Re: [sage-devel] Re: algorithm='pari4' hnf

2012-01-23 Thread Jeroen Demeyer
On 2012-01-23 20:01, Volker Braun wrote: > ? mathnf(m~,flag=4)[1] > %2 = > [0 0 0 0 0 1 0 0 0 0 0 0 0 0 0] > [0 0 0 0 0 0 1 0 0 0 0 0 0 0 0] > [0 0 0 0 0 0 0 1 0 0 0 0 0 0 0] > [0 0 0 0 0 0 0 0 1 0 0 0 0 0 0] > [0 0 0 0 0 0 0 0 0 1 0 0 0 0 0] > [0 0 0 0 0 0 0 0 0 0 1 0 0 0 0] > [0 0 0 0 0 0 0 0 0

Re: [sage-devel] Re: algorithm='pari4' hnf

2012-01-23 Thread John Cremona
Looks like a pari bug to me since their docs suggest that flag=1 and flag=4 have the same output, just a slightly different algorithm, and flag =1 does not include the columns of 0s. John On 23 January 2012 19:01, Volker Braun wrote: > For the record, its clear that pari4 does output the unwante