About nine months ago, I asked [1] about the possibility of running
parts of the notebook in Amazon EC2 instances. Here's an email I got
from someone at Amazon who did compile Sage in an EC2 instance and ran a
notebook server from there. There are educational discounts available.
[1]
https://grou
It would be useful if you put the complete install.log somewhere, so
that one could see where the 64-bit setting comes from...
On Jan 29, 7:02 am, Jon Yard wrote:
> Hello,
>
> I am having trouble building sage 4.6.1 on an iMac8,1 (2.4 GHz Intel Core 2
> Duo) running OS X 10.5.8. Below is the las
Bottom line is this; I've seen more half-baked ideas that are quickly
abandoned on this project because of the diligence of review and the
enthusiasm of people who would use them keeping things on the right
path (if they weren't half-baked) than aggressive people dominating
with crackpot ideas. Sa
On Jan 29, 2:40 pm, David Kirkby wrote:
> On 27 January 2011 16:49, Niles wrote:
>
> > Reading the thread about advertising on StackOverflow
>
> >http://groups.google.com/group/sage-devel/browse_thread/thread/7b0a47...
>
> > I started wondering if there are specific suggestions for how a
> > pr
This was not easy to find. ;-)
sage: D = matrix(0, 2, sparse=False)
sage: D.rows()
[]
sage: S = matrix(0, 2, sparse=True)
sage: S.rows()
[(0, 0)]
Amazingly (or maybe not), with a crude fix all tests still pass.
http://trac.sagemath.org/sage_trac/ticket/10714
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On Sat, Jan 29, 2011 at 7:29 AM, Dima Pasechnik wrote:
> Hi William,
>
> I figured out how to catch GAP interrupts in libgap. Basically, I use
> the existing Sage's abort() functionality,
> inserted in the appropriate place in GAP's ReadEvalDebug function, to
> escape back to gap.pyx from the GAP
On 29 January 2011 05:31, William Stein wrote:
> Hi Sage-Devel,
>
> Last year in January 2010, there were 1580 messages on sage-devel.
> This year, in January 2011, there have so far been only 604 messages.
Every month since February 2010, the posts in sage-devel were down on
the same month in 20
On 27 January 2011 16:49, Niles wrote:
> Reading the thread about advertising on StackOverflow
>
> http://groups.google.com/group/sage-devel/browse_thread/thread/7b0a47523258cce
>
> I started wondering if there are specific suggestions for how a
> programmer who isn't necessarily a mathematician c
On Sat, Jan 29, 2011 at 02:50:44AM -0800, Simon King wrote:
> On 29 Jan., 10:11, William Stein wrote:
> However, I find the tags nice. Could that somehow be adopted for sage
> discussion lists?
That would be great indeed. If anyone has an idea on how to achieve
that, please speak up. We can't cur
On Fri, Jan 28, 2011 at 11:30:36PM -0800, Simon King wrote:
> A LOT OF STUFF
Hmm, for myself, not much actually. Basically finishing up my teaching
load for the year, coorganizing Sage days 28, working on tutorials,
planing for a few other Sage events, animating the Sage-Combinat
community. The li
I've never heard about Cadabra, but I did hear about FORM
(http://www.nikhef.nl/~form/). I think this is the package to beat for
symbolic algebra for field theory Lagrangians.
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Perhaps you'd like to take a look to
http://cadabra.phi-sci.com/
Which is specialized in tensor mathematics (including general
relativity). I tried to learn how to use it some time ago, but I
lacked the physics knowledge required. There is a cadabra package for
sage, so in the spirit of "not rein
Hi Simon,
I bet you that there are more crackpots in physics than in math ;-) But
seriously, I've deleted tons of emails about "the theory of everything"
without it dragging me down in the least. This is why we (both science as a
whole and Sage in particular) have peer review.
In any case, cra
Hi Volker!
On 29 Jan., 19:38, Volker Braun wrote:
> People contribute to OSS because they have a itch to scratch, not because
> they read an ad. Only people that are interested in Sage will contribute to
> Sage. You need to focus on getting out the word that Sage exists and what
> its aims are.
Jeroen indicated that he'll work on a Sage-4.7 immediately after releasing
Sage-4.6.2. This will then integrate a couple of more "dangerous" patches,
like the new signal handling and gcc wrapper. They are all tested on Linux,
OSX, and Solaris by now but there is a chance that specific versions b
Over the winter break I wrote some code in Sage for working with the
Demazure character formula with elements of WeightRing (the group ring
of the weight lattice for a semisimple finite dimensional Lie
algebra). There is an implementation of the Demazure operators as part
of the Crystal framework,
> Thank you.
>
> How did you get all that reputation, just from associating your
> StackOverflow profile?
Yep. I was looking and there a _lot_ of people with 101 reputation. :-)
-Ivan
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I think this discussion is heading in a completely wrong direction:
Sage is a learning experience for everyone. Nobody outside of Sage has
experience in implementing a large-scale general-purpose mathematics
software in Python/Cython.
People contribute to OSS because they have a itch to scratc
Thank you.
How did you get all that reputation, just from associating your
StackOverflow profile?
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On Jan 29, 9:41 am, Ivan Andrus wrote:
> Okay it's up
> athttp://meta.stackoverflow.com/questions/74983/open-source-advertising...
> so feel free to vote for it.
>
> I think I can still edit it to point somewhere else if we want.
>
> -Ivan
Thanks! Now I have to get some rep. points so I can v
[I hope someone will soon volunteer to paste in these interesting
reports on "what have been doing recently" into a more permanent
record.]
Georg,
Very interesting.
Did you know that although our descriptions of the modular symbol
method sound as if we are working with the space of modular symbo
Hi Sage-Devel,
this January I worked on two topics.
Firstly, getting Sage working as an integral part of Gentoo Prefix (a
"hosted" distribution, like Cygwin, MacPorts, ...), under three host
OSes: 32-bit OS X 10.4, 64-bit OS X 10.6, and Maemo 5 (a Debian-based
32-bit Linux on my N900 mobile) --- n
On Saturday 29 January 2011, William Stein wrote:
> Hi Sage-Devel,
>
> Last year in January 2010, there were 1580 messages on sage-devel.
> This year, in January 2011, there have so far been only 604 messages.
>
> What are people working on?
- I started working on M4RI again after meeting with C
On Jan 28, 5:24 pm, Tom Boothby wrote:
If somebody submits lots of junk code, they'll
> find the review process impossibly frustrating and almost certainly
> lose steam before taking up a significant amount of anybody's time.
Even assuming that the junk-submitter takes no time at all from
On Jan 29, 6:24 am, William Stein wrote:
> On Sat, Jan 29, 2011 at 2:50 AM, Simon King wrote:
> > On 29 Jan., 10:11, William Stein wrote:
> >> It'shttp://ask.sagemath.org, and it's vastly different than sage-support.
>
> > However, I find the tags nice. Could that somehow be adopted for sage
>
Hi William,
I figured out how to catch GAP interrupts in libgap. Basically, I use
the existing Sage's abort() functionality,
inserted in the appropriate place in GAP's ReadEvalDebug function, to
escape back to gap.pyx from the GAP interpreter loop.
Hopefully this should be sufficient to mimic most
Hmm,
the important information seem to be:
a)
You try to build Sage on Mac OS X 10.5 (Leopard).
b)
There's a "-m64" in the third line of your output, i.e. the build
system tries to build a "64-bit" library.
(Then it seems that qdCocoa.o is only a 32-bit object file, hence
rejected, hence later s
On Jan 29, 2011, at 1:51 PM, Ivan Andrus wrote:
> On Jan 29, 2011, at 12:10 PM, Niles wrote:
>> On Jan 29, 4:57 am, Eviatar wrote:
>>> I can't post it because you need 10 reputation to post images. Anyone
>>> have a Meta StackOverflow account with over 10 reputation?
>>
>> I can't help here, but
On Sat, Jan 29, 2011 at 12:31 AM, William Stein wrote:
> Hi Sage-Devel,
>
> Last year in January 2010, there were 1580 messages on sage-devel.
> This year, in January 2011, there have so far been only 604 messages.
>
> What are people working on?
One thing I've been working on very recently is w
On Jan 29, 2011, at 12:10 PM, Niles wrote:
> On Jan 29, 4:57 am, Eviatar wrote:
>> I can't post it because you need 10 reputation to post images. Anyone
>> have a Meta StackOverflow account with over 10 reputation?
>
> I can't help here, but I did see that someone with +200 on
> StackOverflow get
On Jan 28, 8:24 pm, Tom Boothby wrote:
> Bottom line, it's better to recruit people and get a few bad apples
> than not recruit at all.
Well, I think rjf's point may be that there's a third possibility: we
may recruit people and get 80% bad apples. People with lots of free
time and persisten
On Sat, Jan 29, 2011 at 2:50 AM, Simon King wrote:
> On 29 Jan., 10:11, William Stein wrote:
>> It's http://ask.sagemath.org, and it's vastly different than sage-support.
>
> However, I find the tags nice. Could that somehow be adopted for sage
> discussion lists? [snip]
The Sage mailing list ar
On Jan 29, 4:57 am, Eviatar wrote:
> I can't post it because you need 10 reputation to post images. Anyone
> have a Meta StackOverflow account with over 10 reputation?
I can't help here, but I did see that someone with +200 on
StackOverflow gets a +100 bonus on Meta, so maybe someone else can
h
Not much Sage this last month, but:
I wrote code in Sage to handle all the elliptic curve database files
starting from the output of my main C++ program; which works well and
is more robust than the collection of scripts and other C++ programs I
used to use.
The "main C++ program" itself is in t
And to confirm:
sage: R. = ZZ[]
sage: E = EllipticCurve([0,0,0,-595*d^2,5586*d^3])
sage: E.discriminant().factor()
7^3 * 2^12 * d^6
John
On Sat, Jan 29, 2011 at 12:16 AM, Robert Miller wrote:
> I don't have time to track this down at the moment, but as it is a bit
> embarrassing I thought I'd r
Hi William,
On 29 Jan., 10:11, William Stein wrote:
> It's http://ask.sagemath.org, and it's vastly different than sage-support.
I do not like the style of that page: It seems too noisy to me.
However, I find the tags nice. Could that somehow be adopted for sage
discussion lists?
In that way,
Hi everyone!
Nowadays I'm working in some complex supergravity calculations, so I'm
much involved into computing GR tensor (Riemann, Ricci and Einstein)
as well as Yang-Mills theories.
I'd like to help or start to develop a package for manipulate this
kind of symbolic manipulation.
How should I
On Jan 29, 5:31 am, William Stein wrote:
> If every person reading responded with a paragraph about what they've
> been up to related to sage this month, then maybe we could get to 1000
> messages by the end of the month!
I wrote code for computing local components of modular forms, based on
my
I can't post it because you need 10 reputation to post images. Anyone
have a Meta StackOverflow account with over 10 reputation?
Also, what page should I link to?
Thanks in advance.
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Hi William,
William Stein schrieb:
> It's http://ask.sagemath.org, and it's vastly different than sage-support.
I see. Thank you for the link!
> Sage is a "mathematics software" project. I do not think the phrase
> "CAS = computer algebra system" accurately describes Sage. Numerical
> and othe
On Jan 29, 2011, at 01:11 , William Stein wrote:
> On Sat, Jan 29, 2011 at 12:54 AM, Simon King wrote:
>> Hi William,
>>
>> On 29 Jan., 06:31, William Stein wrote:
>>> Last year in January 2010, there were 1580 messages on sage-devel.
>>> This year, in January 2011, there have so far been only
On Sat, Jan 29, 2011 at 12:54 AM, Simon King wrote:
> Hi William,
>
> On 29 Jan., 06:31, William Stein wrote:
>> Last year in January 2010, there were 1580 messages on sage-devel.
>> This year, in January 2011, there have so far been only 604 messages.
>
> I wonder if that comes from the fact tha
Hi William,
On 29 Jan., 06:31, William Stein wrote:
> Last year in January 2010, there were 1580 messages on sage-devel.
> This year, in January 2011, there have so far been only 604 messages.
I wonder if that comes from the fact that there are so many (too many,
I'd say) sage-related list. Ther
> > What are people working on?
worked on the "small binary project", had a small live CD ISO (400 mb)
and an alternative Virtual Machine with just 407 MB size.
Currently I make a Live "dev" distribution (670 MB) with working
cython and working "sage -b". I also want to include a small GUI to
set
On Sat, Jan 29, 2011 at 12:16 AM, Emil Widmann wrote:
>
> On Jan 29, 8:04 am, Eviatar wrote:
>> >I think it's really, really wonderful that you all are putting this
>> >together; it seems like an excellent way to recruit new tallent from
>> >outside of the academic mathematics community.
>>
>> I
On Fri, Jan 28, 2011 at 9:43 PM, Minh Nguyen wrote:
> Hi William,
>
> On Sat, Jan 29, 2011 at 4:31 PM, William Stein wrote:
>> If every person reading responded with a paragraph about what they've
>> been up to related to sage this month, then maybe we could get to 1000
>> messages by the end of
I'm working on implementing De Bruijn sequences (just need to fix up
the patch), cellular automata, precise fractional ranges, and possibly
a magic square solver, just for fun. I also submitted a patch for
weighted choice recently.
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On Jan 29, 8:04 am, Eviatar wrote:
> >I think it's really, really wonderful that you all are putting this
> >together; it seems like an excellent way to recruit new tallent from
> >outside of the academic mathematics community.
>
> I hope it does!
>
> Can I now make the submission, since there is
On Fri, Jan 28, 2011 at 4:54 PM, Nils Bruin wrote:
> What answer would you prefer? 1404928 is a unit in QQ[]. Does the
> following do what you were expecting?
Ah, of course. Apologies for the spam.
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>I think it's really, really wonderful that you all are putting this
>together; it seems like an excellent way to recruit new tallent from
>outside of the academic mathematics community.
I hope it does!
Can I now make the submission, since there is a majority on the choice
of ad?
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