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

2010-08-17 Thread Carl Witty
On Mon, Aug 16, 2010 at 1:22 PM, Jay wrote: > Hi! > > Yes, bpython is quite wonderful :). > > If I try to `easy_install bpython` from within a sage subshell I get > > ... (Full traceback if you'd like) > ImportError: /opt/sage/local/lib/python2.6/lib-dynload/operator.so: > undefined symbol: _PyUni

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

2010-08-17 Thread kcrisman
On Aug 17, 2:18 pm, Tim Joseph Dumol wrote: > New packages are up at #7344 and #7345 > (http://trac.sagemath.org/sage_trac/ticket/7344andhttp://trac.sagemath.org/sage_trac/ticket/7345) > for review that should > hopefully work for all platforms. Question - are these under review as optional or

Re: [sage-devel] Re: sympow

2010-08-17 Thread William Stein
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 used by many people. The fact there are no bug

Re: [sage-devel] Re: sympow

2010-08-17 Thread Dr. David Kirkby
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 used by many people. The fact there are no bug reports of it not working on the public servers shows how little it is used. (If so

Re: [sage-devel] Re: stackoverflow for Sage

2010-08-17 Thread Jarrod Millman
Hello, I just posted a short comment on William's blog, but thought I should send it to the list for those who may have all ready viewed his blog post: "The official "overflow" site for SciPy is http://ask.scipy.org/en/, which is built on top of Solace (http://opensource.plurk.com/solace/). Robe

Re: [sage-devel] Re: sympow

2010-08-17 Thread Dr. David Kirkby
On 08/17/10 03:31 AM, Bill Hart wrote: I have no sympathy for anyone who wants to include that code in Sage. I have very little myself. I know John Cremona has made the point SYMPOW is much faster than anything he has written at computing the modular degree of an elliptic curve, but I'd pers

Re: [sage-devel] Re: stackoverflow for Sage

2010-08-17 Thread William Stein
On Tue, Feb 23, 2010 at 12:35 PM, Harald Schilly wrote: > On Feb 23, 4:36 pm, Jason Grout wrote: >> Has anyone thought of setting up a stack overflow-type site for Sage >> support questions? > > . mathoverflow is good, but i think nearly nobody from here is over > there? I wrote a blog post abou

[sage-devel] Sage Day 25.5 - First Announcement - Pr emière Annonce

2010-08-17 Thread Sébastien Labbé
PLEASE ADVERTISE WHERE APPROPRIATE Sage Day 25.5 First Announcement (en français plus bas) LaCIM, UQAM, Montréal, Canada, September 1st, 2010 OVERVIEW Held in sandwich betwe

Re: [sage-devel] Re: sympow

2010-08-17 Thread Peter Jeremy
On 2010-Aug-16 14:32:14 -0700, Bill Hart wrote: >I'm also really wondering why cephes is in Sage. Unless there are two >packages with the same name, it was last updated circa 1994 and uses >non-portable long doubles. We've booted packages from Sage for much >less felonious offences. cephes is use

Re: [sage-devel] A query about short-cut for clear screen in linux terminal

2010-08-17 Thread Mike Hansen
On Tue, Aug 17, 2010 at 12:12 PM, Hector troy wrote: > Hello people, > I am newbie to the SAGE. I am using sage in Linux terminal (Ubuntu 10.04). > Is there any command to clear scree while SAGE is running? Like ( Ctrl+L ) > works in normal terminal. You should be able to add the following line t

Re: [sage-devel] A query about short-cut for clear screen in linux terminal

2010-08-17 Thread Minh Nguyen
Hi, On Wed, Aug 18, 2010 at 5:12 AM, Hector troy wrote: > Hello people, > I am newbie to the SAGE. I am using sage in Linux terminal (Ubuntu 10.04). > Is there any command to clear scree while SAGE is running? Try this sage: !clear That would use the system command "clear". -- Regards Minh V

[sage-devel] A query about short-cut for clear screen in linux terminal

2010-08-17 Thread Hector troy
Hello people, I am newbie to the SAGE. I am using sage in Linux terminal (Ubuntu 10.04). Is there any command to clear scree while SAGE is running? Like ( Ctrl+L ) works in normal terminal. Regards -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this gr

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

2010-08-17 Thread Tim Joseph Dumol
New packages are up at #7344 and #7345 (http://trac.sagemath.org/sage_trac/ticket/7344 and http://trac.sagemath.org/sage_trac/ticket/7345) for review that should hopefully work for all platforms. On Tue, Aug 3, 2010 at 2:31 AM, Tim Joseph Dumol wrote: > Hi, > > SAGE_BINARY_BUILD was introduced as

[sage-devel] Re: Problem with matrix rank?

2010-08-17 Thread Dima Pasechnik
I posted this example and a comment on this to #7392, just in case. On Aug 17, 5:40 pm, Jason Grout wrote: > On 8/17/10 6:20 AM, vgermrk wrote: > > > > > > > I discussed the following issue with �...@irc: > > > sage: rank(matrix(2,[1.5,1.75,-1.5,-1.75])) > > 2 > > > gives a wrong answer. > > > Mu

[sage-devel] Re: Problem with matrix rank?

2010-08-17 Thread Jason Grout
On 8/17/10 9:40 AM, Jason Grout wrote: On 8/17/10 6:20 AM, vgermrk wrote: I discussed the following issue with @IRC: sage: rank(matrix(2,[1.5,1.75,-1.5,-1.75])) 2 gives a wrong answer. Multiplying with a full rank matrix also gives unexpected results: sage: rank( matrix(2,2,[1,0,0,1]) * m

[sage-devel] Re: Problem with matrix rank?

2010-08-17 Thread Jason Grout
On 8/17/10 6:20 AM, vgermrk wrote: I discussed the following issue with @IRC: sage: rank(matrix(2,[1.5,1.75,-1.5,-1.75])) 2 gives a wrong answer. Multiplying with a full rank matrix also gives unexpected results: sage: rank( matrix(2,2,[1,0,0,1]) * matrix(2,[1.5,1.75,-1.5,-1.75]) ) 2 sag

[sage-devel] Re: Problem with matrix rank?

2010-08-17 Thread Dima Pasechnik
The bug is apparently in $SAGE_ROOT/devel/sage/sage/matrix2.pyx, in _echelon_in_place_classical indeed: sage: m=matrix(2,[1.5,1.75,-1.5,-1.75]) sage: set_verbose(10) sage: m.rank() verbose 1 () generic in-place Gauss elimination on 2 x 2 matrix verbose 1 () done with gauss echelon form (time = 0.0

[sage-devel] Problem with matrix rank?

2010-08-17 Thread vgermrk
I discussed the following issue with @IRC: sage: rank(matrix(2,[1.5,1.75,-1.5,-1.75])) 2 gives a wrong answer. Multiplying with a full rank matrix also gives unexpected results: sage: rank( matrix(2,2,[1,0,0,1]) * matrix(2,[1.5,1.75,-1.5,-1.75]) ) 2 sage: rank( matrix(2,2,[1,0,1,1]) * mat

Re: [sage-devel] Re: Sage 4.5.2 on Virtualbox

2010-08-17 Thread David Joyner
I'm not sure but I just did some googling and found "google apps" after a bit of hunting. Do you think that might help? On Tue, Aug 17, 2010 at 7:17 AM, ancienthart wrote: > I don't have access to file servers that I directly control/can upload > to, but I would like to get it out there. Could

[sage-devel] Re: Sage 4.5.2 on Virtualbox

2010-08-17 Thread ancienthart
I don't have access to file servers that I directly control/can upload to, but I would like to get it out there. Could you recommend a site I could upload it to? The file is 2.5 Gb. Joal Heagney On Aug 15, 3:57 am, David Joyner wrote: > On Fri, Aug 13, 2010 at 11:16 PM, ancienthart wrote: > > .

Re: [sage-devel] Re: sympow

2010-08-17 Thread John Cremona
At last, a contributiuon to this thread which actually addresses my original question! >> In contrast, it seems sympow is not used by many people. The fact there are >> no bug reports of it not working on the public servers shows how little it >> is used. (If someone actually tried to run many of

Re: [sage-devel] Implementation of NumberFieldIdeal.gens_reduced()

2010-08-17 Thread Jeroen Demeyer
On 2010-08-15 21:14, Jeroen Demeyer wrote: > On 2010-08-15 18:59, John Cremona wrote: >> My guess is that in the prime case it's easy to find the smallest >> integer, and desirable that the 2 generators always have the form p, >> alpha in that order with p the underlying prime. But it may well be