Martin Albrecht wrote: > On Wednesday 01 October 2008, Stephen Hartke wrote:
>> Is there an easy way to delete a row or column? The same questions apply for >> matrices over the rationals. > > sage: A.matrix_from_rows([0,2]) > [76 36 72] > [29 58 49] You can also use notation that may be more familiar from numpy or matlab: sage: A = random_matrix(GF(127),3,3) sage: A [61 25 55] [ 3 14 91] [91 12 72] sage: A[0:2,:] [61 25 55] [ 3 14 91] sage: A[0:2] [61 25 55] [ 3 14 91] sage: A[:,[0,2]] [61 55] [ 3 91] [91 72] See A.__getitem__? for more details. Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
