[sage-devel] ask.sagemath.org

2010-08-18 Thread William Stein
Hi, This is a quick status report on http://ask.sagemath.org. There are already 22 users. There have been 13 questions asked, with a bunch of comments on almost all of them, and *every* question got at least one answer. So we need more questions! -- William -- William Stein Professor of M

Re: [sage-devel] Re: sympow

2010-08-18 Thread Dr. David Kirkby
On 08/19/10 01:13 AM, William Stein wrote: On Wed, Aug 18, 2010 at 4:18 AM, David Kirkby wrote: This is what should happen. After somebody implements his algor in Sage, then we can (re)move Sympow. Here's a trac ticket: http://trac.sagemath.org/sage_trac/ticket/9758 It would be good

[sage-devel] Re: Possible bug in simplify_radical() concerning complex numbers.

2010-08-18 Thread kcrisman
On Aug 18, 7:02 pm, Markus Dangl wrote: > Hi, > > i've looked through this group and sage-support and could not find > anything related. I'm using sage 4.5.2 on 64 bit Linux (Ubuntu) - if > this is even relevant. > > The simplify_radical() method for symbolic expression seems to assume > that sq

[sage-devel] Re: Possible bug in simplify_radical() concerning complex numbers.

2010-08-18 Thread Markus Dangl
Add: I found this: http://groups.google.com/group/sage-support/browse_thread/thread/7bf451cf8202e085 Esp. of interest: > I thought we used to put maxima in complex mode, do we not do that > anymore? I guess more things got shook up in the symbolic switchover > than I thought. > Robert, we still

Re: [sage-devel] Sage on Android

2010-08-18 Thread William Stein
On Wed, Aug 18, 2010 at 5:19 PM, Dan Drake wrote: > On Wed, 18 Aug 2010 at 08:36AM -0700, Carl Witty wrote: >> Android uses a Linux kernel, but does not include many of the programs >> and libraries that you would typically see on a Linux system. >> >> A port of Sage to the Android SDK/NDK (that w

Re: [sage-devel] Sage on Android

2010-08-18 Thread Dan Drake
On Wed, 18 Aug 2010 at 08:36AM -0700, Carl Witty wrote: > Android uses a Linux kernel, but does not include many of the programs > and libraries that you would typically see on a Linux system. > > A port of Sage to the Android SDK/NDK (that would bundle the whole > thing into a .apk) would be a lot

Re: [sage-devel] Re: sympow

2010-08-18 Thread William Stein
On Wed, Aug 18, 2010 at 4:18 AM, David Kirkby wrote: > On 18 August 2010 11:33, John Cremona wrote: >> On 17 August 2010 23:31, William Stein wrote: > > It would be a student project to reimplement Mark W's algorithm (Here: > http://www.emis.ams.org/journals/EM/expmath/volumes/11/11.4/pp

Re: [sage-devel] http://ask.sagemath.org

2010-08-18 Thread Mike Witt
On 08/18/2010 03:40:26 PM, William Stein wrote: On Wed, Aug 18, 2010 at 3:33 PM, David Joyner wrote: > Thank you for doing this! You're welcome. Now ask a bunch of questions! Since I need to answer some to get some reputation points :-) William When I tried to give a "thumbs up" to your

[sage-devel] Possible bug in simplify_radical() concerning complex numbers.

2010-08-18 Thread Markus Dangl
Hi, i've looked through this group and sage-support and could not find anything related. I'm using sage 4.5.2 on 64 bit Linux (Ubuntu) - if this is even relevant. The simplify_radical() method for symbolic expression seems to assume that sqrt(z*z) == abs(z) in all cases. This is wrong for complex

Re: [sage-devel] http://ask.sagemath.org

2010-08-18 Thread William Stein
On Wed, Aug 18, 2010 at 3:33 PM, David Joyner wrote: > Thank you for doing this! You're welcome. Now ask a bunch of questions! Since I need to answer some to get some reputation points :-) William > > > On Wed, Aug 18, 2010 at 6:28 PM, William Stein wrote: >> Hi, >> >> I've created http://as

Re: [sage-devel] http://ask.sagemath.org

2010-08-18 Thread David Joyner
Thank you for doing this! On Wed, Aug 18, 2010 at 6:28 PM, William Stein wrote: > Hi, > > I've created http://ask.sagemath.org   (I added this to DNS an hour > ago, so depending on where you are, you may have to wait a while), and > will be constantly trying to convince people to use this. > >  

[sage-devel] http://ask.sagemath.org

2010-08-18 Thread William Stein
Hi, I've created http://ask.sagemath.org (I added this to DNS an hour ago, so depending on where you are, you may have to wait a while), and will be constantly trying to convince people to use this. http://ask.sagemath.org You can easily login instantly using your OpenID, which e.g.,

Re: [sage-devel] Re: Sage on Android

2010-08-18 Thread William Stein
On Wed, Aug 18, 2010 at 1:49 PM, Harald Schilly wrote: > On Aug 18, 10:01 pm, Jason B Hill wrote: >> Does >> anyone know of a "programmers" style Android keyboard app? > > No, but my main idea about building an app to connect to a sage server > and send it strings for evaluation is a nice menu th

[sage-devel] Re: Sage on Android

2010-08-18 Thread Harald Schilly
On Aug 18, 10:01 pm, Jason B Hill wrote: > Does > anyone know of a "programmers" style Android keyboard app? No, but my main idea about building an app to connect to a sage server and send it strings for evaluation is a nice menu that does most of the typing for you. Starting with some very commo

Re: [sage-devel] Re: Sage on Android

2010-08-18 Thread Jason B Hill
I may have quasi-technically compiled Sage through Android, but in the sense that I used a terminal ssh app to connect to a server and then use screen/wget/tar/make on the server. In any case, I do find the Sage notebook server to be relatively adequate through the Android browser. My main issue wi

[sage-devel] Re: Sage on Android

2010-08-18 Thread mmarco
Some time ago i tried to compile sage on a nokia n900 (it is arm architecture, like most android devices), over a debian-arm chroot inside the native maemo OS. the compilation process went on for several hours, but it crashed eventually. IIRC, the problem i found was with the atlas library, which a

[sage-devel] Re: sage+bpython

2010-08-18 Thread Jay
Success! Reinstalled the package and was able to easy_install bpython after doing $ chown -R /opt/sage $ sage -sh $ easy_install bpython $ /opt/sage/local/bin/bpython >>> from sage.all import * Don't know why it's still finding /usr/bin/bpython before the one within sage even though $PATH has /

[sage-devel] Re: Sage on Android

2010-08-18 Thread Harald Schilly
On 18 Aug., 15:47, tuxiano wrote: > I've tried to search in the archive but couldn't find if Sage is > available or will ever available on Android operating system. As a side note, there is this android scripting environment, where you can run pure python programs. There, you can give sympy+mpmat

Re: [sage-devel] Sage on Android

2010-08-18 Thread Carl Witty
On Wed, Aug 18, 2010 at 6:47 AM, tuxiano wrote: > Hi everybody > > I've tried to search in the archive but couldn't find if Sage is > available or will ever available on Android operating system. As far > as I know, Android is Linux-based so I was wondering if porting Sage > to Android is feasible

Re: [sage-devel] Re: ImportError: The _imaging C module is not installed

2010-08-18 Thread Tim Joseph Dumol
It seems to be a problem with dynamic linking in Mac OS X 10.6. I personally don' t know, since I don't own a Mac. On Wed, Aug 18, 2010 at 10:29 PM, kcrisman wrote: > > > On Aug 18, 9:46 am, Tim Joseph Dumol wrote: >> They are under review as optional packages. In order to become > > Okay, as su

[sage-devel] Re: Sage on Android

2010-08-18 Thread Harald Schilly
On 18 Aug., 15:47, tuxiano wrote: > I've tried to search in the archive but couldn't find if Sage is > available or will ever available on Android operating system. When I have some spare time I'll try to build a app that will send codelines to a server and show the result. For now, I just have s

[sage-devel] Re: Sage on Android

2010-08-18 Thread Simon King
Hi Tiziano, On 18 Aug., 15:47, tuxiano wrote: > I've tried to search in the archive but couldn't find if Sage is > available or will ever available on Android operating system. Searching sage-devel for the key word "android" gave me a couple of threads. Anyway. What do you mean by "available"?

[sage-devel] Re: ImportError: The _imaging C module is not installed

2010-08-18 Thread kcrisman
On Aug 18, 9:46 am, Tim Joseph Dumol wrote: > They are under review as optional packages. In order to become Okay, as suspected - it just doesn't say this on the tickets. > > suppose ideally one would include a patch that gave a hint to install > > these as optional packages if one encountered

[sage-devel] Sage on Android

2010-08-18 Thread tuxiano
Hi everybody I've tried to search in the archive but couldn't find if Sage is available or will ever available on Android operating system. As far as I know, Android is Linux-based so I was wondering if porting Sage to Android is feasible. Thanks and regards Tiziano from Italy -- To post to th

Re: [sage-devel] Re: ImportError: The _imaging C module is not installed

2010-08-18 Thread Tim Joseph Dumol
They are under review as optional packages. In order to become standard packages, they must be voted in here at sage-devel, and must have 2 maintainers (iirc[1]). [1] http://groups.google.com/group/sage-devel/msg/6ea0a0e0a0a2a71a On Wed, Aug 18, 2010 at 8:09 AM, kcrisman wrote: > > > On Aug 17,

Re: [sage-devel] Re: sage+bpython

2010-08-18 Thread François Bissey
> Here's the full traceback for easy_install bpython too, just in case: > > SAGE_ROOT=/opt/sage\n(sage subshell) \h:\W \u$ sudo !! > sudo easy_install bpython > Password: > Traceback (most recent call last): > File "/opt/sage/local/bin/easy_install", line 8, in > load_entry_point('setuptool

[sage-devel] Re: sage+bpython

2010-08-18 Thread Jay
Here's the full traceback for easy_install bpython too, just in case: SAGE_ROOT=/opt/sage\n(sage subshell) \h:\W \u$ sudo !! sudo easy_install bpython Password: Traceback (most recent call last): File "/opt/sage/local/bin/easy_install", line 8, in load_entry_point('setuptools==0.6c9', 'cons

[sage-devel] Re: sage+bpython

2010-08-18 Thread Jay
> Do you have any extra environment variables set?  (Did you change your > PATH or PYTHONPATH while you were in the Sage subshell?)  In your sage > subshell, what do you get if you type: > which python > which easy_install > ? Dropping straight into a subshell and entering those I get: $ which bp

Re: [sage-devel] Re: sympow

2010-08-18 Thread David Kirkby
On 18 August 2010 11:33, John Cremona wrote: > On 17 August 2010 23:31, William Stein wrote: It would be a student project to reimplement Mark W's algorithm (Here: http://www.emis.ams.org/journals/EM/expmath/volumes/11/11.4/pp487_502.pdf) >> >> This is what should happen.  After some

Re: [sage-devel] Re: sympow

2010-08-18 Thread John Cremona
On 17 August 2010 23:31, William Stein wrote: > On Tue, Aug 17, 2010 at 3:11 PM, Dr. David Kirkby > wrote: >> On 08/17/10 09:26 AM, John Cremona wrote: >>> >>> At last, a contributiuon to this thread which actually addresses my >>> original question! >>> > In contrast, it seems sympow is not

Re: [sage-devel] Re: sage+bpython

2010-08-18 Thread François Bissey
> he's on an experimental Gentoo > distribution of Sage, that most probably uses the system Python rather > than the Sage's Python. > So this means that the system Python needs to be rebuilt, probably > Hi, I am one of the two sage-on-gentoo dev. I actually tried it on s-o-g without trouble. I ha

[sage-devel] Re: sage+bpython

2010-08-18 Thread Dima Pasechnik
he's on an experimental Gentoo distribution of Sage, that most probably uses the system Python rather than the Sage's Python. So this means that the system Python needs to be rebuilt, probably On Aug 18, 2:33 am, Carl Witty wrote: > On Mon, Aug 16, 2010 at 1:22 PM, Jay wrote: > > Hi! > > > Yes,

[sage-devel] Re: Atlas fails to compile on AMD Athlon(tm) II P320 Dual-Core Processor

2010-08-18 Thread Dima Pasechnik
You get a segfault in one of tuning routines: in zMMCACHEEDGE.LOG one sees /usr/local/src/sage-4.5.2/spkg/build/atlas-3.8.3.p12/ATLAS-build/bin/ ATLrun.sh /usr/local/src/sage-4.5.2/spkg/build/atlas-3.8.3.p12/ATLAS- build/tune/blas/gemm xzdfindCE -f res/atlas_zdNKB.h Segmentation fault make[6]: ***

[sage-devel] Atlas fails to compile on AMD Athlon(tm) II P320 Dual-Core Processor

2010-08-18 Thread Jan Groenewald
Hi I have compiled sage-4.5.2 succesfully on many desktops and laptops, mostly 64bit, all Ubuntu lucid 10.04. One laptop keeps failing, with a similar install. ATLAS fails to build. make[5]: Leaving directory `/usr/local/src/sage-4.5.2/spkg/build/atlas-3.8.3.p12/ATLAS-build/tune/blas/gemm' make