Hi Yann! On 23 Okt., 13:32, Yann <yannlaiglecha...@gmail.com> wrote: > ... > 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)
I guess this line will only be executed if the input is a list of lists (or tuple or iterable perhaps). Instead, one should probably have the row by row insertion. Can someone open a ticket for this, please? I am in the middle of a relocation, and *if* I'll find time, I will work on categories. Best regards, Simon -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
