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
-- 0.000216001 seconds elapsed
-- 0.000187321 seconds elapsed
-- 0.000166921 seconds elapsed
-- 0.000118801 seconds elapsed
-- 0.000240042 seconds elapsed
-- 0.000168441 seconds elapsed
-- 0.000112841 seconds elapsed
-- 0.000199242 seconds elapsed
-- 0.000162401 seconds elapsed
-- 0.000204201 seconds elapsed
-- 0.000149321 seconds elapsed
-- 0.000153841 seconds elapsed
-- 0.00010488 seconds elapsed
-- 0.000196641 seconds elapsed
-- 0.000151081 seconds elapsed
-- 0.00010644 seconds elapsed
-- 0.000234122 seconds elapsed
-- 0.000149241 seconds elapsed
-- 0.000119801 seconds elapsed
-- 0.000242962 seconds elapsed
-- 0.000200042 seconds elapsed
-- 0.000089401 seconds elapsed
-- 0.000231002 seconds elapsed
-- 0.000206322 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
|