On 2013-11-07 19:37, Nils Bruin wrote:
I can confirm that I also am not able to get "sage --python" to run
without printing a warning in any situation I tried where the current
directory is group writeable.
You need either your umask to allow group-writing or you need to run
python on a group-wr
On Thursday, November 7, 2013 3:02:11 PM UTC-8, Dima Pasechnik wrote:
>
> wow, this must be in the docs!
>
I agree, but for instance on
http://www.sagemath.org/doc/reference/cmd/sage/misc/trace.html it isn't
mentioned, so is it in the docs?
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On Thu, Nov 7, 2013 at 4:54 PM, James Traynor wrote:
> Last login: Thu Nov 7 19:25:31 on ttys001
>
> /Applications/Sage-5.12-OSX-64bit-10.8.app/Contents/Resources/sage/sage;
> exit
>
> Jim:~ jamestraynor$
> /Applications/Sage-5.12-OSX-64bit-10.8.app/Contents/Resources/sage/sage;
> exit
>
> ┌─
Last login: Thu Nov 7 19:25:31 on ttys001
/Applications/Sage-5.12-OSX-64bit-10.8.app/Contents/Resources/sage/sage;
exit
Jim:~ jamestraynor$
/Applications/Sage-5.12-OSX-64bit-10.8.app/Contents/Resources/sage/sage;
exit
┌┐
On 2013-11-06, Nils Bruin wrote:
> On Wednesday, November 6, 2013 1:56:12 AM UTC-8, Tobias Weich wrote:
>>
>> Hi,
>> If I load some sage script and try to debug it with trace I am unable to
>> see the code which I'm debugging
>>
>> load('~/test.sage')
>> trace('example_func()')
>>
>> yields only
On Thursday, November 7, 2013 10:01:00 AM UTC-8, scma...@gmail.com wrote:
> How come this only comes into play for doctesting and not for just running
> a script with sage? Using the example I posted before in the file
> example_script.py, I get
>
It looks like sage silences the python message
Le jeudi 7 novembre 2013 18:19:39 UTC+1, John H Palmieri a écrit :
>
>
> sage: b._exact_value()
> a - 1 where a^2 - 2 = 0 and a in -1.414213562373095?
>
It is reassuring to see that we can recover the exact value! thanks
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Le jeudi 7 novembre 2013 18:28:31 UTC+1, Nils Bruin a écrit :
>
> On Thursday, November 7, 2013 9:00:36 AM UTC-8, ccandide wrote:
>>
>> I dont' understand why Sage is unable to give an exact expression for the
>> eigenvalues of the following matrix :
>>
>> sage: A= matrix([[0,1],[1,-2]])
>> sage
On Thursday, November 7, 2013 10:16:45 AM UTC-7, Nils Bruin wrote:
>
>
> Your problem arises from the fact that sage's python is patched to be a
> little more picky about permissions on paths.
>
How come this only comes into play for doctesting and not for just running
a script with sage? Usi
On Thursday, November 7, 2013 9:00:36 AM UTC-8, ccandide wrote:
>
> I dont' understand why Sage is unable to give an exact expression for the
> eigenvalues of the following matrix :
>
> sage: A= matrix([[0,1],[1,-2]])
> sage: [a for a,_,_ in A.eigenvectors_right()]
> [-2.414213562373095?, 0.414213
On Thursday, November 7, 2013 9:00:36 AM UTC-8, ccandide wrote:
>
> I dont' understand why Sage is unable to give an exact expression for the
> eigenvalues of the following matrix :
>
> sage: A= matrix([[0,1],[1,-2]])
> sage: [a for a,_,_ in A.eigenvectors_right()]
> [-2.414213562373095?, 0.414213
On Thursday, November 7, 2013 7:13:39 AM UTC-8, scma...@gmail.com wrote:
>
>
> I read through that ticket before posting, but I didn't (and still don't)
> see a solution to my problem. Admittedly I don't understand all of the
> issues talked about on that ticket. I created a test script in the sa
I dont' understand why Sage is unable to give an exact expression for the
eigenvalues of the following matrix :
sage: A= matrix([[0,1],[1,-2]])
sage: [a for a,_,_ in A.eigenvectors_right()]
[-2.414213562373095?, 0.4142135623730951?]
The characteristic polynomial is very simple :
sage: A.charpo
On Wednesday, November 6, 2013 10:27:53 PM UTC-7, Volker Braun wrote:
> See http://trac.sagemath.org/ticket/13579#comment:40 and following...
>
>
>
> On Wednesday, November 6, 2013 4:14:08 PM UTC-8, scma...@gmail.com
> wrote:After our sysadmin updated the computer we use for a major project in
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