[sage-support] Re: Degree 120 splitting field

2010-04-14 Thread Rob Beezer
Alec, Perfect, that's just what I needed. Much better. Since the NumberField constructor should complain if the next polynomial (the quotient of the division) is not irreducible, the students can just proceed on faith that the result of the division is the remaining portion of a factorization an

[sage-support] Re: Degree 120 splitting field

2010-04-14 Thread Alec Mihailovs
On Apr 14, 2:08 pm, Rob Beezer wrote: > Rinse, repeat.  First iteration is below.  By the time I get to degree > 3 the factorizations are taking about 8 hours.  My question: is there > a more efficient way to do this? Divisions are faster than the factorization - divide by (x-a), then by (x-b),