On Sep 30, 2009, at 8:25 PM, William Stein wrote:
>
> On Wed, Sep 30, 2009 at 7:13 PM, Marshall Hampton
> wrote:
>>
>> Wow, that's quite disturbing. Did you make a trac ticket for this?
>>
>
> I've made this:
>
> http://trac.sagemath.org/sage_trac/ticket/7088
>
> and made it a 4.1.2 blocker,
On Wed, Sep 30, 2009 at 10:57 PM, Thierry Dumont
wrote:
> ma...@mendelu.cz a écrit :
>>
>>
>> On 18 zář, 08:33, Robert Bradshaw
>> wrote:
Ok, but it should be possible to share the "worksheet" directory ?
I *need* to share it (we have 3 machines, on which the users -some
hundreds
ma...@mendelu.cz a écrit :
>
>
> On 18 zář, 08:33, Robert Bradshaw
> wrote:
>>> Ok, but it should be possible to share the "worksheet" directory ?
>>> I *need* to share it (we have 3 machines, on which the users -some
>>> hundredsof students- will be connected at random).
>> I don't think that
William Stein wrote:
> On Wed, Sep 30, 2009 at 9:22 AM, Jason Grout
> wrote:
>> Pablo Angulo wrote:
>>> Many of my students have run into the following problem: they have
>>> deleted the code cells that separated two text blocks and it's
>>> impossible to put a code block between the two text blo
On Wed, Sep 30, 2009 at 7:13 PM, Marshall Hampton wrote:
>
> Wow, that's quite disturbing. Did you make a trac ticket for this?
>
I've made this:
http://trac.sagemath.org/sage_trac/ticket/7088
and made it a 4.1.2 blocker, since it a serious bug. The problem is
in the _factor_pari method in S
On Wed, Sep 30, 2009 at 5:44 PM, Kiran Kedlaya wrote:
>
>
>
> On Sep 30, 5:15 pm, William Stein wrote:
>> Hi Sage-Devel,
>>
>> Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
>> the idea of having a Sage Days in India as a satellite conference near
>> when the next ICM (Inter
On Wed, 30 Sep 2009 at 02:15PM -0700, William Stein wrote:
> Hi Sage-Devel,
>
> Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
> the idea of having a Sage Days in India as a satellite conference near
> when the next ICM (International Congress of Mathematicians) will
> happen
+1.
On Thu, Oct 1, 2009 at 6:17 AM, Harald Schilly wrote:
>
> hi, i don't want to add this feature to the sagemath website without a
> warning. with google translate it would be possible to display a
> translate-bar on top of the page if the browser language (you can set
> it, probably the one of
Wow, that's quite disturbing. Did you make a trac ticket for this?
-Marshall Hampton
On Sep 30, 7:32 pm, AndyNovo wrote:
> Hi all,
>
> Found this simple bug in a simple Z[x] factoring example.
>
> R.=PolynomialRing(ZZ)
> f = 12*x^10 + x^9 + 432*x^3 + 9011
> g = 13*x^11 + 89*x^3 + 1
> F = f^2 *
On Sep 30, 5:15 pm, William Stein wrote:
> Hi Sage-Devel,
>
> Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
> the idea of having a Sage Days in India as a satellite conference near
> when the next ICM (International Congress of Mathematicians) will
> happen in India next y
Hi all,
Found this simple bug in a simple Z[x] factoring example.
R.=PolynomialRing(ZZ)
f = 12*x^10 + x^9 + 432*x^3 + 9011
g = 13*x^11 + 89*x^3 + 1
F = f^2 * g^3
G = F.factor()
should_be_zero = F - G.prod()
should_be_zero == 0
The problem was that F.factor returns
2028 * (12*x^10 + x^9 + 432*x
William Stein wrote:
> On Wed, Sep 30, 2009 at 2:50 PM, Dr. David Kirkby
> wrote:
>> William Stein wrote:
>>> On Wed, Sep 30, 2009 at 12:29 PM, Dr. David Kirkby
>>> wrote:
http://sagetrac.org/sage_trac/ticket/6579
documents a problem which will occur if one tries to build Sage usi
On Wed, Sep 30, 2009 at 3:40 PM, ma...@mendelu.cz wrote:
>
>
>
> On 18 zář, 08:33, Robert Bradshaw
> wrote:
>> > Ok, but it should be possible to share the "worksheet" directory ?
>> > I *need* to share it (we have 3 machines, on which the users -some
>> >hundredsof students- will be connected
On Wed, 30 Sep 2009 at 12:09PM -0700, Harald Schilly wrote:
> On Sep 30, 8:02 pm, Rob Beezer wrote:
> > I often open a worksheet, do some little thing (say, a test or a
> > single plot), and never come back to it ever again. ...
>
> Me too, maybe we need an additional type of notebook? say
> "sc
On Wed, Sep 30, 2009 at 2:50 PM, Dr. David Kirkby
wrote:
>
> William Stein wrote:
>> On Wed, Sep 30, 2009 at 12:29 PM, Dr. David Kirkby
>> wrote:
>>> http://sagetrac.org/sage_trac/ticket/6579
>>>
>>> documents a problem which will occur if one tries to build Sage using
>>> gcc on 't2', or any ot
On Wed, Sep 30, 2009 at 5:15 PM, William Stein wrote:
>
> Hi Sage-Devel,
>
> Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
> the idea of having a Sage Days in India as a satellite conference near
> when the next ICM (International Congress of Mathematicians) will
> happen in
Maybe I'm missing something but wouldn't it be best to ask the authors
of Pari what the purpose of these lines are? I also feel like making
a change we don't understand at all (at least I don't) could be bad.
If we cannot for some reason then I like Dave's idea of running tests
of a build with th
On 18 zář, 08:33, Robert Bradshaw
wrote:
> > Ok, but it should be possible to share the "worksheet" directory ?
> > I *need* to share it (we have 3 machines, on which the users -some
> >hundredsof students- will be connected at random).
>
> I don't think that would be possible. What you could
On Wed, Sep 30, 2009 at 6:17 PM, Harald Schilly
wrote:
>
> hi, i don't want to add this feature to the sagemath website without a
> warning. with google translate it would be possible to display a
> translate-bar on top of the page if the browser language (you can set
> it, probably the one of th
On Sep 30, 3:17 pm, Harald Schilly wrote:
> hi, i don't want to add this feature to the sagemath website without a
> warning. with google translate it would be possible to display a
> translate-bar on top of the page if the browser language (you can set
> it, probably the one of the operating sys
hi, i don't want to add this feature to the sagemath website without a
warning. with google translate it would be possible to display a
translate-bar on top of the page if the browser language (you can set
it, probably the one of the operating system) is different from
english. it would help peopl
On Wed, Sep 30, 2009 at 8:16 AM, Marshall Hampton wrote:
> I was marveling at the broad distribution as well yesterday, its great
> to see. While developers are still mostly in Europe and the US,
> things are improving. I think we could probably benefit from more
> exposure in South America,
>
William Stein wrote:
> On Wed, Sep 30, 2009 at 12:29 PM, Dr. David Kirkby
> wrote:
>> http://sagetrac.org/sage_trac/ticket/6579
>>
>> documents a problem which will occur if one tries to build Sage using
>> gcc on 't2', or any other Solaris box I have tried on. One has to
>> manually comment out
On Sep 30, 10:49 pm, Bill Page wrote:
> Is anyone thinking/doing anything about integrating Sage with Google
> Wave.
yes, thinking here :)
from all what i have read and seen (i've a developer account) it's not
that hard. i think the best model would be to design a "robot" (that's
an artificial p
Highly interested, subject to evolving sabbatical approval and
associated travel funding request.
Rob
On Sep 30, 2:15 pm, William Stein wrote:
> Hi Sage-Devel,
>
> Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
> the idea of having a Sage Days in India as a satellite confer
Hi,
Here is the current state of my symbolic functions changes. I won't be
able to work on this much in the near future. I don't even expect to
have e-mail access in the next few days.
I would really like to hear comments and suggestions on the new design.
Below is a quick summary of some of the
Hi Sage-Devel,
Jarrod Millman, Prabhu Ramachandran, and I have been kicking around
the idea of having a Sage Days in India as a satellite conference near
when the next ICM (International Congress of Mathematicians) will
happen in India next year (Aug 19-27, 2010 -- see
http://www.icm2010.org.in/)
http://wave.google.com
Is anyone thinking/doing anything about integrating Sage with Google
Wave. Wave is a new collaboration environment that emphasizes
real-time collaboration, richly formatted documents and emails. In my
ideal "math" environment (next generation Sage Notebook?) I would like
it
On Wed, Sep 30, 2009 at 12:29 PM, Dr. David Kirkby
wrote:
>
> http://sagetrac.org/sage_trac/ticket/6579
>
> documents a problem which will occur if one tries to build Sage using
> gcc on 't2', or any other Solaris box I have tried on. One has to
> manually comment out lines 258, 259 and 428 of th
2009/9/30 Dr. David Kirkby :
>
> http://sagetrac.org/sage_trac/ticket/6579
>
> documents a problem which will occur if one tries to build Sage using
> gcc on 't2', or any other Solaris box I have tried on. One has to
> manually comment out lines 258, 259 and 428 of the file
> $SAGE_HOME/local/incl
On Wed, 30 Sep 2009 11:22:20 -0700 (PDT)
kcrisman wrote:
> Is there any possibility of Pynac becoming part of the standard Sage
> mercurial repo? In the sense that one would have immediate access to
> changes to it via hg_sage, etc. Maybe that's not kosher, since those
> C ++ files aren't gene
http://sagetrac.org/sage_trac/ticket/6579
documents a problem which will occur if one tries to build Sage using
gcc on 't2', or any other Solaris box I have tried on. One has to
manually comment out lines 258, 259 and 428 of the file
$SAGE_HOME/local/include/pari/paripriv.h
I personally don't
On Wed, 23 Sep 2009 23:47:50 -0700
William Stein wrote:
>
> On Wed, Sep 23, 2009 at 10:11 AM, Francois Maltey
> wrote:
> >
> > Where is this mysterious method self._gobj.expand(0) ?
>
> That is in the pynac source code. Pynac is a C++ librayr. To look at
> it you have to download and extra
Burcin Erocal wrote:
> On Sun, 27 Sep 2009 13:47:49 -0700
> William Stein wrote:
>
>> On Sun, Sep 27, 2009 at 6:38 AM, Dr. David Kirkby
>> wrote:
>>> Using
>>>
>>> * Solaris 10 update 7 on SPARC
>>> * sage-4.1.2.alpha2
>>> * Sun Studio 12.1
>>> * An updated configure script to a
On Sep 30, 8:02 pm, Rob Beezer wrote:
> I often open a worksheet, do some little thing (say, a test or a
> single plot), and never come back to it ever again. ...
Me too, maybe we need an additional type of notebook? say
"scratchpad", which is just temporary without any saving and lost if
you c
On Wed, Sep 30, 2009 at 9:22 AM, Jason Grout
wrote:
>
> Pablo Angulo wrote:
>> Many of my students have run into the following problem: they have
>> deleted the code cells that separated two text blocks and it's
>> impossible to put a code block between the two text blocks.
>> The only solution I
On Sun, 27 Sep 2009 13:47:49 -0700
William Stein wrote:
>
> On Sun, Sep 27, 2009 at 6:38 AM, Dr. David Kirkby
> wrote:
> >
> > Using
> >
> > * Solaris 10 update 7 on SPARC
> > * sage-4.1.2.alpha2
> > * Sun Studio 12.1
> > * An updated configure script to allow the Sun compiler
On Sep 30, 2:13 pm, Burcin Erocal wrote:
> On Wed, 30 Sep 2009 10:52:56 -0700 (PDT)
>
> kcrisman wrote:
> > As it turns out, for this particular issue (#5556), it turned out that
> > gamma(3/4) was auto-evaluating in the actual rational rings code, so
> > this was not Pynac. I apologize if I
>
> This issue is being tracked athttp://trac.sagemath.org/sage_trac/ticket/7084
Patch is up.
- kcrisman
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To post to this group, send an email to sage-devel@googlegroups.com
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On Wed, 30 Sep 2009 10:52:56 -0700 (PDT)
kcrisman wrote:
> As it turns out, for this particular issue (#5556), it turned out that
> gamma(3/4) was auto-evaluating in the actual rational rings code, so
> this was not Pynac. I apologize if I didn't make that clearer above.
No apologies necessary
On Sep 30, 7:12 am, Bill Page wrote:
> > Also, would you like it so that when you create a new worksheet
> > it immediately always by default pops up the "rename" window?
>
> No, I don't think so. It might be a little awkward to have to specify
> a new name every time you just want to try somethi
Hi Francois,
On Mon, 28 Sep 2009 20:28:46 +0200
Francois Maltey wrote:
> If I am right, the symbolic manipulations of Sage come from the
> (py)ginac librairies.
Yes, we use pynac, which is derived from ginac to replace the numeric
types with python objects.
It is a good idea to read the gin
Thanks for the examples, Burcin - it will definitely be great for the
long haul to have a unified context. I'm not exactly sure what the
difference between _eval_ and friends is, to be honest, and as long as
the use of prec is deprecated and there is a consistent alternative
everywhere, it should
Hi Karl-Dieter,
On Wed, 30 Sep 2009 07:01:03 -0700 (PDT)
kcrisman wrote:
> On Sep 29, 2:30 pm, Robert Bradshaw
> wrote:
> > On Sep 29, 2009, at 9:16 AM, kcrisman wrote:
> >
> > > Dear sage-devel,
> >
> > > The recently merged Pynac 0.1.9 now automatically evaluates
> > > "inexact" (whatever th
Dr. David Kirkby wrote:
>> Just out of curiosity, what is the reason behind Solaris shipping with
>> such an ancient compiler? I mean, GCC 3.4.3 was released short of 5
>> years ago, it is not maintained anymore by the original developers (I
>> think), it has no Fortran > 77 support, poor compli
On Thu, Sep 24, 2009 at 11:07 AM, Robert Bradshaw <
rober...@math.washington.edu> wrote:
>
> On Sep 22, 2009, at 8:51 AM, Jason Grout wrote:
>
> > Tim Joseph Dumol wrote:
> >> Sorry, I mean't we *can't* use it without a bit of modification.
> >
> >
> > A google search for "rietveld mercurial" show
francesco biscani wrote:
> On Wed, Sep 30, 2009 at 8:16 AM, Dr. David Kirkby
> wrote:
>> Does there need to be a Fortran compiler on the system to build Sage, or
>> is the fortran-20071120.p9 package a fortran compiler able to build Sage?
>>
>> The reason I ask is that if there is no need for a
Pablo Angulo wrote:
> Many of my students have run into the following problem: they have
> deleted the code cells that separated two text blocks and it's
> impossible to put a code block between the two text blocks.
> The only solution I've found is: create more text and code blocks below,
> then
Marshall Hampton wrote:
> I think Jason is in Iowa, not Idaho. Often confused by coastal folks,
> but very different.
>
Yep, that's right. I hear that in the winter, we in Iowa feel colder
than the folks in Idaho. (though Marshall, you are probably colder yet!)
> I was marveling at the br
William Stein wrote:
> On Tue, Sep 29, 2009 at 5:11 PM, Robert Bradshaw
> wrote:
>>
>> On Sep 29, 2009, at 3:36 PM, Dr. David Kirkby wrote:
>>> As such, I've set all flags, including those for Fortran, even when
>>> not
>>> needed. The extra few bytes of code does no significant harm. If the
>>>
Many of my students have run into the following problem: they have
deleted the code cells that separated two text blocks and it's
impossible to put a code block between the two text blocks.
The only solution I've found is: create more text and code blocks below,
then copy and paste. Can I ask for
On Sep 30, 11:07 am, lutusp wrote:
> I find I cannot make more than one of a certain kind of assume
> statement:
>
> sage: assume(a,'real')
> sage: assume(b,'real')
>
> If I do, I get an error message:
>
> AttributeError: 'GenericDeclaration' object has no attribute
> 'variables'
It's comparin
A simplified successor to
http://wiki.sagemath.org/SageUsability
is up at
http://wiki.sagemath.org/SageTasks
My apologies for omissions, other mistakes, poor classifications, and
other errors of judgment. Feel free to make changes.
I'm too tired right now to add the new items in sagenb/todo
I find I cannot make more than one of a certain kind of assume
statement:
sage: assume(a,'real')
sage: assume(b,'real')
If I do, I get an error message:
AttributeError: 'GenericDeclaration' object has no attribute
'variables'
One such assumption is accepted, but not two. But more typical
assum
On Wed, Sep 30, 2009 at 12:32 AM, William Stein wrote:
>
> On Tue, Sep 29, 2009 at 12:30 PM, Bill Page wrote:
>>
>> I'd like to propose a new item in the
>>
>> File ...
>>
>> drop-down box. One thing that has always bugged me is having to
>> Rename a worksheet before clicking Save. I have also
On Sep 29, 2:30 pm, Robert Bradshaw
wrote:
> On Sep 29, 2009, at 9:16 AM, kcrisman wrote:
>
> > Dear sage-devel,
>
> > The recently merged Pynac 0.1.9 now automatically evaluates
> > "inexact" (whatever that means) input to most functions, like trig,
> > gamma, etc.
>
> > Should it do this for
2009/9/30 kcrisman :
>
> This was already considered when graph color defaults were discussed,
> and I've been impressed by how Sage developers seem quite cognizant of
> the issue.
Perhaps because of red-green colour blind developers like me! In the
article linked to above there's one of those d
On Wed, Sep 30, 2009 at 8:16 AM, Dr. David Kirkby
wrote:
>
> Does there need to be a Fortran compiler on the system to build Sage, or
> is the fortran-20071120.p9 package a fortran compiler able to build Sage?
>
> The reason I ask is that if there is no need for a Fortran compiler, it
> is quite
This was already considered when graph color defaults were discussed,
and I've been impressed by how Sage developers seem quite cognizant of
the issue.
On a related note, does anyone know what happens when you try to use a
Sage notebook with some standard software for visually-impaired users
(I t
This works fine in the latest alpha release, at any rate.
- kcrisman
On Sep 30, 7:41 am, Harald Schilly wrote:
> From the "report a problem" bug list:
>
> in Sage 4.1.1
>
> the evaluation of :
> f = e^(sqrt(x));
> f.integral(x,1,2);
>
> give the error :
> Traceback (click to the left for traceb
>From the "report a problem" bug list:
in Sage 4.1.1
the evaluation of :
f = e^(sqrt(x));
f.integral(x,1,2);
give the error :
Traceback (click to the left for traceback)
...
Is yx positive or negative?
however the evalutation of :
f = 2^((sqrt(x))/ln(2));
f.integral(x,0,2);
work correctly...
I think Jason is in Iowa, not Idaho. Often confused by coastal folks,
but very different.
I was marveling at the broad distribution as well yesterday, its great
to see. While developers are still mostly in Europe and the US,
things are improving. I think we could probably benefit from more
exp
-- Forwarded message --
From: Steffen Müller
Date: Wed, Sep 30, 2009 at 00:20
Subject: Re: genus2reduction bug ?
correction: the 11 in [I_0-I_11-1] should be a 2. Also Liu wrote to me
that he ran this original program (outside sage) and the same problem
occurred, so it's really
I just noticed that the following seems okay:
sage: f(t)=matrix([t,t^3])
sage: type(f(t))
sage: type(f(t).pyobject())
However, not much seems to work correctly:
sage: var('a')
a
sage: f(a)
[ t t^3]
sage: f(t=4)
[ t t^3]
How do I get f(t=3) to behave like:
sage: f(t).pyobject()(t=3)
[ 3 27
On Wed, Sep 30, 2009 at 1:05 AM, Stan Schymanski wrote:
>
> Hi William,
>
> This is not a bug, but a feature that has bugged me ever since it has
> been introduced:
> When I click on a worksheet from the worksheet list, the worksheet is
> opened in a new tab in FF. If I then close the worksheet a
On Wed, Sep 30, 2009 at 1:15 AM, Dr. David Kirkby
wrote:
>
> William Stein wrote:
>> On Tue, Sep 29, 2009 at 11:16 PM, Dr. David Kirkby
>> wrote:
>>> Does there need to be a Fortran compiler on the system to build Sage, or
>>> is the fortran-20071120.p9 package a fortran compiler able to build
William Stein wrote:
> On Tue, Sep 29, 2009 at 11:16 PM, Dr. David Kirkby
> wrote:
>> Does there need to be a Fortran compiler on the system to build Sage, or
>> is the fortran-20071120.p9 package a fortran compiler able to build Sage?
>
> Both answers are right -- it depends on the system.
Do
Hi,
On Wed, Sep 30, 2009 at 6:00 PM, Dag Sverre Seljebotn
wrote:
>
> Another preprint today: The Cython tutorial. It's written by myself, Robert
> Bradshaw and Stefan Behnel and should be the best starting point available
> for people who want to learn to use Cython.
>
> http://sage.math.washing
Hi William,
This is not a bug, but a feature that has bugged me ever since it has
been introduced:
When I click on a worksheet from the worksheet list, the worksheet is
opened in a new tab in FF. If I then close the worksheet again, I get
directed back to the worksheet list in that tab, ending
Another preprint today: The Cython tutorial. It's written by myself,
Robert Bradshaw and Stefan Behnel and should be the best starting point
available for people who want to learn to use Cython.
http://sage.math.washington.edu/home/dagss/cython-tutorial-preprint.pdf
As time goes we'll make sur
Hi folks,
The site www.webmonkey.com has an interesting article [1] about design
patterns to consider when designing websites to cater to a range of
users, including people with colour blindness. Many of the ideas
mentioned there, and some links listed, might be useful to the
re-design of the Sag
On Tue, Sep 29, 2009 at 11:16 PM, Dr. David Kirkby
wrote:
>
> Does there need to be a Fortran compiler on the system to build Sage, or
> is the fortran-20071120.p9 package a fortran compiler able to build Sage?
Both answers are right -- it depends on the system.
> The reason I ask is that if t
Hi folks,
Dan Drake and I have narrowed down a case where parallel doctesting
would be broken with Sage 4.1.2.alpha4. With a freshly compiled Sage
4.1.2.alpha4, or take the sage.math binary for Sage 4.1.2.alpha4,
follow these steps and watch the carnage:
1. Delete the directory HOME/.sage, yes t
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