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
-- 0.000269509 seconds elapsed
-- 0.000299247 seconds elapsed
-- 0.00027814 seconds elapsed
-- 0.000139975 seconds elapsed
-- 0.000313194 seconds elapsed
-- 0.000272399 seconds elapsed
-- 0.000146606 seconds elapsed
-- 0.000289546 seconds elapsed
-- 0.000275839 seconds elapsed
-- 0.000254917 seconds elapsed
-- 0.000296337 seconds elapsed
-- 0.000262133 seconds elapsed
-- 0.00014325 seconds elapsed
-- 0.000299088 seconds elapsed
-- 0.000252803 seconds elapsed
-- 0.000135115 seconds elapsed
-- 0.000301903 seconds elapsed
-- 0.000254213 seconds elapsed
-- 0.00014131 seconds elapsed
-- 0.000357624 seconds elapsed
-- 0.000340566 seconds elapsed
-- 0.000131519 seconds elapsed
-- 0.000361774 seconds elapsed
-- 0.000351513 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
|