Well, I'm a couple days late to the conversation, but a couple comments:
If Nathan doesn't have a background knowledge in math, then I think prime
counting/enumeration are very good projects, especially if he wants to look
at parallizable algorithms. The current prime_pi in sage was my first real
Dear all,
When trying to compile sage-4.6 on my Macbook Pro with OS X 10.6.4, I
got a lot of warnings culminating in the following error:
"...
mmm.c: In function 'mmm_hashtable_hashtable_':
mmm.c:91: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed so
Here's an updated README.txt,
http://trac.sagemath.org/sage_trac/ticket/10243
which removes the lists of supported platforms, and replaces it by a note to
look at the current list.
http://wiki.sagemath.org/SupportedPlatforms
It should be fairly easy to review.
Dave
--
To post to this grou
On Mon, Nov 8, 2010 at 3:04 PM, David Kirkby wrote:
> I'm just wondering why we use MoinMoin for the Wiki, when there is a
> Wiki for Trac. I assume the integration of the two would be much
> better if we used the Trac Wiki.
(1) We started using moinmoin wiki year(s) before we used trac.
(2) Moi
I agree with Dan, it would be fantastic to have a spreadsheet that
accepted sage code into cells. I can use excel to some extent, but I
don't like it. Importing just doesn't cut it.
-Marshall
On Nov 9, 4:54 pm, "Dr. David Kirkby" wrote:
> On 11/ 9/10 10:41 PM, Dan Drake wrote:
>
>
>
> >http://
Thanks for this link. Personally, I would really like to see this in Sage.
I'm not sure if pyspread is mature enough yet though...
On Tue, Nov 9, 2010 at 5:41 PM, Dan Drake wrote:
> http://pyspread.sourceforge.net/
>
> It's a spreadsheet written in Python. Your cell formulas are just Python
> ex
On Nov 9, 2010, at 13:21 , John H Palmieri wrote:
> On Nov 9, 11:17 am, "Justin C. Walker" wrote:
>> On Nov 9, 2010, at 10:37 , John H Palmieri wrote:
>>
>>> I'm trying to understand what's going on in #9940:
>>
>>> sage: AdditiveAbelianGroup([0,0]) == AdditiveAbelianGroup([0,0])
>>> True
>>
On 11/ 9/10 10:41 PM, Dan Drake wrote:
http://pyspread.sourceforge.net/
It's a spreadsheet written in Python. Your cell formulas are just Python
expressions. You can import modules and so on. Looks interesting...I
wonder if having Sage available in a spreadsheet would be useful.
(One thing I re
http://pyspread.sourceforge.net/
It's a spreadsheet written in Python. Your cell formulas are just Python
expressions. You can import modules and so on. Looks interesting...I
wonder if having Sage available in a spreadsheet would be useful.
(One thing I really dislike about spreadsheets is lookin
On 11/ 9/10 08:14 PM, John H Palmieri wrote:
On Nov 9, 11:00 am, "Dr. David Kirkby"
wrote:
Now on Solaris systems I am seeing:
drkir...@hawk:~/64/sage-4.6.1.alpha0$ make
spkg/pipestatus "cd spkg&& ./install all 2>&1" "tee -a ../install.log"
grep: illegal option -- q
Usage: grep -hblcnsviw patt
On 11/ 9/10 08:14 PM, John H Palmieri wrote:
On Nov 9, 11:00 am, "Dr. David Kirkby"
wrote:
Now on Solaris systems I am seeing:
drkir...@hawk:~/64/sage-4.6.1.alpha0$ make
spkg/pipestatus "cd spkg&& ./install all 2>&1" "tee -a ../install.log"
grep: illegal option -- q
Usage: grep -hblcnsviw patt
On Nov 9, 11:17 am, "Justin C. Walker" wrote:
> On Nov 9, 2010, at 10:37 , John H Palmieri wrote:
>
> > I'm trying to understand what's going on in #9940:
>
> > sage: AdditiveAbelianGroup([0,0]) == AdditiveAbelianGroup([0,0])
> > True
> > sage: AdditiveAbelianGroup([0,0]) != AdditiveAbelianGrou
On 11/9/10 2:24 PM, William Stein wrote:
Your two options are sort of orthogonal. Personally I think we should have:
(a) a library of high quality stable tested working interacts that
are included in the Sage library,
(b) many interacts that are of varying quality that users post somewh
On Tue, Nov 9, 2010 at 12:05 PM, Jason Grout
wrote:
> On 11/9/10 1:14 PM, Pablo Angulo wrote:
>>
>> I see there are some trac tickets for moving interacts from the wiki
>> into the Sage library (at least 9623, ). However, none of them have unit
>> tests. I though that automated checking of the c
On Nov 9, 11:00 am, "Dr. David Kirkby"
wrote:
> Now on Solaris systems I am seeing:
>
> drkir...@hawk:~/64/sage-4.6.1.alpha0$ make
> spkg/pipestatus "cd spkg && ./install all 2>&1" "tee -a ../install.log"
> grep: illegal option -- q
> Usage: grep -hblcnsviw pattern file . .
>
> This is a new bug.
On Tue, Nov 9, 2010 at 11:14 AM, Pablo Angulo wrote:
> I see there are some trac tickets for moving interacts from the wiki
> into the Sage library (at least 9623, ). However, none of them have unit
> tests. I though that automated checking of the code was the main reason
> for moving the interac
On 11/9/10 1:14 PM, Pablo Angulo wrote:
I see there are some trac tickets for moving interacts from the wiki
into the Sage library (at least 9623, ). However, none of them have unit
tests. I though that automated checking of the code was the main reason
for moving the interacts into the librar
On Nov 9, 2010, at 10:37 , John H Palmieri wrote:
> I'm trying to understand what's going on in #9940:
>
> sage: AdditiveAbelianGroup([0,0]) == AdditiveAbelianGroup([0,0])
> True
> sage: AdditiveAbelianGroup([0,0]) != AdditiveAbelianGroup([0,0])
> True
>
> I think equality testing works fin
I see there are some trac tickets for moving interacts from the wiki
into the Sage library (at least 9623, ). However, none of them have unit
tests. I though that automated checking of the code was the main reason
for moving the interacts into the library. Availability is fine, sure,
but that cou
Now on Solaris systems I am seeing:
drkir...@hawk:~/64/sage-4.6.1.alpha0$ make
spkg/pipestatus "cd spkg && ./install all 2>&1" "tee -a ../install.log"
grep: illegal option -- q
Usage: grep -hblcnsviw pattern file . .
This is a new bug. I'm well aware -q is a POSIX option to grep, but the defaul
I'm trying to understand what's going on in #9940:
sage: AdditiveAbelianGroup([0,0]) == AdditiveAbelianGroup([0,0])
True
sage: AdditiveAbelianGroup([0,0]) != AdditiveAbelianGroup([0,0])
True
I think equality testing works fine, but inequality testing doesn't.
To track this down, I'd like
No, it doesn't make sense because, in general, separating the real
and the imaginary parts, symbolically
--
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oops...
if what you are doing is separating the real and imaginary parts
symbolically,
then it will not always work at the boundaries of numerical
evaluation.
Consider that you may think that expression xyz is non-negative and
thus
sqrt(xyz) is real. But numerical evaluation makes xyz very ver
Africa Analysis: The benefits of open source software
Linda Nordling
5 November 2010
Africa should embrace open source scientific software, cutting costs and
boosting IT skills across the continent, argues Linda Nordling.
http://www.scidev.net/en/opinions/africa-analysis-the-benefits-of-open-sour
On 9 November 2010 10:21, Mitesh Patel wrote:
> I've added './sage -startuptime', './sage -coverageall', PEP 8 [1,2]
> style, and PyFlakes [3] steps to the buildbot's 'sage' builder. Here's
> a report for 4.6.1.alpha0:
>
> http://build.sagemath.org/sage/builders/sage/builds/94
>
> Feel free to ma
I've added './sage -startuptime', './sage -coverageall', PEP 8 [1,2]
style, and PyFlakes [3] steps to the buildbot's 'sage' builder. Here's
a report for 4.6.1.alpha0:
http://build.sagemath.org/sage/builders/sage/builds/94
Feel free to make suggestions!
[1] http://www.python.org/dev/peps/pep-000
On 9 November 2010 08:25, David Kirkby wrote:
> IMHO, it would be sensible to make that the default method, which is
> what happens in Mathematica's NIntegrate command. You don't need to
> specify Nintegrate to return both the real and imaginary parts - it
> does that automatically. In this case,
On 14 October 2010 22:40, Oscar Lazo wrote:
>
>
> On Oct 14, 4:54 am, Johan Grönqvist wrote:
>> A workaround seems to be to integrate the real and imaginary parts
>> separately:
>>
>> sage: numerical_integral(real(sqrt(sec(x)-1)),pi/2, pi)
>> (1.9175999157365625e-16, 5.0010185963949996e-17)
>> sa
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