It would be nice actually to have it available in Sage and support
classes with _latex_ but no _repr_ - right now it is OK to have the
opposite, i.e. define _repr_ and then it is used wrapped as verbatim
text for _latex_, if no special method is provided. I wrote several
classes recently whose outp
On 2012-11-13, Nils Bruin wrote:
> On Nov 12, 6:06 pm, Dima Pasechnik wrote:
>> sage: e.cremona_label()
>> '457532830151317a1'
>> sage: e.analytic_rank(leading_coefficient=True)
>> (4, -2.50337480324368498e-9)
>>
>> here is what I got after some hours of running.
>> e-9 does not look as suspicios
On 13/11/2012, at 4:16 PM, Nils Bruin wrote:
>
> Incidentally: Are PPC-OSX4 (or where-ever the problem earlier arose)
> and i686 both 32 bit platforms?
Yes.
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On Nov 12, 1:47 pm, Jeroen Demeyer wrote:
> And for added fun: this time the error isn't always reproducible.
That's excellent news! Just keep trying until it's not reproducible
anymore. Then we're fine!
Seriously though, given that the bug pops up in the same file as
before indicates that proba
On Nov 12, 6:06 pm, Dima Pasechnik wrote:
> sage: e.cremona_label()
> '457532830151317a1'
> sage: e.analytic_rank(leading_coefficient=True)
> (4, -2.50337480324368498e-9)
>
> here is what I got after some hours of running.
> e-9 does not look as suspiciosuly small to me...
That depends on what th
On 2012-11-12, Nils Bruin wrote:
> On Nov 12, 9:46 am, Dima Pasechnik wrote:
>> please have a look (and perhaps reply - I am not an expert on this
>> stuff):
>
> It has to check that a certain analytic function vanishes to 8th order
> at a particular point. That involves proving that all its deri
On 11/13/2012 04:48 AM, Nils Bruin wrote:
On Nov 12, 10:07 am, P Purkayastha wrote:
+inv = self.base_ring()(1)/self.base_ring()(right)
It's probably more efficient to do:
inv = self.base_ring().one()/self.base_ring()(right)
since it completely avoids the coercion framework for
Hi Nicolas,
thanks for the article.
Raniere
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Maxima will use ascii-art to print expressions (
http://www.sagemath.org/doc/reference/sage/interfaces/maxima.html), but it
will just leave sqrt as sqrt. I don't know a way to get an ascii art
representation for sqrt.
David
On Mon, Nov 12, 2012 at 8:22 AM, Andreas Ruscheinski <
andreas.ruschein.
Bad news again. During a preliminary test of sage-5.5.beta2, I got again
a segmentation fault in
devel/sage/sage/schemes/elliptic_curves/ell_number_field.py
but this time on a different system (arando: Linux i686) and with a
different set of patches as before. And for added fun: this time the
error
On Nov 12, 10:07 am, P Purkayastha wrote:
> + inv = self.base_ring()(1)/self.base_ring()(right)
It's probably more efficient to do:
inv = self.base_ring().one()/self.base_ring()(right)
since it completely avoids the coercion framework for constructing 1.
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On Nov 12, 12:33 pm, Nils Bruin wrote:
> Does this need a "cydb" wrapper around gdb or does gdb have its
> own customization options that allow something along these lines?
I should have googled before I replied:
http://docs.cython.org/src/userguide/debugging.html
It would be great if someone w
On Nov 12, 12:08 pm, Jason Grout wrote:
> I think you can also use gdb; it seems I've done it once before, at least.
I have used gdb for stack examination after a segfault. For "C-like"
pieces of Cython it works quite well. For "Python-like" pieces it's
horrible, because python objects are virtua
On Mon, Nov 12, 2012 at 12:08 PM, Jason Grout
wrote:
> On 11/12/12 12:26 PM, Raniere Gaia Silva wrote:
>>
>> Hi,
>> how is the easy way to debug a Cython code?
>
>
> I insert print statements, think really hard, insert more print statements,
> etc.
This is what I typically do.
> I think you can
On 11/12/12 12:26 PM, Raniere Gaia Silva wrote:
Hi,
how is the easy way to debug a Cython code?
I insert print statements, think really hard, insert more print
statements, etc.
I think you can also use gdb; it seems I've done it once before, at least.
Thanks,
Jason
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That seems like it fixes the symptoms, but I'm not sure if it is the source
of the problem. For example, the following already works without the fix.
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
1/2*x
That being said, I wasn't able to come up with an example that break
Hi,
how is the easy way to debug a Cython code?
Thanks,
Raniere
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On 11/13/2012 02:07 AM, P Purkayastha wrote:
On 11/13/2012 01:06 AM, Ben Hutz wrote:
The following works
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
x/2
The following does not
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
Traceback (most recent ca
On 11/13/2012 01:06 AM, Ben Hutz wrote:
The following works
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
x/2
The following does not
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
Traceback (most recent call last):
...
AttributeError: 'int' object has
On Nov 12, 9:46 am, Dima Pasechnik wrote:
> please have a look (and perhaps reply - I am not an expert on this
> stuff):
It has to check that a certain analytic function vanishes to 8th order
at a particular point. That involves proving that all its derivatives
up to 7th order vanish at the point
This is yet another inconsistency with multivariate vs. univariate
polynomial rings. They are implemented differently, so its easy to fall
into these traps. I don't have any better idea than hope that it gets
ironed out over time...
On Monday, November 12, 2012 12:06:29 PM UTC-5, Ben Hutz wr
please have a look (and perhaps reply - I am not an expert on this
stuff):
http://mathoverflow.net/questions/112154/what-cases-say-about-the-analytic-rank-of-rank-8-elliptic-curve-457532830151317a
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On Nov 12, 7:21 am, Andrea Lazzarotto
wrote:
> > is there any method which gives me an Ascii output for a
> > mathematical-express like sqrt(x)?
You can use some of maxima's capabilities for that:
sage: maxima(x^(1/x)).display2d()
1/x
The following works
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
x/2
The following does not
sage: R.=PolynomialRing(QQ)
sage: S.=PolynomialRing(R)
sage: x/S(2)
Traceback (most recent call last):
...
AttributeError: 'int' object has no attribute 'parent'
Seems
Hi
To sage:devel I got feedback that this works, at least superficially.
This is slightly incorrect (running a binary BUILT on 12.04 for RUNTIME USE
on 12.10).
However the gcc and libc version differences between 12.04 and 12.10 are so
small
you may experience no problems at all.
Last time we ex
On 2012-11-12 17:23, John H Palmieri wrote:
> Isn't it only broken on systems for which SAGE_ROOT/local/lib64 and/or
> SAGE_ROOT/local/lib32 are used?
Indeed. I didn't know that OS X doesn't use these directories.
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On Sunday, November 11, 2012 11:48:48 PM UTC-8, Jeroen Demeyer wrote:
>
> Upgrading from sage-5.3 to sage-5.4 is broken if you installed GCC in
> sage-5.3 and you moved the Sage installation tree after building GCC but
> before upgrading. This problem will be fixed in sage-5.4.1 (there is a
>
Le 12/11/2012 15:42, Jan Groenewald a écrit :
Dear Silliwane,
The Sage PPA has not yet been updated for 12.10.
It currently only has 12.04 support. I hope to work
on this soon, but that might mean early next year;
I am not sure yet. In the meantime, try this:
sudo sed -ie 's/quantal/precise/g'
On 11/12/12 9:16 AM, Ivan Andrus wrote:
I could make the Evaluate button always available on the iPad (which is where
you use it right?).
Yes, I'm using it on the iPad.
Thanks,
Jason
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To post t
Hello,
is there any method to get an ascii out put for an expression?
eg:
sqrt(x) = \/
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On Nov 12, 2012, at 4:16 PM, Ivan Andrus wrote:
> On Nov 12, 2012, at 3:57 PM, Jason Grout wrote:
>
>> On 11/11/12 5:09 PM, Ivan Andrus wrote:
>>> A substantial rewrite of the iOS app is in the iTunes store [1]. It
>>> uses the new server and supports interacts! It handles output a
>>> little
2012/11/12 Andreas Ruscheinski
> is there any method which gives me an Ascii output for a
> mathematical-express like sqrt(x)?
This one looks nice:
http://asciitex.sourceforge.net/
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2012/11/12 Jan Groenewald
> The 4G limit: http://www.remastersys.com/ubuntu.html see the section
> titled "The 4GB limit explained - not a remastersys limitation".
>
I see. Well, maybe there is another way to workaround the issue. After
you've added the required software on the disc, you could u
On Nov 12, 2012, at 3:57 PM, Jason Grout wrote:
> On 11/11/12 5:09 PM, Ivan Andrus wrote:
>> A substantial rewrite of the iOS app is in the iTunes store [1]. It
>> uses the new server and supports interacts! It handles output a
>> little different (it uses a web page instead of plain text or im
Hello,
is there any method which gives me an Ascii output for a
mathematical-express like sqrt(x)?
\/
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Hi
I will have a look, definitely, thanks.
The 4G limit: http://www.remastersys.com/ubuntu.html see the section
titled "The 4GB limit explained - not a remastersys limitation".
Regards,
Jan
On 12 November 2012 16:53, Andrea Lazzarotto wrote:
> 2012/11/12 Jan Groenewald
>
>> Do you know much
On 11/11/12 5:09 PM, Ivan Andrus wrote:
A substantial rewrite of the iOS app is in the iTunes store [1]. It
uses the new server and supports interacts! It handles output a
little different (it uses a web page instead of plain text or image)
so it can also handle more than one image as well as t
2012/11/12 Jan Groenewald
> Do you know much of it? Does it allow
> 1) to surpass a 4G limit?
>
Do you mean the size of the ISO? I think yes. The distro I made as a
project for my high school graduation stays under 4 GB so I can't confirm
it, but you can check it to see a lot of customizations i
Hi
Yes. The reason is I have not started looking closely enough to know about
UCK.
Reference: http://sourceforge.net/projects/uck/
Do you know much of it? Does it allow
1) to surpass a 4G limit?
2) to do a standard install from the ISO, including creating users, it
simply adds extra packages tra
Dear Silliwane,
The Sage PPA has not yet been updated for 12.10.
It currently only has 12.04 support. I hope to work
on this soon, but that might mean early next year;
I am not sure yet. In the meantime, try this:
sudo sed -ie 's/quantal/precise/g'
/etc/apt/sources.list.d/aims-sagemath-quantal.li
2012/11/12 Nicolas M. Thiery
> That's a question for Jan Groenewald :-)
Yes I'm sorry, I didn't look at the conversation list very well!
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On Mon, Nov 12, 2012 at 02:10:37PM +0100, Andrea Lazzarotto wrote:
> > I also hit the problem that Macs don't boot from USB, which IMHO is
> > completely retarded, but that's just life.
>
>One could simply burn a PLOP boot manager CD and then use it to
>boot from USB. The only ex
On Mon, Nov 12, 2012 at 02:22:59PM +0100, Marco Streng wrote:
>2012/11/12 Nicolas M. Thiery
>
> First thing: for those who want to know more on what a facade is:
>
> sage: S = Sets()
> sage: S.Facade?
>
>Object `S.Facade` not found.
>It should be:
>sage: S
On 11/11/12 5:09 PM, Ivan Andrus wrote:
A substantial rewrite of the iOS app is in the iTunes store [1]. It uses the
new server and supports interacts! It handles output a little different (it
uses a web page instead of plain text or image) so it can also handle more than
one image as well a
2012/11/12 Nicolas M. Thiery
>
>
> First thing: for those who want to know more on what a facade is:
>
> sage: S = Sets()
> sage: S.Facade?
>
>
Object `S.Facade` not found.
It should be:
sage: S.Facades?
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I don't understand where this quote came from because this is being
cross-posted ( =.= ) through mailing lists, and I don't follow all of them,
but...
2012/11/12 Nicolas M. Thiery
> > I also hit the problem that Macs don't boot from USB, which IMHO is
> > completely retarded, but that's just lif
On Mon, Nov 12, 2012 at 05:03:58AM +, Dima Pasechnik wrote:
> On 2012-11-11, Nathann Cohen wrote:
> > I spent many hours fighting with Posets under Sage. I enjoyed it a lot, but
> > I can already tell that it gets on Florent's and Nicolas' nerves, and so I
> > was thinking of whether I should
Hi Jan,
Thanks for all the information and all your work making Sage easier to
install! On the next similar occasion, we should also investigate
aims-desktop, either through DVD installs or by running a local Ubuntu
+ PPA mirror. There still is the problem that installing a dual boot
requi
On Mon, Nov 12, 2012 at 10:31:47AM +0100, Jeroen Demeyer wrote:
> The pre-compiled binaries *should* work on old processors. If not,
> that's a bug which should be reported.
Ah, good to know!
I don't remember myself if we had issues with the processors
themselves, or only with distro-related issu
On Mon, Nov 12, 2012 at 10:28:02AM +0100, Jeroen Demeyer wrote:
> On 2012-11-11 10:00, Nicolas M. Thiery wrote:
> > (a) failed most of the time on Linux by lack of gfortran.
> Since sage-5.4, gfortran is no longer a requirement (see #13515), so
> this will become easier in the future.
Great! One p
Hi Andrey,
On Sun, Nov 11, 2012 at 08:37:50PM -0800, Andrey Novoseltsev wrote:
> Thanks a lot for such a detailed report!
:-)
> Is it possible to have step-by-step instructions for
> self-replicating USB sticks posted somewhere?
Thierry Monteil, who worked hard on that key and should ge
On Sun, Nov 11, 2012 at 08:07:06PM -0800, Mike Zabrocki wrote:
>Wow! Nicolas fantastic report. That was a challenge to do.
Thanks :-)
> I hope you managed a convert or two in Africa. My experience with
> computer classes as part of a summer school (in Ghana, Kenya,
> Tanzania and Madagascar)
On 2012-11-11 10:00, Nicolas M. Thiery wrote:
> - Precompiled binary for Linux: besides the usual distro-specific
> binaries, it would be very helpful to have two (32bit / 64bit) fat
> Sage binaries that would work without dependencies on as many
> distros and processors as possible.
The pre-
On 2012-11-11 10:00, Nicolas M. Thiery wrote:
> (a) failed most of the time on Linux by lack of gfortran.
Since sage-5.4, gfortran is no longer a requirement (see #13515), so
this will become easier in the future.
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These two tickets still need review:
On 2012-09-16 20:54, Jeroen Demeyer wrote:
> #13452: Refactor sage-location
> Some various clean-up of sage-location, in particular:
>1. Don't use realpath() or abspath() everywhere. Just once should be
> more than sufficient.
>2. Merge initialize_pkgco
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