[sage-support] Re: problem with AlternatingGroup

2007-06-01 Thread Green Kobold
Perfect, its working now. I just used Integer(x), so I did not install the patch, but this email is starred and i've put the link as a comment in my script. Thanks, gk On 5/31/07, David Joyner [EMAIL PROTECTED] wrote: I am towards the end of some major changes to permgroup.py which I'm about

[sage-support] echelon form

2007-06-01 Thread Thea Gegenberg
The method echelon_form gives me an error when I try to take the echelon form of a zero matrix. It says TypeError: entries has the wrong length --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this

[sage-support] Re: echelon form

2007-06-01 Thread William Stein
On 6/1/07, Thea Gegenberg [EMAIL PROTECTED] wrote: The method echelon_form gives me an error when I try to take the echelon form of a zero matrix. It says TypeError: entries has the wrong length Here's an example to illustrate the bug. I hope somebody will fix it and send me a patch :-).

[sage-support] Re: echelon form

2007-06-01 Thread Michel
No patch but I can tell you were there is something obviously wrong. The matrix H on line 1056 in matrix_integer_dense.pyx should be the empty matrix (perhaps []?) but it is something like ['','']. The computation for adding the missing zero rows goes wrong after that. Michel On Jun 1, 9:34