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[sagesupport] Re: Creating large matrix hangs Yann Sat Oct 23 05:00:16 2010
> In the matrix constructor (matrix in sage/matrix/constructor.py): > > entries = sum([list(v) for v in args[0]], []) < this is bad > (quadratic in the length of argv[0] which is the number of rows here) and to be complete, this could be replaced by: entries = [] for v in args[0]: entries.extend(v) Yann  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/sagesupport URL: http://www.sagemath.org
 [sagesupport] Creating large matrix hangs Cary Cherng 2010/10/22
 Re: [sagesupport] Creating large matrix hangs Robert Bradshaw 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Simon King 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Simon King 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Yann 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Yann 2010/10/23 <=
 [sagesupport] Re: Creating large matrix hangs Simon King 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Yann 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Simon King 2010/10/23
 [sagesupport] Re: Creating large matrix hangs Yann 2010/10/23