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
-- 0.00010303 seconds elapsed
-- 0.000122911 seconds elapsed
-- 0.000110509 seconds elapsed
-- 0.0000588 seconds elapsed
-- 0.000123721 seconds elapsed
-- 0.0001077 seconds elapsed
-- 0.00005396 seconds elapsed
-- 0.000114551 seconds elapsed
-- 0.00013059 seconds elapsed
-- 0.000120001 seconds elapsed
-- 0.0001255 seconds elapsed
-- 0.00010713 seconds elapsed
-- 0.0000528 seconds elapsed
-- 0.000120391 seconds elapsed
-- 0.00010369 seconds elapsed
-- 0.00005866 seconds elapsed
-- 0.000121951 seconds elapsed
-- 0.00010587 seconds elapsed
-- 0.00005731 seconds elapsed
-- 0.000143041 seconds elapsed
-- 0.00014526 seconds elapsed
-- 0.00005944 seconds elapsed
-- 0.00015303 seconds elapsed
-- 0.000166252 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
|