On Sun, Jan 8, 2012 at 6:23 PM, Volker Braun <vbraun.n...@gmail.com> wrote:
> Just noticed the following:
>
> sage: import numpy as np
> sage: r=10
> sage: c=76
> sage: A = 2*np.random.randint(2, size=(r,c))-np.ones((r,c),dtype=np.int)
> sage: A = matrix(QQ,A)
> sage: A
> 10 x 76 dense matrix over Integer Ring (type 'print A.str()' to see all of
> the entries)
>
> So matrix(QQ,<numpy>) actually constructs a matrix over ZZ. Thats somewhat
> unexpected.

Ok, I saw that you opened a ticket for the right_kernel thing:
http://trac.sagemath.org/sage_trac/ticket/12280

Should I create a new ticket for this matrix(QQ,<numpy>) thing?


Thanks,
-- 
Vegard Lima

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