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
-- 0.000196016 seconds elapsed
-- 0.000227654 seconds elapsed
-- 0.000204451 seconds elapsed
-- 0.000102299 seconds elapsed
-- 0.000226904 seconds elapsed
-- 0.000199172 seconds elapsed
-- 0.000099485 seconds elapsed
-- 0.00022027 seconds elapsed
-- 0.000200864 seconds elapsed
-- 0.000197187 seconds elapsed
-- 0.000244415 seconds elapsed
-- 0.000200253 seconds elapsed
-- 0.000126416 seconds elapsed
-- 0.000251198 seconds elapsed
-- 0.000199653 seconds elapsed
-- 0.000105617 seconds elapsed
-- 0.000244215 seconds elapsed
-- 0.00020356 seconds elapsed
-- 0.000102351 seconds elapsed
-- 0.000283619 seconds elapsed
-- 0.0003168 seconds elapsed
-- 0.000101539 seconds elapsed
-- 0.000270634 seconds elapsed
-- 0.000281415 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
|