It might also be worth looking at the Journal of Software in Algebra and
Geometry:
https://msp.org/jsag/about/journal/about.html
Their current focus is Macaulay2, but as I recall, some of the editors
have previously expressed interest in including Sage-based articles as well.
UAW
On 5/2
oject is nearly always finding something unclear in the
Developers' Guide and fixing it.
Does "a basic programming background" include some knowledge of Python?
If not, picking up a little bit of Python is a good place to start.
--Ursula Whitcher.
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m active in the SageMath
open-source community.
When I'm not doing math, I enjoy rock climbing, knitting, writing
poetry, and using my academic library card for unmathematical purposes.
Right now I'm reading up on the Aztecs, Merovingian archaeology, and
irregular tactics in modern
On 5/25/2018 11:02 AM, kcrisman wrote:
Unfortunately a paywall, but very interesting data and analysis relevant
to mathematical software communities too - plus, Sage developer and
co-author Ursula Whitcher of Math Reviews gives a shout-out to SageMath
in the author bio :)
https
Here's a ticket:
https://trac.sagemath.org/ticket/23939
Should be a nice beginner task, if anyone's looking for one!
--Ursula.
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integer
> > vectors with sum exactly n:
> >
> >
> http://doc.sagemath.org/html/en/reference/combinat/sage/combinat/integer_vector.html
>
> >
> > Would it be useful to expand that class to list vectors with sum at most
> n?
> > If so, what should
Asking Sage to compute the cardinality of point sets of projective
varieties over finite fields produces an infinite recursion error. This is
weird, since the count_points() function works just fine (albeit slowly) in
this situation.
Here's an example.
Entering:
F = FiniteField(37)
P3. = Pro
The FAQ entry at
http://doc.sagemath.org/html/en/faq/faq-contribute.html#can-i-contribute-to-sage-using-sagemathcloud
has a link to
https://github.com/sagemath/cloud/wiki/FAQ
This forwards to
https://github.com/sagemathinc/smc/wiki/FAQ
which lands at "General and Miscellaneous Questions".
I
Jeroen, William, and I have an article about SageMath in the September
edition of the Notices of the AMS, which is appearing in mailboxes now:
http://www.ams.org/publications/journals/notices/201608/rnoti-p928.pdf
--Ursula.
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I noticed that the Wiki entry on citing Sage
https://wiki.sagemath.org/Publications_using_SAGE
does not reflect the rebranding of Sage as SageMath. How should the
citation change?
--Ursula.
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To u
In Sage's contour plots, the default colors shade from black to white.
This applies to both the shades used to fill and the actual color of the
contour lines. If you turn off the fill color, the highest contour will be
white-on-white, and thus invisible. Here's an example (notice the label
f
While discussing Ticket 16953, which improves functionality for enumerating
points in toric varieties over finite fields, I said:
"The actual functionality works fine, albeit slowly. I would find it
helpful if there were a way to save partial progress when computing a point
set: I'm interested
I found a documentation "bug": literally following the instructions for
ticket creation and updates at
http://doc.sagemath.org/html/en/developer/git_trac.html results in the
publication of empty tickets, because there's no mention of *committing*
changes. This is now ticket 18504:
http://trac
The Sage FAQ at:
http://doc.sagemath.org/html/en/faq/index.html
does not mention the SageMathCloud FAQ at:
https://github.com/sagemath/cloud/wiki/FAQ .
Should we add a question to the Sage FAQ along the lines of "How can I find
more information about the SageMathCloud (TM)?" that sends readers
[x ] Yes -- adopt the code of conduct stated below (*)
UAW
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To post to thi
On Friday, November 14, 2014 6:05:02 AM UTC-6, mmarco wrote:
>
>
> So, about the code of conduct, it sounds like a nice set of guidelines.
> But, do we really need it? I mean, has it been some hard conflict that i
> have not been aware of? I know that we have some trolling and flaming going
> o
On 11/13/2014 3:05 AM, Jeroen Demeyer wrote:
On 2014-11-12 21:33, Ursula Whitcher wrote:
On 11/11/2014 4:46 AM, Jeroen Demeyer wrote:
* The sentence "A recent tweak of another part of Sage’s matrix code had
changed the definition of “small n” to n <= 63." is wrong:
what had c
On Mon, Nov 10, 2014 at 3:08 PM, Ursula Whitcher wrote:
On 11/5/2014 8:24 AM, William Stein wrote:
* By "we write up" above, I mean you write up something very, very
rough, post it here, and get feedback.
Done!
http://people.uwec.edu/whitchua/notes/sagebugprocess.pdf
Articl
On 11/11/2014 4:46 AM, Jeroen Demeyer wrote:
* The sentence "A recent tweak of another part of Sage’s matrix code had
changed the definition of “small n” to n <= 63." is wrong:
what had changed is the bound on p to compute the determinant over GF(p)
using LinBox (for larger p, we compute determi
On 11/11/2014 3:41 AM, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
If I am honest, I am not that convinced it is a good follow up comment,
OK, I won't put your name on it ;)
but ignoring that, if this was to be the basis of an article, I can
think of some improvements.
Thanks for the c
On 11/5/2014 8:24 AM, William Stein wrote:
* By "we write up" above, I mean you write up something very, very
rough, post it here, and get feedback.
Done!
http://people.uwec.edu/whitchua/notes/sagebugprocess.pdf
I stuck with Ticket 14032 as my example; I think the tradeoff of
interesting al
At some point, William wrote:
I wrote that det code in Sage (though in Sage-6.4 it'll likely be
replaced by a call to FLINT...). It computes det(A) in a very
interesting way, which is asymptotically massively faster than
Mathematica. To compute det(A), choose a random vector v and solve
Ax = v u
On 11/4/2014 6:04 AM, Volker Braun wrote:
Agree. A reasonable article should
[...]
b) talk about bug tracking and prioritization, stopgaps
How DOES bug prioritization work in Sage? You can pick
blocker/critical/major/minor/trivial when you're creating a ticket.
Does someone double-check t
On 11/3/2014 4:05 PM, William Stein wrote:
I'm sure the
AMS would be very interesting in publishing more pieces that involve
computational mathematics/software, and likely only don't because they
don't have quality submissions enough to choose from. I published
one there several years ago about
On Friday, October 24, 2014 7:55:39 PM UTC-5, jason wrote:
>
>
>
> P.S. It would be interesting to see if Sage can do the calculation they
> identified as buggy in mathematica. That would make for a cool
> follow-up editorial.
>
So is somebody actively working on a followup editorial/ letter
On Thursday, April 3, 2014 9:28:41 AM UTC-5, John Cremona wrote:
>
>
> Or one could give the Gram matrix G (A^t * A (in the real case), which
> is real and positive definite. You definitely need to be able to
> define a lattice just by its Gram matrix; theoretically one can go
> from such a
On 4/3/2014 4:45 AM, Martin Albrecht wrote:
Hi Ursula,
just to mention: there isn't much framework in that ticket, it merely creates
an IntegerLattice class and adds a few useful methods.
In particular, at the moment lattices over QQ (or RR) are not implemented, but
I guess this could be added
On 7/2/2013 1:51 PM, Volker Braun wrote:
I agree that this is a usability wart... though really I think the whole
idea of installing further components while Sage is running is a bad
design choice. For example, if you end up modifying shared libraries
that are currently mmaped then bad things wil
On 7/1/2013 8:42 PM, Volker Braun wrote:
You need to restart the notebook since the test output is cached...
Yes, that seems to have solved the problem. You might want to add a
note to this effect in the documentation for Triangulations of a point
configuration.
--Ursula.
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On 7/1/2013 8:26 PM, Volker Braun wrote:
The interface checks whether the utility program "points2placingtriang"
from TOPCOM is available, and didn't find it in your install. Do you
have Sage's current spkg of TOPCOM installed or some other version?
I ran
install_package('TOPCOM')
from the no
On 6/5/2013 10:13 PM, leif wrote:
Ursula, can you confirm that `LIBRARY_PATH` is set in your shell?
E.g., what does the following give?
$ ./sage --sh -c 'echo $LIBRARY_PATH'
/home/whitchua/sage-5.10.rc0/local/lib
--Ursula.
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On 6/5/2013 8:50 PM, leif wrote:
This appears to be an upstream bug; despite that we configure with
'--with-readline="$SAGE_LOCAL"', the corresponding '-L...' is missing in
the linker command such that your system's libreadline gets picked up.
You can try:
$ env LDFLAGS="-L/home/whitchua/sage-
On 6/5/2013 6:01 PM, leif wrote:
Ursula Whitcher wrote:
I followed William's instructions precisely just after he posted them
(which means no attempts at optimization), and the build is still in
progress, six hours later.
I'm not sure what you mean by "no attempts to optim
On 6/5/2013 5:11 PM, Volker Braun wrote:
On Wednesday, June 5, 2013 8:42:03 PM UTC+1, Snark wrote:
> takes about 25 minutes, because SAGE_ATLAS_LIB is set in the global
> environment by default.
Well, not everyone has a big & recent server.
My laptop builds Sage in 25 minutes...
On 6/5/2013 11:16 AM, Jeroen Demeyer wrote:
https://www.dropbox.com/s/brnvxh48mu36g05/atlas-3.8.4.p1.log
The log file seems to be truncated, the last part is missing.
I re-downloaded it. Try again?
The file is longer than before, but still truncated :-(
Can you tell me what the end of
On 6/5/2013 11:06 AM, Volker Braun wrote:
Can you try the new ATLAS (for example in sage-5.10.rc0)
Sorry, I don't know how I would do that. Can you expand a little?
UAW
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On 6/5/2013 11:01 AM, Jeroen Demeyer wrote:
On 06/05/2013 05:57 PM, Ursula wrote:
https://www.dropbox.com/s/brnvxh48mu36g05/atlas-3.8.4.p1.log
The log file seems to be truncated, the last part is missing.
I re-downloaded it. Try again?
UAW
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