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
-- 0.000220102 seconds elapsed
-- 0.000239939 seconds elapsed
-- 0.00020303 seconds elapsed
-- 0.000099536 seconds elapsed
-- 0.000225674 seconds elapsed
-- 0.000207208 seconds elapsed
-- 0.000104355 seconds elapsed
-- 0.000215674 seconds elapsed
-- 0.000200224 seconds elapsed
-- 0.000190767 seconds elapsed
-- 0.000225864 seconds elapsed
-- 0.000195457 seconds elapsed
-- 0.000100888 seconds elapsed
-- 0.000247844 seconds elapsed
-- 0.000196619 seconds elapsed
-- 0.000107131 seconds elapsed
-- 0.000234679 seconds elapsed
-- 0.000216004 seconds elapsed
-- 0.000101229 seconds elapsed
-- 0.00026722 seconds elapsed
-- 0.000278551 seconds elapsed
-- 0.000098754 seconds elapsed
-- 0.000289312 seconds elapsed
-- 0.000287538 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
|