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
-- 0.000200577 seconds elapsed
-- 0.00018157 seconds elapsed
-- 0.000168771 seconds elapsed
-- 0.000106216 seconds elapsed
-- 0.000195928 seconds elapsed
-- 0.000167593 seconds elapsed
-- 0.000098887 seconds elapsed
-- 0.000193234 seconds elapsed
-- 0.000162927 seconds elapsed
-- 0.000190528 seconds elapsed
-- 0.000201031 seconds elapsed
-- 0.000164444 seconds elapsed
-- 0.000095312 seconds elapsed
-- 0.000197683 seconds elapsed
-- 0.000166985 seconds elapsed
-- 0.000095303 seconds elapsed
-- 0.00019411 seconds elapsed
-- 0.000155689 seconds elapsed
-- 0.000099539 seconds elapsed
-- 0.00022365 seconds elapsed
-- 0.000248149 seconds elapsed
-- 0.000090853 seconds elapsed
-- 0.000231285 seconds elapsed
-- 0.000219388 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
|