On 11/ 4/10 11:38 PM, David Joyner wrote:
sage: plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750)
and
sage:
B=plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750,viewer='tachyon')
sage: B.show()
look better. I wonder what Mma uses as the default nu
On Nov 4, 5:17 pm, Jason Grout wrote:
> On 11/4/10 6:56 PM, William Stein wrote:
>
> > On Thu, Nov 4, 2010 at 4:32 PM, Jason Grout
> > wrote:
> >> On 11/4/10 6:12 PM, rjf wrote:
>
> >>> 1. can you prove a program correct without looking at its source code?
> >>> answer: yes, sometimes.
>
>
On Nov 4, 10:51 am, David Kirkby wrote:
> On 4 November 2010 15:46, Jason Grout wrote:
>
> > On 11/4/10 10:43 AM, David Kirkby wrote:
>
> >> It looks smoother, but does not change the fundamental problem
>
> > I agree. I guess one way to deal with the problem is to subdivide the space
> > like t
On 11/4/10 6:56 PM, William Stein wrote:
On Thu, Nov 4, 2010 at 4:32 PM, Jason Grout wrote:
On 11/4/10 6:12 PM, rjf wrote:
1. can you prove a program correct without looking at its source code?
answer: yes, sometimes.
I'm really curious. How would you do prove a program correct without
On Thu, Nov 4, 2010 at 4:32 PM, Jason Grout wrote:
> On 11/4/10 6:12 PM, rjf wrote:
>>
>> 1. can you prove a program correct without looking at its source code?
>> answer: yes, sometimes.
>
> I'm really curious. How would you do prove a program correct without
> looking at its source code? (I
sage: plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750)
and
sage:
B=plot3d(sqrt(sin(x)*sin(y)),(x,-2*pi,2*pi),(y,-2*pi,2*pi),plot_points=750,viewer='tachyon')
sage: B.show()
look better. I wonder what Mma uses as the default number of points.
Does anyone know if they are
On 11/4/10 6:12 PM, rjf wrote:
1. can you prove a program correct without looking at its source code?
answer: yes, sometimes.
I'm really curious. How would you do prove a program correct without
looking at its source code? (I assume "prove correct" means that you
guarantee that a certai
On Nov 4, 10:31 am, David Kirkby wrote:
> On 4 November 2010 17:14, Kwankyu Lee wrote:
>
> > Hi Minh,
>
> > Thank you for the link to the article of J. Neubuser. I think the
> > article should be displayed in a holy place at the Sage website, as it
> > seems to me the original source of the phi
This is worth having a look at
http://trac.sagemath.org/sage_trac/ticket/10215
even if the results are a bit depressing.
Dave
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For mor
Dear John, dear all,
> >> Date: Sat, 30 Oct 2010 14:51:27 +0100
> >> From: John Cremona
> >> With a few (preferably native English-speaking) people collaborating,
> >> translating the French book would not be at all hard. Paul, would you
> >> be willing to coordinate a little project to
On Nov 4, 11:38 am, kcrisman wrote:
> > Extcode and examples are very much about the math. The scripts not as
> > much, but lots of the sage library is infrastructure as well.
>
> Just for the record, most (all? William's said this) of examples is
> now no longer necessary.
What about extcode?
I have opened two new tickets on these matters:
http://trac.sagemath.org/sage_trac/ticket/10212
http://trac.sagemath.org/sage_trac/ticket/10213
Oscar.
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On Nov 5, 1:31 am, William Stein wrote:
> On Thu, Nov 4, 2010 at 6:03 AM, kcrisman wrote:
>
> > On Nov 4, 12:04 am, Minh Nguyen wrote:
> >> Hi Dima,
>
> >> On Thu, Nov 4, 2010 at 2:13 PM, Dima Pasechnik wrote:
> >> > I saw somewhere a detailed discussion of technology behind making the
> >> >
On 11/4/10 1:42 PM, Jason Grout wrote:
Even better: upgrade to mathjax
See http://trac.sagemath.org/sage_trac/ticket/9774 for work in progress
(helpers welcome!).
Jason
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On 11/4/10 1:14 PM, Robert Bradshaw wrote:
I would also e.g. remove all fonts from the SageNB (and perhaps
MoinMoin) packages; they don't compress well and it doesn't make sense
to have them under revision control. The SageNB repo is full of old,
*deleted* fonts.
+1 to that idea.
Even bette
>
> Extcode and examples are very much about the math. The scripts not as
> much, but lots of the sage library is infrastructure as well.
>
Just for the record, most (all? William's said this) of examples is
now no longer necessary. We've been loath to get rid of much of them
easily, though. I
On Thu, Nov 4, 2010 at 4:45 AM, leif wrote:
> On 4 Nov., 01:45, William Stein wrote:
>> On Wed, Nov 3, 2010 at 1:35 AM, Robert Bradshaw
>>
>> wrote:
>> > On Wed, Nov 3, 2010 at 1:27 AM, Jeroen Demeyer
>> > wrote:
>> >> On 2010-11-03 09:17, Robert Bradshaw wrote:
>> >>> A lot less hassle once i
I knew of matplotlib, but I was not aware of the GridSpec feature.
Thanks for pointing it out. I'll look into it. Thanks also for your
other comments.
kj
On Nov 4, 1:26 pm, Jason Grout wrote:
> On 11/4/10 11:59 AM, kj wrote:
>
>
>
>
>
> > I would like to extend Sage to allow for recursive com
On Thu, Nov 4, 2010 at 6:03 AM, kcrisman wrote:
>
>
> On Nov 4, 12:04 am, Minh Nguyen wrote:
>> Hi Dima,
>>
>> On Thu, Nov 4, 2010 at 2:13 PM, Dima Pasechnik wrote:
>> > I saw somewhere a detailed discussion of technology behind making the
>> > material on
>> >http://www.sagemath.org/help-video.
On 4 November 2010 17:14, Kwankyu Lee wrote:
> Hi Minh,
>
> Thank you for the link to the article of J. Neubuser. I think the
> article should be displayed in a holy place at the Sage website, as it
> seems to me the original source of the philosophy on which all this
> Sage project is founded.
>
On Thu, Nov 4, 2010 at 10:14 AM, Kwankyu Lee wrote:
> Hi Minh,
>
> Thank you for the link to the article of J. Neubuser. I think the
> article should be displayed in a holy place at the Sage website, as it
> seems to me the original source of the philosophy on which all this
> Sage project is foun
On 11/4/10 11:59 AM, kj wrote:
I would like to extend Sage to allow for recursive composition of
graphics arrays. (I.e. to enable having graphics arrays as individual
elements in a larger graphics array; as far as I can tell, Sage's
graphics_array does not support such higher-order graphics arra
Hi Minh,
Thank you for the link to the article of J. Neubuser. I think the
article should be displayed in a holy place at the Sage website, as it
seems to me the original source of the philosophy on which all this
Sage project is founded.
Kwankyu
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I would like to extend Sage to allow for recursive composition of
graphics arrays. (I.e. to enable having graphics arrays as individual
elements in a larger graphics array; as far as I can tell, Sage's
graphics_array does not support such higher-order graphics arrays.)
For this, the function that
On 4 November 2010 12:06, Minh Nguyen wrote:
> Hi David,
>
> On Thu, Nov 4, 2010 at 10:56 PM, David Kirkby wrote:
>> I've seen reference to somewhere, where an academic said essentially
>> that submitting a paper to a peer reviewed journal, while refusing to
>> give the proof would be rejected.
On 4 November 2010 15:46, Jason Grout wrote:
> On 11/4/10 10:43 AM, David Kirkby wrote:
>>
>> It looks smoother, but does not change the fundamental problem
>
> I agree. I guess one way to deal with the problem is to subdivide the space
> like the implicit_plot3d function does. Another way is to
On 11/4/10 10:43 AM, David Kirkby wrote:
It looks smoother, but does not change the fundamental problem
I agree. I guess one way to deal with the problem is to subdivide the
space like the implicit_plot3d function does. Another way is to use the
adaptive plotting (which presumably slices up
On 4 November 2010 13:00, Jason Grout wrote:
> On 11/4/10 5:01 AM, David Kirkby wrote:
>> For comparison here is the same plot in Mathematica, using:
>>
>> Plot3D[Sqrt[Sin[x] Sin[y]],{x,-2 Pi, 2 Pi},{y, - 2 Pi, 2 Pi}]
>>
>>
>> http://boxen.math.washington.edu/home/kirkby/Plot3D-in-Mathematica-of-s
On Nov 4, 12:04 am, Minh Nguyen wrote:
> Hi Dima,
>
> On Thu, Nov 4, 2010 at 2:13 PM, Dima Pasechnik wrote:
> > I saw somewhere a detailed discussion of technology behind making the
> > material on
> >http://www.sagemath.org/help-video.html
> > but cannot find this anymore.
>
I actually asked
On 11/4/10 5:01 AM, David Kirkby wrote:
On 4 November 2010 08:35, Jeroen Demeyer wrote:
Over at #8433, we have some 3d plot using Tachyon which works for some
people but not for others. I believe it would be useful to have some
people test it such that we might determine why it works on some s
Hi David,
On Thu, Nov 4, 2010 at 10:56 PM, David Kirkby wrote:
> I've seen reference to somewhere, where an academic said essentially
> that submitting a paper to a peer reviewed journal, while refusing to
> give the proof would be rejected.
I'm taking a guess. It's from a small section in the f
William Stein and David Joyner, Notices of the AMS.
http://www.ams.org/notices/200710/
David
On Thu, Nov 4, 2010 at 07:56, David Kirkby wrote:
> I've seen reference to somewhere, where an academic said essentially
> that submitting a paper to a peer reviewed journal, while refusing to
> give the
I've seen reference to somewhere, where an academic said essentially
that submitting a paper to a peer reviewed journal, while refusing to
give the proof would be rejected. Yet that is what happens wihen one
uses tools like Mathematica.
It was on the Sage website somewhere - can anyone tell me whe
On 4 Nov., 01:45, William Stein wrote:
> On Wed, Nov 3, 2010 at 1:35 AM, Robert Bradshaw
>
> wrote:
> > On Wed, Nov 3, 2010 at 1:27 AM, Jeroen Demeyer
> > wrote:
> >> On 2010-11-03 09:17, Robert Bradshaw wrote:
> >>> A lot less hassle once it's implemented though.
> >> Which "hassle"? What's t
And http://trac.sagemath.org/sage_trac/ticket/10182 is even easier!
John
On Thu, Nov 4, 2010 at 11:06 AM, Minh Nguyen wrote:
> Hi folks,
>
> If you are new to Sage development, you might want to review ticket #10210:
>
> http://trac.sagemath.org/sage_trac/ticket/10210
>
> If you want, I promise
Hi folks,
If you are new to Sage development, you might want to review ticket #10210:
http://trac.sagemath.org/sage_trac/ticket/10210
If you want, I promise to guide you through the review process.
--
Regards
Minh Van Nguyen
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Hi,
Thanks for your opinion on this. I looked at
> def f():
> from pylab import *
...
> savefig('test.png')
before, but didn't liked the warning - also wondered about other proposed way:
> pylab_mode()
...
> pylab_mode(False)
but it looked really fake to me. I liked the "with" approach, no
On 4 November 2010 08:35, Jeroen Demeyer wrote:
> Over at #8433, we have some 3d plot using Tachyon which works for some
> people but not for others. I believe it would be useful to have some
> people test it such that we might determine why it works on some systems
> but not on others.
>
> It's
Over at #8433, we have some 3d plot using Tachyon which works for some
people but not for others. I believe it would be useful to have some
people test it such that we might determine why it works on some systems
but not on others.
It's just a matter of copy-pasting the code in the bug report fro
Hi
On Thu, Nov 04, 2010 at 12:34:50AM -0700, jonha...@gmail.com wrote:
> jonha...@[~/my_sage_dir/SAGE_parsley_Build_Testing/sage-4.6]: sage -t
> "devel/sage/sage/interfaces/qepcad.py"
> from expect import Expect, ExpectFunction, AsciiArtString
> ImportError: No module named expect
I'm not sur
Hi,
I just built sage-4.6 on this machine (Sun Fire X4450 -- with Xenon
processors), and it passes all doctests except for one (see below),
even though the trac ticket
http://trac.sagemath.org/sage_trac/ticket/9864
was postponed to be fixed in 4.6.1. Thanks to whomever mostly fixed
this!
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