Thanks for having set up a ticket for this.
On Wednesday, April 3, 2013 7:16:31 AM UTC+2, Nils Bruin wrote:
>
> I guess someone should fix this at some point:
>
> http://trac.sagemath.org/sage_trac/ticket/14403
>
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I guess someone should fix this at some point:
http://trac.sagemath.org/sage_trac/ticket/14403
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On Mar 30, 10:14 am, Eric Gourgoulhon wrote:
> Hello,
>
> I've noticed this strange behavior (bug ?) on the following elementary
> computation:
>
> sage: a = matrix([[sqrt(x),0,0,0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0,
> 1]])
> sage: det(a)
> ...
> TypeError: no conversion of this rational to i
Its not linear algebra but comes from the symbolic ring stuff:
sage: var('x,y')
(x, y)
sage: (y - sqrt(x)).polynomial(None, ring=SR[y])
---
TypeError Traceback (m
