seconds elapsed
-- 0.000108342 seconds elapsed
-- 0.000056901 seconds elapsed
-- 0.000153601 seconds elapsed
-- 0.000142271 seconds elapsed
-- 0.000057361 seconds elapsed
-- 0.000149832 seconds elapsed
-- 0.000151232 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
|