On Apr 8, 2009, at 12:07 , gerhard wrote:
> Print methods for matrices with subdivisions
>
> let M be a matrix over QQ:
> subdivisions are printed fine
> over GF(2):
> M.get_subdivisions() shows the subdivisions are defined,
> but the print method does not know about them.
Yup. Most matrix classes seem to use a common method for printing,
while the 'mod 2' matrix implementation has its own "stringify" method.
There may be a good explanation for this, but commenting out the mod2
method seems to have the right effect without damaging anything else.
At least with minimal testing.
> The show methods cannot handle subdivisions altogether.
I'm not sure I understand. For other than the mod 2 elements, show(X)
produces an image of a subdivided matrix. Do you mean just in the mod
2 case?
> Are there any plans to enhance these printing methods?
I think it qualifies as a bug, and I've created a Trac report for the
problem:
<http://trac.sagemath.org/sage_trac/ticket/5714>
Thanks for reporting this.
Justin
--
Justin C. Walker, Curmudgeon-At-Large
Director
Institute for the Enhancement of the Director's Income
--------
"Weaseling out of things is what separates us from the animals.
Well, except the weasel."
- Homer J Simpson
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