Thanks for the response, but I don't think that submatrices will help much with what we're doing. Do you know if sage invokes singular for gaussian elimination?
On Wednesday, June 13, 2012 5:29:44 AM UTC-4, Martin Albrecht wrote: > > No, there isn't such a function. However, some matrices support "windows", > these are submatrices which are created without copying the data out. > Hence, > doing the splitting up/combining step is quite cheap. See: > > matrix_window_modn_dense.pyx > > but it will probably take some code-writing to get it to do what you want. > > On Tuesday 12 Jun 2012, Thomas Klotz wrote: > > I was wondering if anyone knows a way for sage to perform gaussian > > elimination on a matrix, but only up to the nth row and will stop at > that > > point. > > > > I realize that I could just split up the matrix and perform the > algorithm > > on that part of it, and just re-join it to the rest of the matrix, but I > > was wondering if there is some built-in function for this. > > > > Thanks, > > Tom > > Cheers, > Martin > > -- > name: Martin Albrecht > _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 > _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF > _www: http://martinralbrecht.wordpress.com/ > _jab: [email protected] > -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
