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
-- 0.000191459 seconds elapsed
-- 0.000226794 seconds elapsed
-- 0.000194874 seconds elapsed
-- 0.0001068 seconds elapsed
-- 0.000234028 seconds elapsed
-- 0.000196417 seconds elapsed
-- 0.000100669 seconds elapsed
-- 0.00022435 seconds elapsed
-- 0.000198371 seconds elapsed
-- 0.000193923 seconds elapsed
-- 0.000229058 seconds elapsed
-- 0.000189274 seconds elapsed
-- 0.000107351 seconds elapsed
-- 0.000236553 seconds elapsed
-- 0.000230582 seconds elapsed
-- 0.000098565 seconds elapsed
-- 0.00022923 seconds elapsed
-- 0.0001977 seconds elapsed
-- 0.000115346 seconds elapsed
-- 0.000291305 seconds elapsed
-- 0.000268943 seconds elapsed
-- 0.000100909 seconds elapsed
-- 0.000271087 seconds elapsed
-- 0.000274804 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
|