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
-- 0.000096401 seconds elapsed
-- 0.00011521 seconds elapsed
-- 0.000103592 seconds elapsed
-- 0.00005502 seconds elapsed
-- 0.000122251 seconds elapsed
-- 0.000107031 seconds elapsed
-- 0.00005428 seconds elapsed
-- 0.000113511 seconds elapsed
-- 0.000103411 seconds elapsed
-- 0.000100592 seconds elapsed
-- 0.000120861 seconds elapsed
-- 0.000100929 seconds elapsed
-- 0.00005647 seconds elapsed
-- 0.000125271 seconds elapsed
-- 0.000100681 seconds elapsed
-- 0.00007348 seconds elapsed
-- 0.000115531 seconds elapsed
-- 0.000099811 seconds elapsed
-- 0.00005711 seconds elapsed
-- 0.000157962 seconds elapsed
-- 0.000145621 seconds elapsed
-- 0.00005534 seconds elapsed
-- 0.000145242 seconds elapsed
-- 0.000393503 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
|