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sage-5.11 does not start.
Kind regards,
Pascal
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I'm trying to install Sage from latest binaries to an Ubuntu 10.04
partition (sure it's an old version but the machine is not mine and I can't
upgrade). In order to run Sage, I typed ./sage from the command line and
readily got the following error message:
File
Hi,
How to perform base conversion with Sage ? Remember that Python has limited
capability to convert to an arbitrary base. For instance, Python, by
default, doesn't allow to convert to base 6. According to
Le vendredi 15 mars 2013 02:15:35 UTC+1, David Joyner a écrit :
Is this what you want?
http://www.sagemath.org/doc/reference/sage/combinat/matrices/latin.html
Not exactly : a call back_circulant(n) returns the circulant matrix
associated to the list range(n). I need a more general
Le vendredi 15 mars 2013 08:44:21 UTC+1, Charles Bouillaguet a écrit :
So am I. However, it's in the pipeline (
http://trac.sagemath.org/sage_trac/ticket/13703)
Thanks for the link. The code for circulant matrix generation :
def hankel(R,c,r): entries=c+r[1:]; return matrix(R, len(c),
Or you can directly use scipy to do it:
from scipy.linalg import circulant
matrix(circulant([1,2,3]))
Why I didn't think of it!
FYI, you might find our chapter in the Handbook of Linear Algebra to be
a good resource: http://sage.math.washington.edu/home/jason/sage-HLA2.pdf
Le vendredi 15 mars 2013 14:38:25 UTC+1, Jason Grout a écrit :
Thanks for catching the error! I've changed the trac ticket to reflect
your modifications.
Thanks,
You are more than welcome!
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Does Sage provide support for building the circulant matrix associated to a
given list ?
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