[sage-devel] Re: interfacing library of functions

2008-06-25 Thread David Joyner
If I understand your question correctly, you might find the interface examples in sage/interfaces http://www.sagemath.org/hg/sage-main/file/c25e04ebfb67/sage/interfaces/ helpful. On Wed, Jun 25, 2008 at 2:26 PM, anbdoulwahaab <[EMAIL PROTECTED]> wrote: > > Hello, > > Need some help to write an

[sage-devel] Re: interfacing library of functions

2008-06-25 Thread David Joyner
ope that helps. > > 2008/6/25 abu anbdoulhaaq anbdoulwahaab <[EMAIL PROTECTED]>: >> >> I would like to know how to write my own interface for programs I have. >> >> >> >> 2008/6/25 David Joyner <[EMAIL PROTECTED]>: >>> >>> If

[sage-devel] Re: presentation about Maxima at Sage developer days

2008-07-01 Thread David Roe
and contribute to the work depends on who else is excited about getting giac into Sage. But you should feel free to go ahead and go through the steps of making giac an optional spkg even if nobody currently involved in Sage development is enthusiastic enough to help out. If it's important

[sage-devel] Re: Computing large Bernoulli numbers

2008-07-02 Thread David Harvey
11.1 h bernmm (10 cores) = 1.3 h k = 10^8: bernmm (10 cores) = 131h = 5.5 days david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit thi

[sage-devel] Re: Make on sage 3.0.3 failed on flint-1.06.p3

2008-07-05 Thread David Harvey
ssfully" > > You need to install a gcc version > 3.4.0. But it also says in the log gcc version 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux) So the version detection logic must be incorrect. david --~--~-~--~~~---~--~~ T

[sage-devel] Re: Sage 3.0.4.alpha2 released

2008-07-07 Thread David Joyner
nder: jsmath has been updated, so make sure to test the notebook > > New people: > * Igor Tolkov - work on @interact > * Andrew Dalke - import time script > * Bin Zhang - ATLAS G4 build fix > > Needs to be in/resolved: > > * timeit code > > Testing: > >

[sage-devel] Re: Sage 3.0.4.rc0 released

2008-07-08 Thread David Joyner
Builds fine and all tests passed on amd64 hardy heron, phenom chip. On Mon, Jul 7, 2008 at 10:16 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > Hello folks, > > Sage 3.0.4.rc0 is out. We merged only bug fixes and hope that this > will be identical to the final release. This time we have a source >

[sage-devel] constructions document

2008-07-08 Thread David Joyner
co-written with Robert Miller) ready for the coding theory portion. Should a trac ticket be created? If so, for each chapter? - David --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email

[sage-devel] Re: how to run Sage in a system wide Python

2008-07-09 Thread David Joyner
On Wed, Jul 9, 2008 at 4:32 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: >> >> On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >>> On Wed, Jul 9, 2008 at 2:29 AM, François Bissey <[EMAIL PROTECTED]

[sage-devel] Re: constructions document

2008-07-09 Thread David Joyner
airly obvious way. There is a tarball at http://sage.math.washington.edu/home/wdj/cookbook2008-07-09.tar.gz so you can test out the latexing on you own machine first. On Tue, Jul 8, 2008 at 9:45 PM, William Stein <[EMAIL PROTECTED]> wrote: > > On Tue, Jul 8, 2008 at 12:12 PM, Dav

[sage-devel] Re: book that uses sage

2008-07-09 Thread David Joyner
This looks really excellent. A few extremely minor comments. (1) You have 2 photos of Lenstra, p133+p137. I'm not sure if that was intended. (Also, one is "Lenstra" and the other is "Hendrik Lenstra", yet the references have papers by both H Lenstra and A Lenstra.) (2) The Juno Reactor cover art o

[sage-devel] Py_UNICODE_SIZE on OS X

2008-07-09 Thread David Philp
This is a 'for the record' email describing how to use boost.python with sage on Mac OS X. Thanks to the gentlefolk who walked me through it (especially Carl Witty). I am assuming a working boost.python extension called 'my_ext.so'. "Working" means that you should be able to start up pyth

[sage-devel] Re: how to handle assumptions

2008-07-09 Thread David Philp
On 10/07/2008, at 2:14 PM, François Bissey wrote: > > On Thu, 10 Jul 2008, Robert Dodier wrote: >> William Stein wrote: >>> If you answer could you summarize what Maple/Mathematica do >>> (if you care), and if so why you think whatever you propose is >>> better than them. >> >> Not sure if I am

[sage-devel] Re: how to handle assumptions

2008-07-09 Thread David Philp
>> Integrate[x^a, {x, 1, Infinity}] returns an answer that incorporates >> assumptions: >> If[Re[a] < -1, -(1/(1 + a)), Integrate[x^a, {x, 1, ∞}, Assumptions >> -> >> Re[a] >= -1]] >> >> If you want me to unpack that or have a more instructive example, >> just >> ask. >> > Forgot about that

[sage-devel] Re: Py_UNICODE_SIZE on OS X

2008-07-09 Thread David Philp
On 10/07/2008, at 2:04 PM, mabshoff wrote: >> It should be fine. We used UCS2 until maybe 8 months ago. We >> switched >> as mentioned above only for Linux compatibility. >> >>> You will need to do this for each successive >>> version of sage, which could be tedious. >> >> I would be ok with

[sage-devel] R / Aqua / CoreFoundation / Mac OS X

2008-07-10 Thread David Philp
e fault lies there. === FIXES === All of these work: * Renaming /sw so that the offending library can't be found. * Removing /sw/lib from LD_LIBRARY_PATH * Setting OSXFW="--enable-R-framework=no --with-aqua=no" inside R spkg- install == David J Philp

[sage-devel] Re: sagemath.org relaunch

2008-07-11 Thread David Kohel
announcing releases). I would like a faster way to get to the "Download complete source" link, without scrolling down the page to find it: http://www.sagemath.org/download.html Maybe the text for each platform could be moved to a download page. Is there any chance of adding some color

[sage-devel] Wrappers for Integer and RealNumber types

2008-07-11 Thread David Bate
= my_new_multiplication Could someone enlighten me about either problem, and a possible way to fix it. Thanks, David. --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED

[sage-devel] Re: Fwd: Minor error in Sage Reference Manual

2008-07-11 Thread David Joyner
This is strange. Can you tell me exactly where you found that? The docstring for orthogonal_polys http://www.sagemath.org/hg/sage-main/file/e2481e70f7f6/sage/functions/orthogonal_polys.py says 2nd kind and the reference manual (I think) comes from the docstrings... On Fri, Jul 11, 2008 at 2:28 P

[sage-devel] Re: Wrappers for Integer and RealNumber types

2008-07-11 Thread David Bate
OK, thank you both. I will have anther look on Monday. David. On Jul 11, 5:22 pm, Robert Bradshaw <[EMAIL PROTECTED]> wrote: > On Jul 11, 2008, at 7:19 AM, David Bate wrote: > > > > > Hello, > > I am a beginner to sage-devel, but I have done a search and nothing &

[sage-devel] Re: bug in RIng

2008-07-12 Thread David Joyner
Possibly, this is not a bug in Ring. For the class of Piecewise functions, __mul__ is implemented in a way that allows you to multiply two elements in that class. If you try to multiply a piecewise times a rational (in that order) then it detects this and creats on the fly a piecewise function equ

[sage-devel] Re: Help fixing pari shared library across all platforms

2008-07-13 Thread David Roe
I'm running OS X 10.4 and the warning about DT_TEXTREL doesn't appear in my install log. Good luck! David On Sun, Jul 13, 2008 at 3:51 AM, François Bissey <[EMAIL PROTECTED]> wrote: > > Hi all, > > Recently David Kirkby tried to compile sage on > solaris expres

[sage-devel] Re: Gap closing or widening to Mathematica?

2008-07-13 Thread David Philp
On 14/07/2008, at 8:06 AM, Dr. David Kirkby wrote: > On Jul 13, 10:42 pm, Harald Schilly <[EMAIL PROTECTED]> wrote: > >> You forget one point (for me the probably biggest one) - the >> community. Especially around matlab you have a wide range of "open >> sourc

[sage-devel] Re: R / Aqua / CoreFoundation / Mac OS X

2008-07-13 Thread David Philp
Hi... This doesn't seem to be the hottest topic of all time. More below. On 12/07/2008, at 12:16 AM, mabshoff wrote: > On Jul 10, 11:23 pm, David Philp <[EMAIL PROTECTED]> wrote: > > Hi David, > >> R does not work inside sage if LD_LIBRARY_PATH includes /sw

[sage-devel] Re: Wrappers for Integer and RealNumber types

2008-07-14 Thread David Bate
Dear Mike, I have mul and rmul in my class definition. This all works fine in python, but it fails when using sage integers/floats. If I call sage: a = MyFloat(2) sage: 3*a by adding some extra code, I see that MyFloat.__mul__(self,other) is called, and in fact the type of both self and other is

[sage-devel] Re: bug in RIng

2008-07-14 Thread David Joyner
; sage: f.__rmul__ = f.__mul__ > sage: r = f*2 > sage: r = 2*f > sage: r > Piecewise defined function with 1 parts, [[(0, 1), 2]] > > Hope this helps, > > --CGB > > > > On Jul 12, 4:17 am, "David Joyner" <[EMAIL PROTECTED]> wrote: >> Possibly,

[sage-devel] Re: bug in RIng

2008-07-15 Thread David Joyner
Done. It's 3655. On Mon, Jul 14, 2008 at 9:38 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > On Jul 14, 6:34 pm, "David Joyner" <[EMAIL PROTECTED]> wrote: >> Wow, thanks! I'll make up a patch right now. > > I am not so sure this is the pr

[sage-devel] Re: does zn_poly normally take a long time to build?

2008-07-17 Thread David Harvey
I expect on your machine, or maybe some other weird timing fluke. Could you try building again, to see if it's easily reproducible? david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this gro

[sage-devel] Re: [Sage Bug Report] Invalid polynomials generated in formal group law calculation

2008-07-17 Thread David Harvey
Hi, I don't have time to debug this now, but I want to mention that it sounds suspiciously similar to this ticket: http://sagetrac.org/sage_trac/ticket/2943 Maybe there are some clues there, but I never quite got to the bottom of it. david On Jul 17, 2008, at 8:50 AM, Hamish

[sage-devel] Re: Sage 3.0.6.alpha0 released

2008-07-17 Thread David Joyner
by Michael Abshoff] > #3650: Gary Furnish: Infinite recursion in pbuild by recursive pxd > imports [Reviewed by Michael Abshoff] > #3651: John Cremona: elliptic curves -- bug in L_ratio() [Reviewed by > Chris Wuthrich] > #3657: Carlo Hamalainen: Documentation for latin squares, D

[sage-devel] Re: does zn_poly normally take a long time to build?

2008-07-17 Thread David Harvey
y for the phantom bug report. I've been looking at the calibration code and I can see one spot where (in extremely rare circumstances) the behaviour you observed could occur. Thanks for the bug report, and let us know if it happens again! david --~--~-~--~~~-

[sage-devel] Re: [Sage Bug Report] Invalid polynomials generated in formal group law calculation

2008-07-17 Thread David Harvey
e. > now the code says a polynomial is __nonzero__ if all its > coefficients are nonzero, instead of checking if the list of > coefficients is non-empty). I have added a link back to this thread from the ticket. If you find out any more, please add comments to that ticket. david --~--~

[sage-devel] Re: Epydoc API Documentation for Sage

2008-07-17 Thread David Joyner
Wow. This is amazing and great that you did this! Thanks very much Mike. On Thu, Jul 17, 2008 at 6:06 AM, Mike Hansen <[EMAIL PROTECTED]> wrote: > > Hello all, > > I played around a bit with Epydoc this morning and was able to get it > to produce semi-decent output for Sage (by explicitly importi

[sage-devel] Re: Epydoc API Documentation for Sage

2008-07-17 Thread David Harvey
cumentation at > http://sage.math.washington.edu/home/mhansen/sage-epydoc . Hmmm looks really nice, but there's some strangeness, e.g. the documentation for next_prime() in sage.rings.arith has some weird stuff in the "proof" flag. david --~--~-~--~~

[sage-devel] Re: AMS meeting in DC

2008-07-18 Thread David Joyner
Thanks. Besides the SAGE booth, here are other SAGE-related events at the DC meeting: http://wiki.sagemath.org/ams-sage http://wiki.sagemath.org/maa-sage On Fri, Jul 18, 2008 at 6:31 PM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi, > > I just want to let people know that I definitely plan t

[sage-devel] Re: linear algebra functions

2008-07-19 Thread David Joyner
I think it's great that you are doing this. Does a patch exist yet? I'd like to try it out. On Sat, Jul 19, 2008 at 11:06 AM, Jason Grout <[EMAIL PROTECTED]> wrote: > > I've been working on writing eigenvalue/eigenvector functions, as > mentioned here: > http://groups.google.com/group/sage-devel/

[sage-devel] Re: linear algebra functions

2008-07-19 Thread David Joyner
only have kernel_left? On Sat, Jul 19, 2008 at 2:49 PM, Jason Grout <[EMAIL PROTECTED]> wrote: > > David Joyner wrote: >> I think it's great that you are doing this. Does a patch exist yet? >> I'd like to try it out. > > > I put up a preliminary patch at

[sage-devel] Re: Suggestion components to add onto SAGE

2008-07-19 Thread David Joyner
On Sat, Jul 19, 2008 at 6:10 PM, q10 <[EMAIL PROTECTED]> wrote: > > Hello: > > It has come to my attention that SAGE does not have a units-conversion > program component (maybe it has; if it does, please show me). I > recommend adding the GPLed unit conversion program called ConvertAll > (http://

[sage-devel] Re: units, was: Suggestion components to add onto SAGE

2008-07-20 Thread David Joyner
On Sun, Jul 20, 2008 at 11:14 PM, root <[EMAIL PROTECTED]> wrote: > >>I have looked around to see what Maple and Mathematica have in >>the way of units, but from what I have seen, there is nothing very >>exciting. Which is OK --- something boring which just works right >>would be very useful. > >

[sage-devel] Re: The ISSAC Sage Plenary talk

2008-07-21 Thread David Joyner
I think the coding theory aspect is worth mentioning. I thnk that for binary codes, SAGE can compute automorphism groups and minimum distances in times competitive with Magma (though I have not yet wrapped the minimum distance function yet, which is recent C code due to CJ Tjhai). The functionalit

[sage-devel] Re: Sage 3.0.6.rc0 released

2008-07-22 Thread David Joyner
Installed fine and passed sage -testall on amd64 hardy heron, phenom chip. On Mon, Jul 21, 2008 at 7:16 PM, mabshoff <[EMAIL PROTECTED]> wrote: > > Hello folks, > > this is 3.0.6.rc0 which should be the last release before the ISSAC > 2008 special 3.0.6 release for Wednesday. We fixed a bunch of

[sage-devel] Re: pari slowness

2008-07-22 Thread David Harvey
41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.42 s sage: time z = x * y CPU times: user 0.41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.41 s sage: time z = x * y CPU times: user 0.41 s, sys: 0.00 s, total: 0.41 s Wall time: 0.41 s david --~--~-~--~~~---~-

[sage-devel] Re: pari slowness

2008-07-22 Thread David Harvey
On Jul 22, 2008, at 12:35 PM, David Harvey wrote: >>> >>> Okay, I can confirm that with sage 3.0.1, sage -gp has the same >>> speed >>> as my standalone GP build. So mostly likely the change to GMP 4.2.2 >>> introduced a speed regression (prob

[sage-devel] Re: boost / python / sage question

2008-08-18 Thread David Philp
On 15/08/2008, at 12:49 PM, David Philp wrote: > > Hi > >>> I forgot to mention that this is boost 1.35.0. I assume it is a >>> difference between the boosts, because sage is unlikely to have >>> changed without you noticing. I am now compiling sage 3.0.3 a

[sage-devel] Fwd: [FSF] Submit your nominations for the 2008 Free Software Awards

2008-08-19 Thread David Joyner
I know it may be a long shot, but I would like to ask this group for its recommendations regarding the nomination of William Stein and/or Sage for the Advancement of FS and/or Award for Projects of Social Benefit, resp.. Previous winners of the Advancement of FS include Lawrence Lessig (of Creati

[sage-devel] Re: netiquette: quoting emails

2008-08-19 Thread David Philp
On 20/08/2008, at 1:41 AM, Nick Alexander wrote: > >> Hence, deleting unneeded portions helps the reader. > > Strong +1. This list is particularly bad for quoting an entire > message, 5 levels deep, only to add "I agree" at the very end. I don't feel strongly about it. But I am much more lik

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-21 Thread David Philp
c (so easy to type, so easy to parse by eye) Probably the thing that makes all that learnable and useable in Mathematica is how a multiple click shows you the structure of your expression. The virtuous solution might be to write a "Sage for Mathematica junkies" document. D =====

[sage-devel] Re: Sphinx and the Sage Documentation

2008-08-21 Thread David Philp
On 22/08/2008, at 10:35 AM, Mike Hansen wrote: > > Hello all, > > Carl Witty and I wrote a proposal for the use of the Sphinx > documentation system in Sage. It can be found at > http://wiki.sagemath.org/SphinxSEP We'd appreciate any comments / > questions / concerns that people have. The docu

[sage-devel] Re: Sphinx and the Sage Documentation

2008-08-21 Thread David Philp
On 22/08/2008, at 11:00 AM, Mike Hansen wrote: >> The documentation system I want to see is a centralised wiki. It >> works like this: >> help(var) gets you the [locally cached] copy of the documentation. > > I think these are two orthogonal problems. Do you mean something like > this http://s

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-21 Thread David Philp
On 22/08/2008, at 11:10 AM, Ondrej Certik wrote: > what are the chances that maxima could be made fast, so that people > intuitively feel it's as fast as mathematica for the problems they > solve It may already have been said, but a large part of the reason it feels slow is that AFAICT maxima

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-21 Thread David Philp
>> [EMAIL PROTECTED] (elegant, clear, no matching of brackets) > > What does that do? Sorry! I didn't want to go into detail unless people didn't already know it. Same as f[data]. Benefit is that you can chain it up really clearly. [EMAIL PROTECTED]@[EMAIL PROTECTED] is better than f[g[h[x

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-21 Thread David Philp
ematica might find very useful. Anyway, that's why > this thread is I think potentially interesting. I would be scared of getting sued into oblivion. I would have a lawyer look at the Mathematica EULA before even thinking about it. "WRI is the holder of ... including without l

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-22 Thread David Philp
On 22/08/2008, at 5:27 PM, William Stein wrote: > > On Thu, Aug 21, 2008 at 11:28 PM, David Philp > <[EMAIL PROTECTED]> wrote: > >> I hope one can't own such things but I don't want a legal fight. > > If I were afraid, then Sage would be nowher

[sage-devel] sage.app possibility

2008-08-22 Thread David Philp
come, but it was mostly hard hacks to get things working, and is utterly specific to my system. D == David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Health Building 62, cnr Mills Rd & Eggleston Rd The Australian Nation

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-22 Thread David Philp
ct that your post is exactly right. But William wanted to know what we miss from Mathematica. I'm Dave, and I'm really going to miss that w00t factor. D == David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Health Build

[sage-devel] Re: Things I miss from Maple in Sage

2008-08-22 Thread David Philp
On 23/08/2008, at 3:43 AM, Harald Schilly wrote: > For me, python is a different playground than mma and unless there > isn't a real reason i don't like to import mma syntax - or any other. I would much prefer to learn the proper python way of doing things than try to retrofit python to make

[sage-devel] Re: Comparing complex numbers

2008-08-23 Thread David Philp
On 24/08/2008, at 6:15 AM, William Stein wrote: > > On Sat, Aug 23, 2008 at 1:00 PM, Fredrik Johansson > <[EMAIL PROTECTED]> wrote: >> >> On Sat, Aug 23, 2008 at 9:57 PM, Nils Bruin <[EMAIL PROTECTED]> wrote: >>> >>> Would it break Python too much if comparison would simply throw an >>> exceptio

[sage-devel] Re: Sage mentioned in American Scientist

2008-08-24 Thread David Joyner
On Sun, Aug 24, 2008 at 4:45 PM, iSAGE <[EMAIL PROTECTED]> wrote: > > >> > I am really looking for the day when I will do "apt-get install sage", >> > which is number 1 on my wish-list. >> >> That day should be very soon, I hope. (Tim Abbott -- any updates on the >> status of this?) > >> -- Will

[sage-devel] Re: Proposal for inclusion of GINAC/pynac-0.1 in Sage.

2008-08-25 Thread David Joyner
On Mon, Aug 25, 2008 at 4:59 AM, William Stein <[EMAIL PROTECTED]> wrote: > > Hi, > > I propose that pynac be included in Sage. > > Pynac is a rewrite of Ginac to seamlessly use native Python objects instead > of CLN -- for inclusion in Sage. Pynac is a C++ library plus extensive > Cython bindi

[sage-devel] Re: missing imports for experimental module for Sage

2008-08-25 Thread David Joyner
On Mon, Aug 25, 2008 at 8:20 AM, Philippe Saade <[EMAIL PROTECTED]> wrote: > > Hi, > > i'am testing a Python module i wrote and placed it in one of the > pathes visited by Sage's Python while importing. > > I try to do the necessary imports at the beginning of my module but it > seem's to be an en

[sage-devel] Re: Proposal for inclusion of GINAC/pynac-0.1 in Sage.

2008-08-25 Thread David Joyner
On Mon, Aug 25, 2008 at 10:12 AM, parisse <[EMAIL PROTECTED]> wrote: > > I still do not understand why giac is not even mentionned in the > symbolic discussion considering the fact that like ginac, it is a C++ > library, but unlike ginac (Ginac Is Not A Cas), giac (Giac Is A Cas) > has much more a

[sage-devel] Re: Manipulating diff. eqs. in Mathematica using pattern matching

2008-08-25 Thread David Philp
thematical matching will involve the proverbial reimplementation of lisp. D p.s. this is obviously from my fairly basic "lisp is more or less mathematica" understanding of lisp. == David J Philp Postdoctoral Fellow National Centre for Epidemiology and Populat

[sage-devel] Re: Manipulating diff. eqs. in Mathematica using pattern matching

2008-08-25 Thread David Philp
uot;Any sufficiently complicated C or Fortran program contains an ad hoc, informally specified, bug-ridden, slow implementation of half of Common Lisp." D == David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Health Building 62, cn

[sage-devel] Re: missing imports for experimental module for Sage

2008-08-25 Thread David Joyner
On Mon, Aug 25, 2008 at 9:33 AM, Philippe Saade <[EMAIL PROTECTED]> wrote: > > On Mon, Aug 25, 2008 at 2:41 PM, David Joyner <[EMAIL PROTECTED]> wrote: >> >> On Mon, Aug 25, 2008 at 8:20 AM, Philippe Saade <[EMAIL PROTECTED]> wrote: >>> > nybody g

[sage-devel] Re: Manipulating diff. eqs. in Mathematica using pattern matching

2008-08-25 Thread David Philp
understand this. For both pynac and the existing maxima link, I think you must already have some method of transforming a python object to and from lisp-like expressions. I suppose it might be problematically inefficient. At any rate, I am not after implementation details at the moment, sorry for bringing that furphy

[sage-devel] Re: Manipulating diff. eqs. in Mathematica using pattern matching

2008-08-25 Thread David Philp
ny_crazy_element_you_can_think_of_in_Sage, you > can do awesome things from this point of view, which are impossible > in maxima via Sage. Cool. I will try to have a play with ginac and the combination and see if I can bend it to my Mathematica-will. D ==

[sage-devel] Re: Proposal for inclusion of GINAC/pynac-0.1 in Sage.

2008-08-26 Thread David Philp
On 26/08/2008, at 5:09 PM, Burcin Erocal wrote: > In[]:= Assuming[0 Out[]= ArcCos[Cos[x]] In[]:= Simplify[ArcCos[Cos[x]], Assumptions -> 0 < x < Pi/2] Out[] = x ====== David J Philp Postdoctoral Fellow National Centre for Epidemiology and Population Hea

[sage-devel] Sage Bug Report

2008-08-26 Thread David Ketcheson
s, and no matter how I reorder things, one of them fails in this manner. I know I can use 'var' instead of 'Symbol', but I need non-commutative symbolic multiplication, which as I understand var does not support. David --~--~-~--~~~---~--~~

[sage-devel] Re: Sage Bug Report

2008-08-27 Thread David Ketcheson
ere means the symbols are non- commutative. Adding a rational breaks this, depending on the order of addition. Seems like this is more likely a Sympy bug than a Sage bug though. David --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com

[sage-devel] Re: "page not found" for Kohel's cryptography notes

2008-08-28 Thread David Joyner
On Thu, Aug 28, 2008 at 1:39 AM, Minh Nguyen <[EMAIL PROTECTED]> wrote: > > Hi group, > > At the URL > > http://wiki.sagemath.org/Teaching_with_SAGE > > the first dot point _appears_ to give a link to David Kohel's notes on > cryptography. The link is >

[sage-devel] Re: Sage 3.1.2.alpha1 released

2008-08-28 Thread David Joyner
gt; #3653: Carl Witty: Better random complex numbers [Reviewed by Mike > Hansen] > #3654: Jason Grout: Deprecation warning function [Reviewed by Michael > Abshoff, Mike Hansen] > #3655: C. Boncelet, David Joyner: left multiplication in piecewise > does not work [Reviewed by Mike Hans

[sage-devel] Re: Student project on sage graphics

2008-08-28 Thread David Joyner
On Wed, Aug 27, 2008 at 11:49 PM, Arnaud Bergeron <[EMAIL PROTECTED]> wrote: > > There is a strong possibility that for the next semester I will be > working on the graphics area of sage. I would working more on the > visible side than the innards but that does not mean I will not touch > the inn

[sage-devel] Re: Additive Groups

2008-08-28 Thread David Joyner
2); not ready for review] rewrite abelian groups > -- showing that William did a whole lot of work on this back in > January/February (I remember, we were working in the same room at the > time) which was not completed; > > and > > #3127: [duplicate] abelian groups (are l

[sage-devel] Re: Additive Groups

2008-08-28 Thread David Joyner
On Thu, Aug 28, 2008 at 9:20 AM, John Cremona <[EMAIL PROTECTED]> wrote: > > Thanks for your comments, David. I am having some success: > > sage: A = AbelianGroup([2,3]) > sage: A.list() > [1, f1, f1^2, f0, f0*f1, f0*f1^2] > sage: A = AbelianGroup([2,3],operation=&#x

[sage-devel] Re: LiveCD 3.1.1

2008-08-28 Thread David Joyner
My students are finding this very useful. Thank you Alfredo! On Sat, Aug 23, 2008 at 12:25 AM, Alfredo Portes <[EMAIL PROTECTED]> wrote: > > Here is a LiveCD (Ubuntu based) of 3.1.1, if anybody > wants to try it. A vmware image that runs the livecd > is included. > > http://sage.math.washington.

[sage-devel] Re: Sage Bug Report

2008-08-28 Thread David Ketcheson
ntually do everything? Will Sympy functionality replace var? -David On Aug 28, 10:07 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Thu, Aug 28, 2008 at 9:54 AM, Robert Bradshaw > > > > <[EMAIL PROTECTED]> wrote: > > > On Aug 27, 2008, at 1:54 P

[sage-devel] Re: "page not found" for Kohel's cryptography notes

2008-08-28 Thread David Kohel
Hi Minh, David, et al., Feel free to link or copy these notes. My "old" address in Sydney should remain valid for at least the next 2 years, as I have an official honorary position there, but the notes may change, so a link would probably be preferable. Eventually I will to mirror m

[sage-devel] Re: Command line processing sage-python

2008-08-28 Thread David Philp
On 29/08/2008, at 7:56 AM, mabshoff wrote: > David Philip has been playing with building PyCuDA against Sage's > Python on OSX. No!!! I'd love to do it but I haven't got time for CUDA. I've been using boost.python, for the sake of /other/ C++ code of mine. I o

[sage-devel] Re: Command line processing sage-python

2008-08-28 Thread David Philp
On 29/08/2008, at 9:29 AM, Simon Beaumont wrote: > On Aug 28, 11:22 pm, David Philp <[EMAIL PROTECTED]> wrote: >> On 29/08/2008, at 7:56 AM, mabshoff wrote: >> >>> David Philip has been playing with building PyCuDA against Sage's >>> Python on OSX.

[sage-devel] Re: Abelian groups are driving me crazy

2008-08-29 Thread David Joyner
I agree AbelianGroups needs rewriting and has odd behavior in some cases. Incidently, here is what GAP does: gap> A := AbelianGroup([1,2,3]); gap> GeneratorsOfGroup(A); [ of ..., f1, f2 ] gap> A := AbelianGroup([2,1,3]); gap> GeneratorsOfGroup(A); [ f1, of ..., f2 ] This is kind of mid-way

[sage-devel] Re: Sage on french TV

2008-08-29 Thread David Joyner
On Fri, Aug 29, 2008 at 5:34 PM, Jaap Spies <[EMAIL PROTECTED]> wrote: > > Philippe Saade wrote: >> Hi dev team, >> >> Some of you know that wednesday and thursday i made an official >> presentation of Sage at the Maths' Teachers' Summer School (French >> Educational System). >> >> Notebook ended

[sage-devel] importing non-sage modules in doctests

2008-08-30 Thread David Ketcheson
ne 8: sage: from foo import * ImportError: No module named foo ** Also, the documentation says a .doctest directory is created and has a file .doctest_myfoo.py that I can inspect, but I cannot find any such thing. I'd be very grateful for any help. David

[sage-devel] Re: importing non-sage modules in doctests

2008-08-30 Thread David Ketcheson
AIL PROTECTED]> wrote: > On Aug 30, 2008, at 3:33 PM, David Ketcheson wrote: > > > > > > > I'm developing a package and trying to use sage -t to automatically > > test examples I've put in the docstrings.  On the documentation page > > athttp://www.sagema

[sage-devel] Re: importing non-sage modules in doctests

2008-08-30 Thread David Ketcheson
This works, but doesn't seem like a good solution, and is, I think, another good reason to allow the user to modify sage's startup pythonpath. -David On Aug 30, 8:32 pm, David Ketcheson <[EMAIL PROTECTED]> wrote: > Sorry for not being clear.  myfoo.py is the file with the do

[sage-devel] Re: importing non-sage modules in doctests

2008-08-30 Thread David Ketcheson
e errors. It doesn't include the contents of my SAGE_PYTHONPATH. If you know where the PYTHONPATH is set for 'sage - t', could you add a request to modify that in the trac ticket too? -David On Aug 30, 8:56 pm, mabshoff <[EMAIL PROTECTED]> wrote: > On Aug 30, 8:51 pm, David

[sage-devel] Re: Sage 3.1.2.alpha3 released

2008-08-31 Thread David Joyner
Built fine on amd64 hardy heron but the test for benchmark.py failed. Do you want me to post it? It was similar to the output John posted. On Sun, Aug 31, 2008 at 6:28 AM, mabshoff <[EMAIL PROTECTED]> wrote: > > Hello folks, > > Doc Day 3 went well and we barely missed the goal of 60% coverage w

[sage-devel] attributes in Mathematica

2008-09-01 Thread David Philp
ide that expression to inexact quantities. Attributes are not unlike the __ __ members in python. I think there might be a case for a few well-defined mathematical __ __ members appearing widely in sage---the obvious ones are related to the counterparts of mathematica's N and Hold. It mi

[sage-devel] Re: How to link to the Sage pages

2008-09-02 Thread David Joyner
The Sage banner was created by Alex Clemesha, http://alex.knoboo.com/, and is open source because this topic has come up already on sage-devel (long ago). As far as I know all Sage art is open source. AFAIK, the only graphical thing related to Sage which is *not* open source are the page designs w

[sage-devel] Re: Sage 3.1.2.alpha4 released

2008-09-02 Thread David Joyner
#4019: Robert Bradshaw: numerator and denominator for QQ[x] [Reviewed > by Alex Ghitza] > #4020: Robert Bradshaw: fraction field doctests [Reviewed by Mike > Hansen] > #4024: Martin Albrecht: upgrade M4RI to newest upstream release > (20080901) [Reviewed by Michael Abshoff] >

[sage-devel] Re: Bug in Matrix multiplication, Eigenvalue calculation?

2008-09-04 Thread David Joyner
On Thu, Sep 4, 2008 at 2:16 PM, chris75de <[EMAIL PROTECTED]> wrote: > > Hi, > > the following code > > b=matrix(3,1,[random() for i in [1..3]]) > B=b*b.transpose() > lb,Sb=B.right_eigenvectors() > print lb > print > print Sb.transpose()*B*Sb > print > print Sb.transpose()*Sb > > give's in my sage

[sage-devel] Re: proposal: spkg doc directories

2008-09-05 Thread David Joyner
This could make it harder for Timothy Abbott to create debian versions. Based on some posted to debian-science, it appears that certain debian maintainers have a negative view of the GNU FDL, which some documentation is licensed under. Pushing FDL docs into a GPL's package might make the entire th

[sage-devel] Re: proposal: spkg doc directories

2008-09-05 Thread David Joyner
On Fri, Sep 5, 2008 at 1:30 PM, William Stein <[EMAIL PROTECTED]> wrote: > > On Fri, Sep 5, 2008 at 10:27 AM, David Joyner <[EMAIL PROTECTED]> wrote: >> >> This could make it harder for Timothy Abbott to create debian versions. >> Based on some posted to deb

[sage-devel] Re: Framework based sage on OS X

2008-09-05 Thread David Philp
Hi On 06/09/2008, at 3:21 AM, Simon Beaumont wrote: > > I tried building sage 3.0.1 with David Philps patches - make failed > first with the r build looking for sage (which is in there somewhere R sometimes fails to build if fink is findable. I don't think that is related to

[sage-devel] Re: Framework based sage on OS X

2008-09-05 Thread David Philp
On 06/09/2008, at 3:27 AM, mabshoff wrote: > The Framework build of Sage Do we have a framework build of sage? We have an unsupported framework build of python, and R can be built as a framework, but turning sage itself into a framework would be a kind of huge job. I doubt it would be v

[sage-devel] Re: Sage 3.1.2.rc0 released

2008-09-08 Thread David Joyner
This is on amd64 gutsy gibbon: The following tests failed: sage -t devel/sage/sage/rings/bernoulli_mod_p.pyx sage -t devel/sage/sage/rings/arith.py sage -t devel/sage/sage/interfaces/lisp.py Total time for all tests: 4005.5 seconds Please see /home/wdj/sagefiles/sage-

[sage-devel] Re: proposal: license/ subdirectory in spkg packages

2008-09-09 Thread David Joyner
I like this idea but it provides another layer of complexity. What if someone simply forgets to add a license subdirectory? Does that make their package invalid or does sage -i foo.spkg fail? In the case of gap_packages*, a number of Gap packages are bundled, with varying licenses (mostly GPL but

[sage-devel] Re: Major bug in GF(109)['x', 'y']

2008-09-09 Thread David Harvey
On Sep 9, 2008, at 10:20 PM, mabshoff wrote: >> Could a ticket be opened? > > #4095 it is. You all know what this means. david --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this

[sage-devel] Re: Sage 3.1.2.rc1 released

2008-09-10 Thread David Joyner
> #4071: Mike Hansen: Fix issues in the lisp interface [Reviewed by > Michael Abshoff] > #4072: Mike Hansen: Fix issue in trait_names in the sage0 interface > [Reviewed by Martin Albrecht] > #4073: Martin Albrecht: disable colors in sage0 [Reviewed by Mike > Hansen] > #4074: Mi

[sage-devel] Re: Command line processing sage-python

2008-09-12 Thread David Philp
now working and tested against this build. Thanks to David for his > help and patches. Game on. > > On Sep 12, 1:28 am, Simon Beaumont <[EMAIL PROTECTED]> wrote: >> Ok - got there in the end... >> >> I did a fresh build (OS X 10.5.4 intel) with 3.1.1 sources. >> Appl

[sage-devel] Re: Is there a better way to start design discussions?

2008-09-13 Thread David Joyner
I agree with everything Jason said. It would be useful if you could find one of the lead developers who would be willing to review your code, once written, and you could ask them about how to implement ideas. Bobby Moretti used to be great for that but I don't know if he is still doing Sage stuff.

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