[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
On Sep 21, 10:34 pm, Nasser Abbasi <[EMAIL PROTECTED]> wrote: > Let me rewrite what I wrote in last post again, since it did not > format well. > I think it is still not clear, so I wrote it in latex via SW, here it is again as screen image and PDF file http://12000.org/tmp/092108/eq.gif http://12000.org/tmp/092108/eq.pdf I hope this is more clear. Nasser --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Sage Days 10: October 10-15, Nancy, France
Hi all, this is a reminder that Sage Days 10 (SD10) is fast approaching! It is still possible to register until October 3. See http://wiki.sagemath.org/days10, where you can see the scientific program, with the titles and abstracts of the invited and contributed talks. After SD6 in Bristol last year, SD10 will be the 2nd Sage Days in Europe, and a unique opportunity to discuss with the Sage developers. Two extra special events are planned for SD10: * on October 11, there will be a sage-combinat session: The purpose of the *-Combinat project is to provide an extensible toolbox for computer exploration in algebraic combinatorics, and foster code sharing between researchers in this area. We will present the history, features, and design of MuPAD-Combinat, and discuss the timeline, difficulties, but also great technical and community opportunities that arise from the ongoing port as Sage-Combinat. * on October 14, Robert Bradshaw will give a plenary demonstration of Sage. If you have any questions, feel free to email me or any of the other organizers! On behalf of the organizing committee, Paul Zimmermann PS: I take the opportunity to advertize a workshop on integer factoring that will take place just before SD10 in Nancy: cado.gforge.inria.fr/workshop/. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Suggestions for the notebook
(2) Thanks that sounds good. I'm not sure how to use #auto though, where do I put this option? Cheers, Maike On Sep 5, 6:12 pm, Marshall Hampton <[EMAIL PROTECTED]> wrote: > Hi, > > There is a wiki page for notebook suggestions, but I don't think its > been used much lately:http://wiki.sagemath.org/Notebook_suggestions > > Your suggestion (1) is good, that would be nice. Probably wouldn't be > too hard to do. > (2) I think is problematic - the way I often use the notebook, I > wouldn't want all cells evaluated. You can use the #auto option to > auto-evaluate. > > Cheers, > M. Hampton > > On Sep 5, 8:18 am, Maike <[EMAIL PROTECTED]> wrote: > > > Hello, > > > I'm not sure if this mailing list is the right place for suggestions > > (sorry to all for the extra "spam", if there is a better way, please > > let me know), but here are two ideas for one of the next versions of > > the notebook: > > > 1. Printing: At the moment the "Print" link prints all source code and > > output. It would be nice to be able to print just the code or just the > > output. > > > 2. When I open an existing worksheet, not all cells are evaluated. > > Especially ones that start with %hide or %latex don't show the output > > until I choose "Evaluate All" from the "Actions..."-menu. It would be > > nice to have ALL cells evaluated automatically when starting up a > > worksheet. > > > Great work so far, I'm really impressed with how quickly Sage is > > developing! > > Maike --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Suggestions for the notebook
Hi Maike, On Mon, Sep 22, 2008 at 3:04 AM, Maike <[EMAIL PROTECTED]> wrote: > > (2) Thanks that sounds good. I'm not sure how to use #auto though, > where do I put this option? You put %auto as the first line of the cell that you want to auto-evaluate. --Mike --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
It doesn't converge because in your first post you said
assume(f>0)
Its convergence is the same as
integral( cos(2 * pi * f * t), t , 0 , Infinity)
(think about area under a curve...). By the way, sage gives:
sage: t = var("t")
sage: x = var("x")
sage: assume(x>0)
sage: integral( cos(2 * pi * x * t), t , 0 , Infinity)
ind
What is "ind"?
On Mon, Sep 22, 2008 at 3:18 AM, Nasser Abbasi <[EMAIL PROTECTED]> wrote:
>
>
>
> On Sep 21, 10:34 pm, Nasser Abbasi <[EMAIL PROTECTED]> wrote:
>> Let me rewrite what I wrote in last post again, since it did not
>> format well.
>>
>
> I think it is still not clear, so I wrote it in latex via SW, here it
> is again as screen image and PDF file
>
> http://12000.org/tmp/092108/eq.gif
>
> http://12000.org/tmp/092108/eq.pdf
>
> I hope this is more clear.
>
> Nasser
> >
>
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[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
On Sep 22, 12:14 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: > sage: integral( cos(2 * pi * x * t), t , 0 , Infinity) > ind > > What is "ind"? my guess: indefinite (NaN in python-speak) h --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
you can indirectly get
> ./sage
---
| SAGE Version 3.1.1 ...
| Type notebook() ...
--
sage: var('a b t x')
(a, b, t, x)
sage: assume(b<0)
sage: expr(x)=integral(exp(-2*I*pi*(a+I*b)*t),t,0,x)
sage: factor(limit(expr(x),x=infinity))
-1*I/(2*pi*(I*b+a))
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[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
(where is my my last post ?)
you can indirectly get :
>./sage
--
| SAGE Version 3.1.1 ...
| Type notebook()
--
sage: var('a b t x')
(a, b, t, x)
sage: assume(b<0)
sage: expr(x)=integral(exp(-2*I*pi*(a+I*b)*t),t,0,x)
sage: factor(limit(expr(x),x=infinity)
-1*I/(2*pi*(I*b+a))
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[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
On Mon, Sep 22, 2008 at 7:03 AM, kkwweett <[EMAIL PROTECTED]> wrote:
>
> (where is my my last post ?)
All 1st posts must be moderated due to the large amount of spam sent to
the list.
>
> you can indirectly get :
>
>>./sage
> --
> | SAGE Version 3.1.1 ...
> | Type notebook()
> --
>
> sage: var('a b t x')
> (a, b, t, x)
> sage: assume(b<0)
> sage: expr(x)=integral(exp(-2*I*pi*(a+I*b)*t),t,0,x)
> sage: factor(limit(expr(x),x=infinity)
> -1*I/(2*pi*(I*b+a))
>
> >
>
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[sage-support] Re: Suggestions for the notebook
Hmmm, I get "NameError: name 'auto' is not defined". I'm using version 3.1.1, should that support %auto? Thanks! Maike On Sep 22, 12:06 pm, "Mike Hansen" <[EMAIL PROTECTED]> wrote: > Hi Maike, > > On Mon, Sep 22, 2008 at 3:04 AM, Maike <[EMAIL PROTECTED]> wrote: > > > (2) Thanks that sounds good. I'm not sure how to use #auto though, > > where do I put this option? > > You put %auto as the first line of the cell that you want to auto-evaluate. > > --Mike --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] problems with install path
L.S., When updating to Sage 3.1.2 I run into the following problem: Am using a Mac G4 dual core, OSX 10.4.11. Used a previous version of Sage without apparent problems. Updating to 3.1.2 however was not without hickups: copying Sage with the finder resulted in error messages that duplicate names were not allowed. Removing all visible traces of Sage from /Applications and then installing with Terminal (sudo cp -R -P "/Volumes/sage-3.1.2-osx10.4- ppc-PowerMacintosh-Darwin/" . inside the Applications folder) appeared to work fine. Starting Sage however resulted in the following: /Users/arnold>cd "/Applications/sage" ; "/Applications/sage/sage" -- | SAGE Version 3.1.2, Release Date: 2008-09-19 | | Type notebook() for the GUI, and license() for information.| -- The SAGE install tree may have moved. Regenerating Python.pyo and .pyc files that hardcode the install PATH (please wait at most a few minutes)... Please do not interrupt this. Traceback (most recent call last): File "/Applications/sage/local/bin/sage-location", line 71, in update_library_files(R) File "/Applications/sage/local/bin/sage-location", line 39, in update_library_files open(LIB + F,'w').write(H) IOError: [Errno 13] Permission denied: '/Applications/sage/local/lib/ libfplll.la' sage: Typing "notebook()" gives me a list of previous notebooks; when I open one, type a new line and ask to evaluate nothing happens. The error message at startup never occurred before. What am I doing wrong? Regards, arnold --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] sage -wiki not starting
Hi, I would guess this might be related to ticket #1870. If I try to run sage -wiki or wiki() I get an error. $ sage -- | SAGE Version 3.1.2, Release Date: 2008-09-16 | | Type notebook() for the GUI, and license() for information.| -- sage: wiki() ** ** * Open your web browser to http://localhost:9000 * ** ** Removing stale pidfile /home/adamwebb/tmp/sage_wiki/twistd.pid 2008-09-22 14:03:18+0200 [-] Log opened. 2008-09-22 14:03:18+0200 [-] twistd 8.1.0 (/home/adamwebb/local/sage/ local/bin/python 2.5.2) starting up 2008-09-22 14:03:18+0200 [-] reactor class: 2008-09-22 14:03:18+0200 [-] MoinMoin.server.twistedmoin.MoinSite starting on 9000 2008-09-22 14:03:18+0200 [-] Starting factory 2008-09-22 14:03:18+0200 [-] Traceback (most recent call last): 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ bin/twistd", line 21, in 2008-09-22 14:03:18+0200 [-] run() 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/scripts/twistd.py", line 27, in run 2008-09-22 14:03:18+0200 [-] app.run(runApp, ServerOptions) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/application/app.py", line 614, in run 2008-09-22 14:03:18+0200 [-] runApp(config) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/scripts/twistd.py", line 23, in runApp 2008-09-22 14:03:18+0200 [-] _SomeApplicationRunner(config).run() 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/application/app.py", line 337, in run 2008-09-22 14:03:18+0200 [-] self.postApplication() 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line 207, in postApplication 2008-09-22 14:03:18+0200 [-] self.startApplication(self.application) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line 309, in startApplication 2008-09-22 14:03:18+0200 [-] self.shedPrivileges(self.config['euid'], uid, gid) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line 281, in shedPrivileges 2008-09-22 14:03:18+0200 [-] switchUID(uid, gid, euid) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/python/util.py", line 664, in switchUID 2008-09-22 14:03:18+0200 [-] initgroups(uid, gid) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/python/util.py", line 641, in initgroups 2008-09-22 14:03:18+0200 [-] _setgroups_until_success(l) 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ lib/python2.5/site-packages/twisted/python/util.py", line 587, in _setgroups_until_success 2008-09-22 14:03:18+0200 [-] setgroups(l) 2008-09-22 14:03:18+0200 [-] OSError: [Errno 1] Operation not permitted True sage: This is on 32-bit Scientific Linux 5.1. I used the wiki with 3.1 so this is recent. cheers, Adam --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: question on using integral() in sage. Fourier transform of unit step function.
David Joyner wrote: > sage: assume(x>0) > sage: integral( cos(2 * pi * x * t), t , 0 , Infinity) > ind > > What is "ind"? I guess this is coming from Maxima, where ind = indeterminate. Btw und = undefined if ever you run across that, and don't forget inf = positive real infinity, minf = negative real infinity, infinity = complex infinity. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problems with install path
On Sep 22, 5:38 am, arnold <[EMAIL PROTECTED]> wrote: > L.S. Hi, > When updating to Sage 3.1.2 I run into the following problem: > > Am using a Mac G4 dual core, OSX 10.4.11. > Used a previous version of Sage without apparent problems. Updating to > 3.1.2 however was not without hickups: copying Sage with the finder > resulted in error messages that duplicate names were not allowed. > Removing all visible traces of Sage from /Applications and then > installing with Terminal (sudo cp -R -P "/Volumes/sage-3.1.2-osx10.4- > ppc-PowerMacintosh-Darwin/" . inside the Applications folder) appeared > to work fine. Starting Sage however resulted in the following: > > /Users/arnold>cd "/Applications/sage" ; "/Applications/sage/sage" > -- > | SAGE Version 3.1.2, Release Date: 2008-09-19 | > | Type notebook() for the GUI, and license() for information. | > -- > The SAGE install tree may have moved. > Regenerating Python.pyo and .pyc files that hardcode the install PATH > (please wait at most a few minutes)... > Please do not interrupt this. > Traceback (most recent call last): > File "/Applications/sage/local/bin/sage-location", line 71, in > > update_library_files(R) > File "/Applications/sage/local/bin/sage-location", line 39, in > update_library_files > open(LIB + F,'w').write(H) > IOError: [Errno 13] Permission denied: '/Applications/sage/local/lib/ > libfplll.la' Since you installed via sudo you do not own the Sage files. If you start sage once under sudo this will likely fix those issues. > sage: > > Typing "notebook()" gives me a list of previous notebooks; when I open > one, type a new line and ask to evaluate nothing happens. > > The error message at startup never occurred before. > What am I doing wrong? > > Regards, > arnold Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Suggestions for the notebook
On 9/22/08, Maike <[EMAIL PROTECTED]> wrote: > > Hmmm, I get "NameError: name 'auto' is not defined". I'm using version > 3.1.1, should that support %auto? Use #auto, not %auto > > Thanks! Maike > > On Sep 22, 12:06 pm, "Mike Hansen" <[EMAIL PROTECTED]> wrote: >> Hi Maike, >> >> On Mon, Sep 22, 2008 at 3:04 AM, Maike <[EMAIL PROTECTED]> >> wrote: >> >> > (2) Thanks that sounds good. I'm not sure how to use #auto though, >> > where do I put this option? >> >> You put %auto as the first line of the cell that you want to >> auto-evaluate. >> >> --Mike > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: sage -wiki not starting
On Sep 22, 6:59 am, Adam Webb <[EMAIL PROTECTED]> wrote: > Hi, Hi Adam, > I would guess this might be related to ticket #1870. If I try to run > sage -wiki or wiki() I get an error. > > $ sage > -- > | SAGE Version 3.1.2, Release Date: 2008-09-16 | > | Type notebook() for the GUI, and license() for information. | > -- > > sage: wiki() > ** > * * > * Open your web browser tohttp://localhost:9000* > * * > ** It works for me: sage: wiki() ** ** * Open your web browser to http://localhost:9000 * ** ** 2008-09-22 09:30:32-0700 [-] Log opened. 2008-09-22 09:30:32-0700 [-] twistd 8.1.0 (//scratch/mabshoff/release- cycle/sage-3.1.3.alpha1/local/bin/python 2.5.2) starting up 2008-09-22 09:30:32-0700 [-] reactor class: 2008-09-22 09:30:32-0700 [-] MoinMoin.server.twistedmoin.MoinSite starting on 9000 2008-09-22 09:30:32-0700 [-] Starting factory 2008-09-22 09:30:32-0700 [-] set uid/gid 1090/1090 > Removing stale pidfile /home/adamwebb/tmp/sage_wiki/twistd.pid > 2008-09-22 14:03:18+0200 [-] Log opened. > 2008-09-22 14:03:18+0200 [-] twistd 8.1.0 (/home/adamwebb/local/sage/ > local/bin/python 2.5.2) starting up > 2008-09-22 14:03:18+0200 [-] reactor class: 'twisted.internet.selectreactor.SelectReactor'> > 2008-09-22 14:03:18+0200 [-] MoinMoin.server.twistedmoin.MoinSite > starting on 9000 > 2008-09-22 14:03:18+0200 [-] Starting factory > > 2008-09-22 14:03:18+0200 [-] Traceback (most recent call last): > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > bin/twistd", line 21, in > 2008-09-22 14:03:18+0200 [-] run() > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/scripts/twistd.py", line 27, in > run > 2008-09-22 14:03:18+0200 [-] app.run(runApp, ServerOptions) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/application/app.py", line 614, in > run > 2008-09-22 14:03:18+0200 [-] runApp(config) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/scripts/twistd.py", line 23, in > runApp > 2008-09-22 14:03:18+0200 [-] _SomeApplicationRunner(config).run() > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/application/app.py", line 337, in > run > 2008-09-22 14:03:18+0200 [-] self.postApplication() > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line > 207, in postApplication > 2008-09-22 14:03:18+0200 [-] > self.startApplication(self.application) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line > 309, in startApplication > 2008-09-22 14:03:18+0200 [-] > self.shedPrivileges(self.config['euid'], uid, gid) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/scripts/_twistd_unix.py", line > 281, in shedPrivileges > 2008-09-22 14:03:18+0200 [-] switchUID(uid, gid, euid) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/python/util.py", line 664, in > switchUID > 2008-09-22 14:03:18+0200 [-] initgroups(uid, gid) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/python/util.py", line 641, in > initgroups > 2008-09-22 14:03:18+0200 [-] _setgroups_until_success(l) > 2008-09-22 14:03:18+0200 [-] File "/home/adamwebb/local/sage/local/ > lib/python2.5/site-packages/twisted/python/util.py", line 587, in > _setgroups_until_success > 2008-09-22 14:03:18+0200 [-] setgroups(l) > 2008-09-22 14:03:18+0200 [-] OSError: [Errno 1] Operation not > permitted ^^^ This is some sort of permission error. Are you running SELinux or something like that? > True > sage: > > This is on 32-bit Scientific Linux 5.1. I used the wiki with 3.1 so > this is recent. > > cheers, > Adam Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: sage -wiki not starting
> > It works for me: > > sage: wiki() > ** > * * > * Open your web browser tohttp://localhost:9000* > * * > ** > 2008-09-22 09:30:32-0700 [-] Log opened. > 2008-09-22 09:30:32-0700 [-] twistd 8.1.0 (//scratch/mabshoff/release- > cycle/sage-3.1.3.alpha1/local/bin/python 2.5.2) starting up > 2008-09-22 09:30:32-0700 [-] reactor class: 'twisted.internet.selectreactor.SelectReactor'> > 2008-09-22 09:30:32-0700 [-] MoinMoin.server.twistedmoin.MoinSite > starting on 9000 > 2008-09-22 09:30:32-0700 [-] Starting factory > > 2008-09-22 09:30:32-0700 [-] set uid/gid 1090/1090 > > > > > ^^^ This is some sort of permission error. Are you running SELinux or > something like that? > I don't so but I was upgraded from SDL 5 to 5.1 and something may have changed. I am not the administrator so it is possible that something like selinux has been added or policy changed without telling me. I would guess that you are probably right and I will ask the administrator. Cheers, Adam --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Adding text/formatting to worksheets in the notebook
I want to produce a worksheet tutorial for SAGE usage on our campus and was wondering how I could add static text around the notebook cells like is done in the live tutorial . Do I just edit as plain text and add formatting there? D. Monarres <[EMAIL PROTECTED]> --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] problem with server 2
Is server 2 currently down? I have troubles in running sage there this morning. my username there is pong --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Adding text/formatting to worksheets in the notebook
On Mon, Sep 22, 2008 at 11:05 AM, D. Monarres <[EMAIL PROTECTED]> wrote: > > I want to produce a worksheet tutorial for SAGE usage on our campus > and was wondering how I could add static text around the notebook > cells like is done in the live tutorial . Do I just edit as plain text > and add formatting there? Yes, that's what you do right now. Use html markup as for a normal web page. You can also use $$'s for math markup. William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problem with server 2
On Mon, Sep 22, 2008 at 11:36 AM, pong <[EMAIL PROTECTED]> wrote: > > Is server 2 currently down? I have troubles in running sage there this > morning. Thanks for letting me know. The server directory is suddenly out of disk space, so the server can't work. So I've deleted a bunch of files, so now the server works again. I did some poking around, and it looks like when the doc browser is run it isn't cleaning up after itself, which is wasting some disk space. Anyway, there is now 10GB free. William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problem with server 2
William, Thanks for the reply. And I understand that could happen. Well, it looks like the content of one of my worksheets is gone. In my case, that's really no big deal. But I hope other people who have more substantial worksheets in that server won't encounter the same problem. On Sep 22, 11:51 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Mon, Sep 22, 2008 at 11:36 AM, pong <[EMAIL PROTECTED]> wrote: > > > Is server 2 currently down? I have troubles in running sage there this > > morning. > > Thanks for letting me know. The server directory is suddenly out of disk > space, so the server can't work. So I've deleted a bunch of files, so now > the server works again. > > I did some poking around, and it looks like when the doc browser is run it > isn't > cleaning up after itself, which is wasting some disk space. > > Anyway, there is now 10GB free. > > William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problem with server 2
On Mon, Sep 22, 2008 at 12:01 PM, pong <[EMAIL PROTECTED]> wrote: > > William, > >Thanks for the reply. And I understand that could happen. Well, it > looks like the content of one of my worksheets is gone. In my case, > that's really no big deal. But I hope other people who have more > substantial worksheets in that server won't encounter the same > problem. Weird. There should be no data loss at all, except for data that was never written in the first place. William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problem with server 2
I had the content earlier this morning. But couldn't run sage on it. I might accidentally click the "discard and quit" button. But if I'm not mistaken, usually the old content will still be there. I think (and hope) this is an isolated case. On Sep 22, 12:02 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Mon, Sep 22, 2008 at 12:01 PM, pong <[EMAIL PROTECTED]> wrote: > > > William, > > > Thanks for the reply. And I understand that could happen. Well, it > > looks like the content of one of my worksheets is gone. In my case, > > that's really no big deal. But I hope other people who have more > > substantial worksheets in that server won't encounter the same > > problem. > > Weird. There should be no data loss at all, except for data that was never > written in the first place. > > William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Seg fault with determinant calculation
On Sep 15, 10:26 am, Martin Albrecht <[EMAIL PROTECTED]> wrote: > On Monday 15 September 2008, phil wrote: > > > I've been pushing the limits of determinant calculation over > > multivariate polynomial rings. I can calculate determinants of > > matrices up to 9x9 of the form [[x_0_0, x_0_1],[x_1_0, x_1_1]] (each > > element is a single unique variable). When I get to 10x10 is runs for > > a while the crashes with: > > Unhandled SIGSEGV: A segmentation fault occured in SAGE. > > This probably occured because a *compiled* component > > of SAGE has a bug in it (typically accessing invalid memory) > > or is not properly wrapped with _sig_on, _sig_off. > > You might want to run SAGE under gdb with 'sage -gdb' to debug this. > > SAGE will now terminate (sorry). > > I'll try to reproduce the crash and see what I can do about it. You could help > by running sage -gdb (if you have gdb installed) and send me the backtrace > off list. Thanks. > The original machine I was using was needed for other things. So, I ran it on sage 3.1.2rc4 on sage.math.washington.edu and it completed successfully after 169446 seconds. So, the problem was specific to the setup I was using or it was fixed in 3.1.2rc4. The scaling of the problem seems worse than it should be though. The 9x9 problem takes 40 seconds while the 10x0 problem takes 4236 times longer. That's worse than O(n!) let along O(n^3). If your curious, the test problem is at http://sage.math.washington.edu/home/fongpwf/sage_work/determinant_10_poly.sage Phil --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Seg fault with determinant calculation
On Sep 22, 4:23 pm, phil <[EMAIL PROTECTED]> wrote: > On Sep 15, 10:26 am, Martin Albrecht <[EMAIL PROTECTED]> > wrote: > > I'll try to reproduce the crash and see what I can do about it. You could > > help > > by running sage -gdb (if you have gdb installed) and send me the backtrace > > off list. Thanks. > > The original machine I was using was needed for other things. So, I > ran it on sage 3.1.2rc4 on sage.math.washington.edu and it completed > successfully after 169446 seconds. So, the problem was specific to > the setup I was using or it was fixed in 3.1.2rc4. > The scaling of the problem seems worse than it should be though. > The 9x9 problem takes 40 seconds while the 10x0 problem takes 4236 > times longer. That's worse than O(n!) let along O(n^3). > If your curious, the test problem is > athttp://sage.math.washington.edu/home/fongpwf/sage_work/determinant_10... It would be worth it to check foe either memory leaks or something else fishy going on here via valgrind. Let me poke around to see if I can find anything either in Sage or in libSingular. > Phil Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] long arithmetic
Using Sage I solved a long list of equations and put the solutions (s) in a list; e.g.: sage: for j in range(52,54,1): q = slst[j] j=q[0]; k=(q[1]); s=(q[2]) (q,j,k,s) : ([52, 30, 2081203288L], 52, 30, 2081203288L) ([53, 53, 17903198518682712L], 53, 53, 17903198518682712L) Now I want to plug j and s into the list of y equations so that I can do further calculations involving i. But Sage appears to be getting hung on the s being long: sage: for j in range(52,54,1): q = slst[j] j=q[0]; k=(q[1]); s=(q[2]) y = 2*(2**k)*i + s (j,k,s,y) : ... ... TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring' and '' When I take the s out of the equation for y it's OK: sage: for j in range(52,54,1): q = slst[j] j=q[0]; k=(q[1]); s=(q[2]) y = 2*(2**k)*i (j,k,s,y) : (52, 30, 2081203288L, 2147483648*i) (53, 53, 17903198518682712L, 18014398509481984*i) FWIW: sage: type(j), type(k), type(s), type(y), type(i) (, , , , ) None of the tricks I tried have convinced Sage and y that s is OK. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Sage editor
I run Sage on my Mac rather than on the web. I often bring up the previous command and edit it then rerun it. The editor is very tedious in that the only way I have figured out how to move the cursor around in the text is one character at a time using the left and right arrow keys and the back-space-delete key. Given a several-line for-loop to edit this can be frustrating. Am I missing something obvious to everyone else? Is this a feature of the Mac rather than Sage? A less-than-satisfactory work-around is to copy/paste to a programmer's editor, do the change, then copy/paste back to Sage. Which leads me to another and related question. Are the editing capabilities of Sage when used with cells (as described in some of the Sage ref's) on a web server significantly better? If so would I be well advised to install web server software on my Mac and use Sage that way? (I don't have 24x7 fast web access...) Is that installation process complicated? Bob Wonderly PS So far you support people have done just fine answering this old programmer but Sage newbie's questions. Thanks. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
Bob Wonderly wrote:
> Using Sage I solved a long list of equations and put the solutions (s)
> in a list; e.g.:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> (q,j,k,s)
> .:
> ([52, 30, 2081203288L], 52, 30, 2081203288L)
> ([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
>
> Now I want to plug j and s into the list of y equations so that I can do
> further calculations involving i. But Sage appears to be getting hung on
> the s being long:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> y = 2*(2**k)*i + s
> (j,k,s,y)
> .:
>
>
> TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring' and
> ''
>
> When I take the s out of the equation for y it's OK:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> y = 2*(2**k)*i
> (j,k,s,y)
> .:
> (52, 30, 2081203288L, 2147483648*i)
> (53, 53, 17903198518682712L, 18014398509481984*i)
>
> FWIW:
>
> sage: type(j), type(k), type(s), type(y), type(i)
>
>
> (,
> ,
> ,
> ,
> )
>
> None of the tricks I tried have convinced Sage and y that s is OK.
Can you try converting s to an element that Sage knows by saying:
y = 2*(2**k)*i + Integer(s)
That said, I reproduced your error with just:
sage: var("b")+long(2)
---
TypeError Traceback (most recent call last)
/home/grout/sage/devel/sage-main/sage/plot/ in ()
/home/grout/sage/devel/sage-main/sage/plot/element.pyx in
sage.structure.element.ModuleElement.__add__
(sage/structure/element.c:5748)()
/home/grout/sage/devel/sage-main/sage/plot/coerce.pyx in
sage.structure.coerce.CoercionModel_cache_maps.bin_op
(sage/structure/coerce.c:6364)()
TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring' and
''
Jason
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[sage-support] Re: Sage editor
On Mon, Sep 22, 2008 at 6:00 PM, Bob Wonderly <[EMAIL PROTECTED]> wrote: > > I run Sage on my Mac rather than on the web. I often bring up the > previous command and edit it then rerun it. The editor is very tedious > in that the only way I have figured out how to move the cursor around in > the text is one character at a time using the left and right arrow keys > and the back-space-delete key. Given a several-line for-loop to edit > this can be frustrating. Are you using the command line? I can't tell. I.e., do you see sage: and type in commands? > Am I missing something obvious to everyone else? Is this a feature of > the Mac rather than Sage? > > A less-than-satisfactory work-around is to copy/paste to a programmer's > editor, do the change, then copy/paste back to Sage. > > Which leads me to another and related question. Are the editing > capabilities of Sage when used with cells (as described in some of the > Sage ref's) on a web server significantly better? If so would I be well > advised to install web server software on my Mac and use Sage that way? > (I don't have 24x7 fast web access...) This will allow you to use the notebook, which I think is significantly easier to use for me than the command line. > Is that installation process complicated? It's easy. Just type sage: notebook() and you're up in running in seconds. > PS So far you support people have done just fine answering this old > programmer but Sage newbie's questions. Thanks. Regarding your "long" question in the other thread, you might try typing SR(s) to explicitly coerce s from a long to a "symbolic ring element". William --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
On Mon, Sep 22, 2008 at 6:04 PM, Jason Grout
<[EMAIL PROTECTED]> wrote:
>
> Bob Wonderly wrote:
>> Using Sage I solved a long list of equations and put the solutions (s)
>> in a list; e.g.:
>>
>> sage: for j in range(52,54,1):
>> q = slst[j]
>> j=q[0]; k=(q[1]); s=(q[2])
>> (q,j,k,s)
>> .:
>> ([52, 30, 2081203288L], 52, 30, 2081203288L)
>> ([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
>>
>> Now I want to plug j and s into the list of y equations so that I can do
>> further calculations involving i. But Sage appears to be getting hung on
>> the s being long:
>>
>> sage: for j in range(52,54,1):
>> q = slst[j]
>> j=q[0]; k=(q[1]); s=(q[2])
>> y = 2*(2**k)*i + s
>> (j,k,s,y)
>> .:
>>
>>
>> TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring' and
>> ''
>>
>> When I take the s out of the equation for y it's OK:
>>
>> sage: for j in range(52,54,1):
>> q = slst[j]
>> j=q[0]; k=(q[1]); s=(q[2])
>> y = 2*(2**k)*i
>> (j,k,s,y)
>> .:
>> (52, 30, 2081203288L, 2147483648*i)
>> (53, 53, 17903198518682712L, 18014398509481984*i)
>>
>> FWIW:
>>
>> sage: type(j), type(k), type(s), type(y), type(i)
>>
>>
>> (,
>> ,
>> ,
>> ,
>> )
>>
>> None of the tricks I tried have convinced Sage and y that s is OK.
>
>
> Can you try converting s to an element that Sage knows by saying:
>
> y = 2*(2**k)*i + Integer(s)
>
> That said, I reproduced your error with just:
>
> sage: var("b")+long(2)
This is a bug, so I've added it to trac:
http://trac.sagemath.org/sage_trac/ticket/4171
William
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[sage-support] Re: Sage editor
Bob Wonderly wrote: > I run Sage on my Mac rather than on the web. I often bring up the > previous command and edit it then rerun it. The editor is very tedious > in that the only way I have figured out how to move the cursor around in > the text is one character at a time using the left and right arrow keys > and the back-space-delete key. Given a several-line for-loop to edit > this can be frustrating. > > Am I missing something obvious to everyone else? Is this a feature of > the Mac rather than Sage? Sage uses GNU readline to implement the shortcuts on the command line. Some documentation about the keyboard shortcuts is here: http://tiswww.case.edu/php/chet/readline/rluserman.html > > A less-than-satisfactory work-around is to copy/paste to a programmer's > editor, do the change, then copy/paste back to Sage. > > Which leads me to another and related question. Are the editing > capabilities of Sage when used with cells (as described in some of the > Sage ref's) on a web server significantly better? If so would I be well > advised to install web server software on my Mac and use Sage that way? > (I don't have 24x7 fast web access...) > > Is that installation process complicated? > You don't need to install a webserver. Sage comes with one. You can try it out by just typing sage: notebook() which will start the web server that sage comes with and open up your browser to the right page. Sage also comes with a wiki and other web software besides the notebook. > Bob Wonderly > > PS So far you support people have done just fine answering this old > programmer but Sage newbie's questions. Thanks. Welcome to the community! Thanks, Jason --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
On Sep 22, 2008, at 6:09 PM, William Stein wrote:
>
> On Mon, Sep 22, 2008 at 6:04 PM, Jason Grout
> <[EMAIL PROTECTED]> wrote:
>>
>> Bob Wonderly wrote:
>>> Using Sage I solved a long list of equations and put the
>>> solutions (s)
>>> in a list; e.g.:
>>>
>>> sage: for j in range(52,54,1):
>>> q = slst[j]
>>> j=q[0]; k=(q[1]); s=(q[2])
>>> (q,j,k,s)
>>> .:
>>> ([52, 30, 2081203288L], 52, 30, 2081203288L)
>>> ([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
>>>
>>> Now I want to plug j and s into the list of y equations so that I
>>> can do
>>> further calculations involving i. But Sage appears to be getting
>>> hung on
>>> the s being long:
>>>
>>> sage: for j in range(52,54,1):
>>> q = slst[j]
>>> j=q[0]; k=(q[1]); s=(q[2])
>>> y = 2*(2**k)*i + s
>>> (j,k,s,y)
>>> .:
>>>
>>>
>>> TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring'
>>> and
>>> ''
>>>
>>> When I take the s out of the equation for y it's OK:
>>>
>>> sage: for j in range(52,54,1):
>>> q = slst[j]
>>> j=q[0]; k=(q[1]); s=(q[2])
>>> y = 2*(2**k)*i
>>> (j,k,s,y)
>>> .:
>>> (52, 30, 2081203288L, 2147483648*i)
>>> (53, 53, 17903198518682712L, 18014398509481984*i)
>>>
>>> FWIW:
>>>
>>> sage: type(j), type(k), type(s), type(y), type(i)
>>>
>>>
>>> (,
>>> ,
>>> ,
>>> ,
>>> )
>>>
>>> None of the tricks I tried have convinced Sage and y that s is OK.
>>
>>
>> Can you try converting s to an element that Sage knows by saying:
>>
>> y = 2*(2**k)*i + Integer(s)
>>
>> That said, I reproduced your error with just:
>>
>> sage: var("b")+long(2)
>
> This is a bug, so I've added it to trac:
>
> http://trac.sagemath.org/sage_trac/ticket/4171
... just after I added the ticket here: http://trac.sagemath.org/
sage_trac/ticket/4170
- Robert
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[sage-support] Re: Sage editor
On 23/09/2008, at 11:00 AM, Bob Wonderly wrote: > > I run Sage on my Mac rather than on the web. I often bring up the > previous command and edit it then rerun it. The editor is very tedious > in that the only way I have figured out how to move the cursor > around in > the text is one character at a time using the left and right arrow > keys > and the back-space-delete key. Given a several-line for-loop to edit > this can be frustrating. Mmmm... at the command line, ctrl-a and ctrl-e take you to the start and end of the line. In many OS X applications, ctrl-option-b jumps back by a word (roughly standard readline behaviour) but as far as I can tell, nothing like this works in sage's command line (which is a shame.) D --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Sage editor
William Stein wrote: > Regarding your "long" question in the other thread, you might > try typing > > SR(s) > > to explicitly coerce s from a long to a "symbolic ring element". > That doesn't work, which might be a bug: sage: SR(long(2)) --- TypeError Traceback (most recent call last) /home/grout/sage/devel/sage-main/sage/plot/ in () /home/grout/downloads/sage-3.1.2/local/lib/python2.5/site-packages/sage/calculus/calculus.py in __call__(self, x) /home/grout/downloads/sage-3.1.2/local/lib/python2.5/site-packages/sage/calculus/calculus.py in _coerce_impl(self, x) TypeError: cannot coerce type '' into a SymbolicExpression. Thanks, Jason --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
On Mon, Sep 22, 2008 at 6:12 PM, Robert Bradshaw
<[EMAIL PROTECTED]> wrote:
>
> On Sep 22, 2008, at 6:09 PM, William Stein wrote:
>
>>
>> On Mon, Sep 22, 2008 at 6:04 PM, Jason Grout
>> <[EMAIL PROTECTED]> wrote:
>>>
>>> Bob Wonderly wrote:
Using Sage I solved a long list of equations and put the
solutions (s)
in a list; e.g.:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
(q,j,k,s)
.:
([52, 30, 2081203288L], 52, 30, 2081203288L)
([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
Now I want to plug j and s into the list of y equations so that I
can do
further calculations involving i. But Sage appears to be getting
hung on
the s being long:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
y = 2*(2**k)*i + s
(j,k,s,y)
.:
TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring'
and
''
When I take the s out of the equation for y it's OK:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
y = 2*(2**k)*i
(j,k,s,y)
.:
(52, 30, 2081203288L, 2147483648*i)
(53, 53, 17903198518682712L, 18014398509481984*i)
FWIW:
sage: type(j), type(k), type(s), type(y), type(i)
(,
,
,
,
)
None of the tricks I tried have convinced Sage and y that s is OK.
>>>
>>>
>>> Can you try converting s to an element that Sage knows by saying:
>>>
>>> y = 2*(2**k)*i + Integer(s)
>>>
>>> That said, I reproduced your error with just:
>>>
>>> sage: var("b")+long(2)
>>
>> This is a bug, so I've added it to trac:
>>
>> http://trac.sagemath.org/sage_trac/ticket/4171
>
> ... just after I added the ticket here: http://trac.sagemath.org/
> sage_trac/ticket/4170
>
What's the rule about whose is a dupe then? I posted on sage-support
first, but you hit "new ticket" first.I'll let you have the ticket; please
mark mine a dupe.
William
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[sage-support] Re: long arithmetic
On Sep 22, 6:17 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Mon, Sep 22, 2008 at 6:12 PM, Robert Bradshaw > >> This is a bug, so I've added it to trac: > > >>http://trac.sagemath.org/sage_trac/ticket/4171 > > > ... just after I added the ticket here:http://trac.sagemath.org/ > > sage_trac/ticket/4170 > > What's the rule about whose is a dupe then? I posted on sage-support > first, but you hit "new ticket" first. I'll let you have the ticket; please > mark mine a dupe. > > William Well, my personal rule is this: * ticket with a patch closes other tickets as dupe * no patches: earlier ticket stays open *unless* the later ticket has a much better description In this case Robert's ticket with patch (that I am currently doctesting and likely to merge in 10 minutes) wins :) Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Sage editor
David Philp wrote: > > On 23/09/2008, at 11:00 AM, Bob Wonderly wrote: > >> I run Sage on my Mac rather than on the web. I often bring up the >> previous command and edit it then rerun it. The editor is very tedious >> in that the only way I have figured out how to move the cursor >> around in >> the text is one character at a time using the left and right arrow >> keys >> and the back-space-delete key. Given a several-line for-loop to edit >> this can be frustrating. > > Mmmm... at the command line, ctrl-a and ctrl-e take you to the start > and end of the line. In many OS X applications, ctrl-option-b jumps > back by a word (roughly standard readline behaviour) but as far as I > can tell, nothing like this works in sage's command line (which is a > shame.) What is the "meta" key in OS X? For me, pressing escape (my meta key) and then b takes me back a word. Does option-b take you back? Jason --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
Robert Bradshaw wrote:
> On Sep 22, 2008, at 6:09 PM, William Stein wrote:
>
>> On Mon, Sep 22, 2008 at 6:04 PM, Jason Grout
>> <[EMAIL PROTECTED]> wrote:
>>> Bob Wonderly wrote:
Using Sage I solved a long list of equations and put the
solutions (s)
in a list; e.g.:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
(q,j,k,s)
.:
([52, 30, 2081203288L], 52, 30, 2081203288L)
([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
Now I want to plug j and s into the list of y equations so that I
can do
further calculations involving i. But Sage appears to be getting
hung on
the s being long:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
y = 2*(2**k)*i + s
(j,k,s,y)
.:
TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring'
and
''
When I take the s out of the equation for y it's OK:
sage: for j in range(52,54,1):
q = slst[j]
j=q[0]; k=(q[1]); s=(q[2])
y = 2*(2**k)*i
(j,k,s,y)
.:
(52, 30, 2081203288L, 2147483648*i)
(53, 53, 17903198518682712L, 18014398509481984*i)
FWIW:
sage: type(j), type(k), type(s), type(y), type(i)
(,
,
,
,
)
None of the tricks I tried have convinced Sage and y that s is OK.
>>>
>>> Can you try converting s to an element that Sage knows by saying:
>>>
>>> y = 2*(2**k)*i + Integer(s)
>>>
>>> That said, I reproduced your error with just:
>>>
>>> sage: var("b")+long(2)
>> This is a bug, so I've added it to trac:
>>
>> http://trac.sagemath.org/sage_trac/ticket/4171
>
> just after I added the ticket here: http://trac.sagemath.org/
> sage_trac/ticket/4170
Gee, Bob, we're falling all over ourselves trying to rush to help you!
Welcome again to the community.
Jason
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[sage-support] Re: long arithmetic
On Sep 22, 2008, at 6:17 PM, William Stein wrote:
> On Mon, Sep 22, 2008 at 6:12 PM, Robert Bradshaw
> <[EMAIL PROTECTED]> wrote:
>>
>> On Sep 22, 2008, at 6:09 PM, William Stein wrote:
>>
>>>
>>> On Mon, Sep 22, 2008 at 6:04 PM, Jason Grout
>>> <[EMAIL PROTECTED]> wrote:
Bob Wonderly wrote:
> Using Sage I solved a long list of equations and put the
> solutions (s)
> in a list; e.g.:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> (q,j,k,s)
> .:
> ([52, 30, 2081203288L], 52, 30, 2081203288L)
> ([53, 53, 17903198518682712L], 53, 53, 17903198518682712L)
>
> Now I want to plug j and s into the list of y equations so that I
> can do
> further calculations involving i. But Sage appears to be getting
> hung on
> the s being long:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> y = 2*(2**k)*i + s
> (j,k,s,y)
> .:
>
>
> TypeError: unsupported operand parent(s) for '+': 'Symbolic Ring'
> and
> ''
>
> When I take the s out of the equation for y it's OK:
>
> sage: for j in range(52,54,1):
> q = slst[j]
> j=q[0]; k=(q[1]); s=(q[2])
> y = 2*(2**k)*i
> (j,k,s,y)
> .:
> (52, 30, 2081203288L, 2147483648*i)
> (53, 53, 17903198518682712L, 18014398509481984*i)
>
> FWIW:
>
> sage: type(j), type(k), type(s), type(y), type(i)
>
>
> (,
> ,
> ,
> ,
> )
>
> None of the tricks I tried have convinced Sage and y that s is OK.
Can you try converting s to an element that Sage knows by saying:
y = 2*(2**k)*i + Integer(s)
That said, I reproduced your error with just:
sage: var("b")+long(2)
>>>
>>> This is a bug, so I've added it to trac:
>>>
>>> http://trac.sagemath.org/sage_trac/ticket/4171
>>
>> ... just after I added the ticket here: http://trac.sagemath.org/
>> sage_trac/ticket/4170
>>
>
> What's the rule about whose is a dupe then? I posted on sage-support
> first, but you hit "new ticket" first.I'll let you have the
> ticket; please
> mark mine a dupe.
Yeah, I paused long enough to write a patch. I guess this is a good
kind of problem to have :).
- Robert
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[sage-support] Re: Sage editor
On 23/09/2008, at 11:19 AM, Jason Grout wrote: > > David Philp wrote: >> >> On 23/09/2008, at 11:00 AM, Bob Wonderly wrote: >> >>> I run Sage on my Mac rather than on the web. I often bring up the >>> previous command and edit it then rerun it. The editor is very >>> tedious >>> in that the only way I have figured out how to move the cursor >>> around in >>> the text is one character at a time using the left and right arrow >>> keys >>> and the back-space-delete key. Given a several-line for-loop to edit >>> this can be frustrating. >> >> Mmmm... at the command line, ctrl-a and ctrl-e take you to the start >> and end of the line. In many OS X applications, ctrl-option-b jumps >> back by a word (roughly standard readline behaviour) but as far >> as I >> can tell, nothing like this works in sage's command line (which is a >> shame.) > > What is the "meta" key in OS X? For me, pressing escape (my meta key) > and then b takes me back a word. Does option-b take you back? Interesting. This looks like a bug at some level. Option-b inserts the "integral" character (∫), i.e. great S (I think that's what it's meant to be). That's standard OS X behaviour, gets you all sorts of fun characters and accents (π, ß, ∑, µ, ö) Ctrl-option-b takes me back a character, as does ctrl-b. I'm guessing that GNU readline uses "ctrl-option" as "meta" on OS X, and that it is not correctly configured in Sage's readline. D == David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Health Building 62, cnr Mills Rd & Eggleston Rd The Australian National University Canberra ACT 0200 Australia T: +61 2 6125 8260 F: +61 2 6125 0740 M: 0423 535 397 W: http://nceph.anu.edu.au/ CRICOS Provider #00120C --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Sage editor
David Philp wrote: > > On 23/09/2008, at 11:19 AM, Jason Grout wrote: > >> David Philp wrote: >>> On 23/09/2008, at 11:00 AM, Bob Wonderly wrote: >>> I run Sage on my Mac rather than on the web. I often bring up the previous command and edit it then rerun it. The editor is very tedious in that the only way I have figured out how to move the cursor around in the text is one character at a time using the left and right arrow keys and the back-space-delete key. Given a several-line for-loop to edit this can be frustrating. >>> Mmmm... at the command line, ctrl-a and ctrl-e take you to the start >>> and end of the line. In many OS X applications, ctrl-option-b jumps >>> back by a word (roughly standard readline behaviour) but as far >>> as I >>> can tell, nothing like this works in sage's command line (which is a >>> shame.) >> What is the "meta" key in OS X? For me, pressing escape (my meta key) >> and then b takes me back a word. Does option-b take you back? > > Interesting. This looks like a bug at some level. Option-b inserts > the "integral" character (∫), i.e. great S (I think that's what it's > meant to be). That's standard OS X behaviour, gets you all sorts of > fun characters and accents (π, ß, ∑, µ, ö) > > Ctrl-option-b takes me back a character, as does ctrl-b. I'm guessing > that GNU readline uses "ctrl-option" as "meta" on OS X, and that it is > not correctly configured in Sage's readline. Or maybe it's ignoring the option and just giving you ctrl-b. I'd experiment to find the meta key if you'd just ship me a mac :). I'd even try to figure out how to configure the meta key to be whatever you wanted. Jason --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: long arithmetic
William Stein wrote: > > What's the rule about whose is a dupe then? I posted on sage-support > first, but you hit "new ticket" first.I'll let you have the ticket; please > mark mine a dupe. Hehe...I believe it's the "Code talks" rule. Robert has a patch up already :). Jason --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Sage editor
On Sep 22, 2008, at 18:19 , Jason Grout wrote:
>
> David Philp wrote:
>>
>> On 23/09/2008, at 11:00 AM, Bob Wonderly wrote:
>>
>>> I run Sage on my Mac rather than on the web. I often bring up the
>>> previous command and edit it then rerun it. The editor is very
>>> tedious
>>> in that the only way I have figured out how to move the cursor
>>> around in
>>> the text is one character at a time using the left and right arrow
>>> keys
>>> and the back-space-delete key. Given a several-line for-loop to edit
>>> this can be frustrating.
>>
>> Mmmm... at the command line, ctrl-a and ctrl-e take you to the start
>> and end of the line. In many OS X applications, ctrl-option-b jumps
>> back by a word (roughly standard readline behaviour) but as far
>> as I
>> can tell, nothing like this works in sage's command line (which is a
>> shame.)
>
>
> What is the "meta" key in OS X? For me, pressing escape (my meta key)
> and then b takes me back a word. Does option-b take you back?
"Get Info" on a window will get you to the 'inspector'; click the
settings tab, and double-click the window style you are using. The
Keyboard tab in the resulting panel has a "option as meta" check-box.
Justin ("Intuitive, right?")
--
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Director
Institute for the Enhancement of the Director's income
---
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it doesn't work out that way.
- Casey Stengel
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[sage-support] Re: Sage editor
Oops. Forgot one thing... On Sep 22, 2008, at 20:18 , Justin C. Walker wrote: > On Sep 22, 2008, at 18:19 , Jason Grout wrote: [snip] >> What is the "meta" key in OS X? For me, pressing escape (my meta >> key) >> and then b takes me back a word. Does option-b take you back? > > "Get Info" on a window will get you to the 'inspector'; click the > settings tab, and double-click the window style you are using. The > Keyboard tab in the resulting panel has a "option as meta" check-box. I should add that this is the approach on 10.5. For earlier releases, check for settings or Get Info in the menus, and that should lead you to a similar choice for "option as meta". I don't recall when this capability was added, but I think it predates the earliest Mac OS X release we support. Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorption of Federal Funds If you're not confused, You're not paying attention --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Mercurial problems in 3.1.2
On Sep 21, 2008, at 23:35 , mabshoff wrote:
> On Sep 21, 11:27 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote:
> This is the same crap issue you hit when building 3.1.2.rc-something,
> i.e. emacs is linked against Apple's libnpng while launching it from
> hg causes it to pick up "out" linpng. Results in *boom*. You can work
> around this by writing an emacs script in SAGE_LOCAL/bin that sets
> DYLD_LIBRARY_PATH to the old DYLD_LIBRARY_PATH and then launches
> emacs.
Well, that worked. I actually used SAGE_ORIG_{LD,DYLD}_LIBRARY_PATH
to get it to work in all the cases I tried (and had to check the
$XXX_SET variables as well). Thanks for the work-around.
> Is someone can find out where Apple has its modifications to libpng
> this issue can be resolved.
I'll guess that it's a difference between versions (1.2.22 vs.
1.2.24), but I can't find old source on the libpng site, and it
doesn't show up on the Darwin site (which I infer means that they did
not change anything). I'll poke further, but if anyone has a better
idea, speak up!
Justin
--
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[sage-support] Re: Mercurial problems in 3.1.2
On Sep 22, 8:41 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote:
> On Sep 21, 2008, at 23:35 , mabshoff wrote:
Hi Justin,
> > On Sep 21, 11:27 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote:
> > This is the same crap issue you hit when building 3.1.2.rc-something,
> > i.e. emacs is linked against Apple's libnpng while launching it from
> > hg causes it to pick up "out" linpng. Results in *boom*. You can work
> > around this by writing an emacs script in SAGE_LOCAL/bin that sets
> > DYLD_LIBRARY_PATH to the old DYLD_LIBRARY_PATH and then launches
> > emacs.
>
> Well, that worked. I actually used SAGE_ORIG_{LD,DYLD}_LIBRARY_PATH
> to get it to work in all the cases I tried (and had to check the
> $XXX_SET variables as well). Thanks for the work-around.
No problem, good that it works for you.
> > Is someone can find out where Apple has its modifications to libpng
> > this issue can be resolved.
>
> I'll guess that it's a difference between versions (1.2.22 vs.
> 1.2.24), but I can't find old source on the libpng site, and it
> doesn't show up on the Darwin site (which I infer means that they did
> not change anything). I'll poke further, but if anyone has a better
> idea, speak up!
I am playing with libpng-1.2.32 since that is the latest release and
also has a boatload of security updates since the lowly 1.2.22 that we
ship. Hopefully this will resolve the symbol missing issues. I am
testing 3.1.3.alpha0 on OSX 10.5 to see if I can hit any of those
problems.
> Justin
Cheers,
Michael
> --
> Justin C. Walker, Curmudgeon at Large
> Institute for the Absorption of Federal Funds
> ---
> My wife 'n kids 'n dogs are gone,
> I can't get Jesus on the phone,
> But Ol' Milwaukee's Best is my best friend.
> ---
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[sage-support] Re: Mercurial problems in 3.1.2
On Sep 22, 2008, at 21:33 , mabshoff wrote: > On Sep 22, 8:41 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: >> On Sep 21, 2008, at 23:35 , mabshoff wrote: [snip] >> >> I'll guess that it's a difference between versions (1.2.22 vs. >> 1.2.24), but I can't find old source on the libpng site, and it >> doesn't show up on the Darwin site (which I infer means that they did >> not change anything). I'll poke further, but if anyone has a better >> idea, speak up! > > I am playing with libpng-1.2.32 since that is the latest release and > also has a boatload of security updates since the lowly 1.2.22 that we > ship. Hopefully this will resolve the symbol missing issues. I am > testing 3.1.3.alpha0 on OSX 10.5 to see if I can hit any of those > problems. Is 1.2.32 in alpha0? As well as the md5 and numpy fixes (for parallel building)? Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Absorption of Federal Funds Men are from Earth. Women are from Earth. Deal with it. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Mercurial problems in 3.1.2
On Sep 22, 10:16 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: > On Sep 22, 2008, at 21:33 , mabshoff wrote: [snip] Hi Justin, > > I am playing with libpng-1.2.32 since that is the latest release and > > also has a boatload of security updates since the lowly 1.2.22 that we > > ship. Hopefully this will resolve the symbol missing issues. I am > > testing 3.1.3.alpha0 on OSX 10.5 to see if I can hit any of those > > problems. > > Is 1.2.32 in alpha0? As well as the md5 and numpy fixes (for parallel > building)? Nope, none of those fixes is in alpha0, but I hope that at least some of them will make it into alpha1, due out late tomorrow. I still don't see how parallel make impacts numpy, so if you could send me the portion of the blown up numpy build with parallel make I could attempt to figure out what is wrong. > Justin Cheers, Michael > -- > Justin C. Walker, Curmudgeon-At-Large > Institute for the Absorption of Federal Funds > > Men are from Earth. > Women are from Earth. > Deal with it. > --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: problems with install path
Hi, Thanks a lot, that solves it. arnold On Sep 22, 6:27 pm, mabshoff <[EMAIL PROTECTED] dortmund.de> wrote: > On Sep 22, 5:38 am, arnold <[EMAIL PROTECTED]> wrote: > > > L.S. > > Hi, > > > > > When updating to Sage 3.1.2 I run into the following problem: > > > Am using a Mac G4 dual core, OSX 10.4.11. > > Used a previous version of Sage without apparent problems. Updating to > > 3.1.2 however was not without hickups: copying Sage with the finder > > resulted in error messages that duplicate names were not allowed. > > Removing all visible traces of Sage from /Applications and then > > installing with Terminal (sudo cp -R -P "/Volumes/sage-3.1.2-osx10.4- > > ppc-PowerMacintosh-Darwin/" . inside the Applications folder) appeared > > to work fine. Starting Sage however resulted in the following: > > > /Users/arnold>cd "/Applications/sage" ; "/Applications/sage/sage" > > -- > > | SAGE Version 3.1.2, Release Date: 2008-09-19 | > > | Type notebook() for the GUI, and license() for information. | > > -- > > The SAGE install tree may have moved. > > Regenerating Python.pyo and .pyc files that hardcode the install PATH > > (please wait at most a few minutes)... > > Please do not interrupt this. > > Traceback (most recent call last): > > File "/Applications/sage/local/bin/sage-location", line 71, in > > > > update_library_files(R) > > File "/Applications/sage/local/bin/sage-location", line 39, in > > update_library_files > > open(LIB + F,'w').write(H) > > IOError: [Errno 13] Permission denied: '/Applications/sage/local/lib/ > > libfplll.la' > > Since you installed via sudo you do not own the Sage files. If you > start sage once under sudo this will likely fix those issues. > > > sage: > > > Typing "notebook()" gives me a list of previous notebooks; when I open > > one, type a new line and ask to evaluate nothing happens. > > > The error message at startup never occurred before. > > What am I doing wrong? > > > Regards, > > arnold > > Cheers, > > Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: sage -wiki not starting
> > ^^^ This is some sort of permission error. Are you running SELinux or > > something like that? > Just to confirm. SELinux was added to the computer. I am now 'negotiating' with IT. :-) cheers, Adam --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] working with rings
If I do: sage: MS = MatrixSpace(IntegerModRing(9), 5,5) sage: G = MS([[5, 0, 0, 0, 4],[4, 5, 0, 0, 0],[0, 4, 5, 0, 0],[0, 0,4, 5, 0], [0, 0, 0, 4, 5]]) sage: G.base_ring() Ring of integers modulo 9 is there a way to get the base ring as an integer?, i.e. I want to know the base ring to work with it in a cython program,let's say I want to do arithmetic with the base ring integer. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] a problem starting the notebook
I start sage and I type notebook and firefox is open to the following address: http://localhost:8000/?startup_token=1af26f2b14cac678ab97c121c9cca7c5 which is not found, so I have to cut it just to http://localhost:8000, is there a way to solve this problem? --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: working with rings
Hello, On Mon, Sep 22, 2008 at 11:34 PM, cesarnda <[EMAIL PROTECTED]> wrote: > > If I do: > > sage: MS = MatrixSpace(IntegerModRing(9), 5,5) > sage: G = MS([[5, 0, 0, 0, 4],[4, 5, 0, 0, 0],[0, 4, 5, 0, 0],[0, 0,4, > 5, 0], [0, 0, 0, 4, 5]]) > sage: G.base_ring() > Ring of integers modulo 9 > > is there a way to get the base ring as an integer? Do you mean you want the matrix as a matrix over the integers rather than over the integers mod 9? If so, then you can do the following: sage: H = G.change_ring(ZZ); H [5 0 0 0 4] [4 5 0 0 0] [0 4 5 0 0] [0 0 4 5 0] [0 0 0 4 5] sage: H.base_ring() Integer Ring --Mike --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Mercurial problems in 3.1.2
On Sep 22, 2008, at 22:24 , mabshoff wrote: > Nope, none of those fixes is in alpha0, but I hope that at least some > of them will make it into alpha1, due out late tomorrow. I still don't > see how parallel make impacts numpy, so if you could send me the > portion of the blown up numpy build with parallel make I could attempt > to figure out what is wrong. See sage.math.washington.edu:~justin/logs/sage-numpy.log (the whole shebang; maybe something early on triggered it :-}). Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income When LuteFisk is outlawed, Only outlaws will have LuteFisk --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: sage -wiki not starting
On Sep 22, 11:32 pm, Adam Webb <[EMAIL PROTECTED]> wrote: > > > ^^^ This is some sort of permission error. Are you running SELinux or > > > something like that? Hi Adam, > Just to confirm. SELinux was added to the computer. I am now > 'negotiating' with IT. :-) good luck negotiating :). You can relabel all the files so that Sage and SELinux can play well together, but adding new pages to the wiki might prove difficult since those new files need to inherit the right ACLs. > cheers, > Adam Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: working with rings
On Sep 22, 2008, at 11:37 PM, Mike Hansen wrote: > > Hello, > On Mon, Sep 22, 2008 at 11:34 PM, cesarnda <[EMAIL PROTECTED]> wrote: >> >> If I do: >> >> sage: MS = MatrixSpace(IntegerModRing(9), 5,5) >> sage: G = MS([[5, 0, 0, 0, 4],[4, 5, 0, 0, 0],[0, 4, 5, 0, 0],[0, >> 0,4, >> 5, 0], [0, 0, 0, 4, 5]]) >> sage: G.base_ring() >> Ring of integers modulo 9 >> >> is there a way to get the base ring as an integer? > > Do you mean you want the matrix as a matrix over the integers rather > than over the integers mod 9? If so, then you can do the following: > > sage: H = G.change_ring(ZZ); H > > [5 0 0 0 4] > [4 5 0 0 0] > [0 4 5 0 0] > [0 0 4 5 0] > [0 0 0 4 5] > sage: H.base_ring() > Integer Ring Or, if you meant the modulus of the ring, you can get that with sage: G.base_ring().order() 9 - Robert --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Mercurial problems in 3.1.2
On Sep 22, 11:39 pm, "Justin C. Walker" <[EMAIL PROTECTED]> wrote: > On Sep 22, 2008, at 22:24 , mabshoff wrote: > > > Nope, none of those fixes is in alpha0, but I hope that at least some > > of them will make it into alpha1, due out late tomorrow. I still don't > > see how parallel make impacts numpy, so if you could send me the > > portion of the blown up numpy build with parallel make I could attempt > > to figure out what is wrong. > > See > sage.math.washington.edu:~justin/logs/sage-numpy.log > (the whole shebang; maybe something early on triggered it :-}). Thanks. Numpy is complaining about a missing math module, but I think that is more likely caused by the libpng.dylib disaster than anything else. I just checked the python.spkg and we are running "make install" with parallel make, which I would guess is not a good idea :) The ticket for that issue is #4174 and there should be an spkg shortly. > Justin > Cheers, Michael > -- > Justin C. Walker, Curmudgeon-At-Large > Institute for the Enhancement of the Director's Income > > When LuteFisk is outlawed, > Only outlaws will have LuteFisk > --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
