Re: [sage-devel] subs deprecation -- what the heck?!

Hi, isn't this comming from y(3)? Using either sol1.subs({y(x=3):4}) or y(x)= function('y')(x) makes the warning disappear. Nonetheless I also got lot of questions from students about this warning. Regards, Andrzej. On Mon, Feb 29, 2016 at 11:55 PM, William Stein

Re: [sage-devel] Re: default "contours" option for implicit_plot

Hello, Setting countours to None makes implicit_plot for x==y do something like http://picpaste.com/SqB3JiID.png - definitely wrong. When setting countours to something like in region_plot: contours=[-1e307, 0, 1e307] - it gave expected result. Also setting it to something like [-eps, +eps],

[sage-devel] Saving SVG with TeX fails in Sage 7.0

Hello, I wanted to open issue in Trac about it, but I'm getting time limit exceeded on creating issue, so I decided I send it here. Saving SVG with TeX fails in Sage 7.0 due to bug in Matplotlib 1.5.0. It is already fixed upstream in Matplotlib 1.5.1, so simple update to new stable release will

Re: [sage-devel] Re: Saving SVG with TeX fails in Sage 7.0

lker Braun <vbraun.n...@gmail.com> wrote: > Trac works for me... what exactly was the error you got? HTTP 408? > > > On Saturday, January 30, 2016 at 11:48:07 AM UTC+1, Andrzej Giniewicz wrote: >> >> Hello, >> >> I wanted to open issue in Trac about it, but I'm ge

Re: [sage-devel] default "contours" option for implicit_plot

gt; thinking of > doing something about it when opening a ticket for matplotlib 1.5.1 but > I am spread too thin at the moment. > > François > >> On 31/01/2016, at 00:14, Andrzej Giniewicz <ggi...@gmail.com> wrote: >> >> Hello, >> >> Setting countours

Re: [sage-devel] Re: A new book on Sage, for high school students in Poland

Thank you! On Tue, Nov 24, 2015 at 8:52 AM, slelievre <samuel.lelie...@gmail.com> wrote: > Fixed. > > 2015-11-17 09:45:23 UTC+1, Andrzej Giniewicz: > >> I noticed book is already there, but Author names were copy-pasted >> from position above. This should be &q

Re: [sage-devel] Re: A new book on Sage, for high school students in Poland

Hi. I noticed book is already there, but Author names were copy-pasted from position above. This should be "Andrzej Giniewicz and Katarzyna Zajączkowska" - not "Thorsten Theobald and Sadik Iliman". Also, in title instead of "ę" there is "\ce" and instead of

Re: [sage-devel] Re: A new book on Sage, for high school students in Poland

Hello, On Wed, Nov 11, 2015 at 3:16 PM, john_perry_usm wrote: > I looked at a sample chapter; I don't read much Polish at all, but some of > it still makes sense. ;-) More seriously, I liked how some of the graphs are > diagrammed (snake picture) but not too many and the

[sage-devel] A new book on Sage, for high school students in Poland

and ideas in the book that do not translate 1-1). Below are some release informations: Authors: Andrzej Giniewicz, Katarzyna Zajączkowska Title: "Zrozumieć matematykę z pakietem Sage" (translation: "Understand mathematics with the Sage package") Publisher: GiS (http://www.gis.wr

[sage-devel] Finishing high-school math book, 3 short questions about future of Notebook vs SMC

Hello, I haven't been following all developments of notebook, because I've spent quite some time (almost 2 years) co-authoring a book covering high-school level math using Sage (matching all topics covered in schools in Poland, promoting both math and computers as means to understand material

[sage-devel] R in Sage uses system cairo, conflicting freetype versions: cannot generate png, undefined symbol FT_Get_Advance

Hi, I tried to do some plotting in R after break from using R inside Sage, but I encountered error: Error in png() : X11 module cannot be loaded In addition: Warning message: In png() : unable to load shared object '/usr/local/sage/sage-5.8-opt/local/lib/R//modules//R_X11.so':

Re: [sage-devel] Re: R in Sage uses system cairo, conflicting freetype versions: cannot generate png, undefined symbol FT_Get_Advance

Well, there are no X-es on this machine, but it is ready to use png backend with or without cairo when compiled with freetype on host: capabilities() jpeg png tifftcltk X11 aqua http/ftp sockets TRUE TRUE TRUE TRUEFALSEFALSE TRUE TRUE

Re: [sage-devel] Re: R in Sage uses system cairo, conflicting freetype versions: cannot generate png, undefined symbol FT_Get_Advance

Well, to be more clear I have only xvfb + dependencies, so I should have said I have headless Xes On Fri, Apr 12, 2013 at 4:48 PM, Volker Braun vbraun.n...@gmail.com wrote: On Friday, April 12, 2013 3:35:41 PM UTC+1, Andrzej Giniewicz wrote: Well, there are no X-es on this machine

Re: [sage-devel] Re: All ok with GCC-4.8 development branch

On Fri, Jan 25, 2013 at 8:17 PM, leif not.rea...@online.de wrote: Does this include building R with '-O3'? ;-) [For me, R keeps segfaulting while byte-compiling when built with FSF GCC 4.6.y (IIRC, not that sure right now) and (definitely) 4.7.x, on x86/x86_64 at least. '-O2' in contrast

Re: [sage-devel] Re: assuming 'integer' can change results of limit from 3 to +oo? (possible bug?)

? On Fri, Nov 23, 2012 at 5:01 PM, Andrzej Giniewicz ggi...@gmail.com wrote: Thanks for confirming this. I have to learn maxima some day for such situations. Anyway, I will report this upstream as I planned. Cheers, Andrzej. -- You received this message because you are subscribed to the Google

Re: [sage-devel] Re: assuming 'integer' can change results of limit from 3 to +oo? (possible bug?)

Thanks for confirming this. I have to learn maxima some day for such situations. Anyway, I will report this upstream as I planned. Cheers, Andrzej. -- You received this message because you are subscribed to the Google Groups sage-devel group. To post to this group, send email to

[sage-devel] assuming 'integer' can change results of limit from 3 to +oo? (possible bug?)

Hi, it is obvious to me, that specifying assumptions can give us results, when one cannot compute them in general form (and there are samples in docs). But should making assumptions dramatically change them? This result worries me, is this a known thing, or my misunderstanding of what changes

[sage-devel] fresh build of 5.2 from source on PIII, illegal instruction and wrong answers from ecm (factorisation)

Hi all, I'm running one of my Sage instances on quite old machine, 2xPentium III 1GHz. It doesn't even have sse2, but until 5.2 everything worked and was quite usable when not used by more than 2 users at a time. Today I tried to update and it compiled fine, but I got following doctest failures

Re: [sage-devel] fresh build of 5.2 from source on PIII, illegal instruction and wrong answers from ecm (factorisation)

On Sat, Aug 4, 2012 at 4:01 PM, Jeroen Demeyer jdeme...@cage.ugent.be wrote: On 2012-08-04 15:59, Andrzej Giniewicz wrote: until 5.2 everything worked and was quite usable when not used by more than 2 users at a time. And which is the last version of Sage which worked for sure? Currently

Re: [sage-devel] fresh build of 5.2 from source on PIII, illegal instruction and wrong answers from ecm (factorisation)

, Andrzej. On Sat, Aug 4, 2012 at 4:11 PM, Jeroen Demeyer jdeme...@cage.ugent.be wrote: On 2012-08-04 16:07, Andrzej Giniewicz wrote: On Sat, Aug 4, 2012 at 4:01 PM, Jeroen Demeyer jdeme...@cage.ugent.be wrote: On 2012-08-04 15:59, Andrzej Giniewicz wrote: until 5.2 everything worked

Re: [sage-devel] Re: cylindrical_plot3d segfaults when used with functions returning None

The point is that Sage doesn't crash (unlike what the error seems to suggest), and at least the user gets some kind of indication that something is wrong. well, something for sure happens - other than error message itself, message in log, next evaluated cell always returns empty string for me.

[sage-devel] cylindrical_plot3d segfaults when used with functions returning None

Today one of friends I introduced to Sage noticed that cylindrical_plot3d does not check for it's argument like plot3d does. It was a result of common beginner mistake, i.e. forgetting to specify return in function. While var(x,y) def f(x,y): 1 plot3d(f,(x,-1,1),(y,-1,1)) says TypeError: a

[sage-devel] Multiline input cells issue in live documentation (IndentationError: unexpected indent in lots of cells)

Hi, Today I was looking at live documentation a bit, I noticed that there is an issue with multiline live documentation. I don't have rc of 4.7 around so I'd like to confirm that this is still an issue, if it is (and there is no patch in the trac yet, which I did not found with simple search, but

Re: [sage-devel] Re: Multiline input cells issue in live documentation (IndentationError: unexpected indent in lots of cells)

That sounds right to me, at first glance. Cool, so I made a ticket and posted patch that fixes it for me. It's #11325 - http://trac.sagemath.org/sage_trac/ticket/11325 Andrzej. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email

[sage-devel] Bad result of integrate from maxima, are those documented/listed in some place?

Hi, I recently found an integral that returns bad result. I already reported it to Maxima tracker, but before they fix it, is there some place (ticket?) in which such buggy integrals, limits, etc are listed so when bugs are fixed upstream they can be doctested? For example I noticed that sage:

Re: [sage-devel] Re: Bad result of integrate from maxima, are those documented/listed in some place?

I actually was mistaken - it really looks strange, but it's difference by constant after all, my fault. The big difference in form misled me. Thanks for answering my original question anyway, will keep that in mind if I find real issue next time. Anyway, now that I'm playing with it more I

Re: [sage-devel] Re: PyLab from notebook?

Hi, Thanks for your opinion on this. I looked at def f():   from pylab import * ...   savefig('test.png') before, but didn't liked the warning - also wondered about other proposed way: pylab_mode() ... pylab_mode(False) but it looked really fake to me. I liked the with approach, not too

[sage-devel] PyLab from notebook?

Hi, I was wondering - recently I read one blog post where author was using PyLab from notebook by importing it into namespace (from pylab import *) and overwriting lots of things like var and plot - together 75 names: sage: import pylab sage: len(filter(vars().has_key, pylab.__dict__.keys())) 75

Re: [sage-devel] Re: code refereeing and code.google.com

Hi, Is there an open-source project out there like bitbucket (i.e., like Gitorious is for git hosting?)?  Is Google code better than bitbucket? Since bitbuckets tagline is Free code hosting for 5 users. Unlimited private or public repositories., I would say Google code is vastly better,

[sage-devel] Was foolscap spkg considered? (dependency of IPythons for paraller computing)

Hi, today I was trying to see if it would be possible to do distributed computations in sage using IPythons paraller capabilities, though I'm getting === sage: from IPython.kernel import client

Re: [sage-devel] Re: Randomised testing against Mathematica

about test suites - random or not so maybe slightly offtopic but didn't wanted to open new topic for something so close - I just wonder, had anyone tested Sage against http://eqworld.ipmnet.ru/ exact solution database? It's basic database of exact solutions for integrals, ODEs and much more - but

[sage-devel] Re: sage-4.2

Hi, the readline issue during build: symbol lookup error: /opt/sage/local/lib/libreadline.so.6: undefined symbol: PC is still here (on Arch 64 bit at least), copying native libreadline.so.6 from Arch to /opt/sage/local/lib solves the issue. Quick check shows, that readline in sage is not

[sage-devel] Re: Readline causes error on startup

I also can confirm this, build of 4.1.2 I guess final release don't work because of the version of libreadline.so.6 included in sage, had to use local version On Wed, Sep 30, 2009 at 1:58 AM, Dan Drake dr...@kaist.edu wrote: On Tue, 29 Sep 2009 at 11:27AM -0700, Tim Dumol wrote: I am running

[sage-devel] Re: firefox 3.5 and jsmath

guess I can only delete the jsmath font for now. On Jul 4, 7:56 am, Andrzej Giniewicz ggi...@gmail.com wrote: Same here... today I upgraded and had to set to image fonts explicitly injsmathoptions On 2 Lip, 10:03, Peter Jeremy peterjer...@optushome.com.au wrote: On 2009-Jul-01 01:21:56

[sage-devel] Re: Sage-4.1.rc0 released

Hi, It seems that in Sage 4.0.1.rc0, there is an error when I tried building the PDF version of the reference manual. If you're interested, the complete LaTeX log is here: http://sage.math.washington.edu/home/mvngu/doc/reference.log I think this should be fixed before releasing the final

[sage-devel] Re: Sage-4.1.rc0 released

Hi, On Mon, Jul 6, 2009 at 6:25 AM, gswgeorgswe...@googlemail.com wrote: On Mac OS X 10.4, too, singular fails to build (see the message from John H Palmieri above). It seems that (see trac #6362) the update from Singular 3.1.0.2 to Singular 3.1.0.4 did have an unwanted side-effect ...

[sage-devel] Re: Sage-4.1.rc0 released

Hi, On Mon, Jul 6, 2009 at 6:20 PM, John H Palmierijhpalmier...@gmail.com wrote: It builds for me; the other two spkgs there (3.1.0-4-...) fail to build on my mac. can you maybe provide full log there of both 3.1.0-2 and 3.1.0-4? Best as packed download to not make mail of all full... anyway

[sage-devel] Re: Sage-4.1.rc0 released

I also built and tested (on Arch Linux current, 32bit, that's gcc 4.4 snapshot) - one test failed, devel/sage/sage/graphs/graph.py - in exactly same way as for Jaap (output noise) On Sun, Jul 5, 2009 at 10:22 AM, Jaap Spiesj.sp...@hccnet.nl wrote: Robert Miller wrote: Source tarball,

[sage-devel] Re: firefox 3.5 and jsmath

Same here... today I upgraded and had to set to image fonts explicitly in jsmath options On 2 Lip, 10:03, Peter Jeremy peterjer...@optushome.com.au wrote: On 2009-Jul-01 01:21:56 -0700, Jason Grout jason-s...@creativetrax.com wrote: Is anyone else seeing the fonts in jsmath in firefox 3.5

[sage-devel] Re: sage-4.0.2

Hi, small update - build finished, make test running - posted ticket about it the issue (with better explanation) with spkg attached for review - #6362 cheers, Andrzej On Sat, Jun 20, 2009 at 2:42 AM, Andrzej Giniewiczggi...@gmail.com wrote: Hi, nice to have a new release! I tried to

[sage-devel] Re: sage-4.0.2

Final update on my Arch Linux current try - with #6362 all tests passed! On Sat, Jun 20, 2009 at 10:24 AM, Andrzej Giniewiczggi...@gmail.com wrote: Hi, small update - build finished, make test running - posted ticket about it the issue (with better explanation) with spkg attached for review

[sage-devel] Re: sage-4.0.2

Hi, nice to have a new release! I tried to build but didn't get far, GCC 4.4 here (actually gcc version 4.4.0 20090526 prerelease that fixes other problem with build I had with sage 4.0). Anyway - had to patch libsingular (it use deprecated strchr form in 2 places, simple cast is enough to fix

[sage-devel] Re: sage-4.0

Hi, 2009/5/30 mabshoff mabsh...@googlemail.com: On May 30, 10:20 am, William Stein wst...@gmail.com wrote: 2009/5/30 Andrzej Giniewicz ggi...@gmail.com: Hi, tried to do some test, but I have similar issue as Vlad reported on sage-support for 4.0rc0 in topic building sage 4.0.rc0

[sage-devel] Re: sage-4.0

Hi, small update on GCC 4.4 compilation, I managed to walk around ICE in snapshot and compile up to place where Singular fails because of use of strchr in 2 places, i.e. it uses char * strchr(const char*, int) while from version 4.4 gcc allows only const char* strchr(const char*, int) or char*

[sage-devel] Re: sage-4.0

Hi, tried to do some test, but I have similar issue as Vlad reported on sage-support for 4.0rc0 in topic building sage 4.0.rc0 with gcc 4.4.0 and glibc 2.10.1 fails (on arch linux), (btw, I also have Arch with gcc 4.4 and glibc 2.10), the error for me it: g++ -o ./comptest comptest_n.o

[sage-devel] Re: RPy2 on horizon...

Hi, RPy2 is almost out - Any idea about the timeframe? couldn't say back then - but now I can now... release was 13 days ago but no news on main page :P It's http://rpy.svn.sourceforge.net/viewvc/rpy/rpy2/tags/RELEASE_2_0_0/ (trunk is already for 2.0.1 so it's final 2.0.0 :)) cheers,

[sage-devel] Re: Sage 3.1.3.alpha1 released

Built fine, tested fine with one non-repeatable so far time-out, in plot.py - seems time-out is also reason for 2 failures mentioned on that 32bit fedora... (looking at that version that passed, 335 seconds is quite some)... is there already command-line option to set longer times on slower

[sage-devel] Re: RPy2 on horizon...

Hi, RPy2 is almost out - Any idea about the timeframe? alpha3 is out and it looks like mostly ready, it's already quite usable, probably beta really soon (seems like week looking at previous releases but there might be another alpha in between also)... they work on it in rpy_nextgen branch

[sage-devel] RPy2 on horizon...

Hi, RPy2 is almost out - it would have lots of useful stuff from user view (data frames, formulas, works better with newer R versions) but also from interface view (I've heard that there will be major memory refresh with about half of it used for Python/R objects and also environments allowing

[sage-devel] conversion of strings on way to R interpreter, bug in R interface?

Hi, I noticed quite bad random behaviour when passing strings as argument, check this simple example attached below, when passing numbers all is ok, but on strings it just works crazy, if there is some other way to pass string to R interpreter, is there way to do this automatically? On bottom

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

Just noticed one thing, during close (by ctrl+c) of sage that run notebook (with sage --notebook) I got unhandled error (it's 100% reproducible for me): 2008-09-04 02:30:56+0200 [-] Saving notebook... 2008-09-04 02:30:56+0200 [-] Dumping admin history to 'sage_notebook/ worksheets/

[sage-devel] Re: conversion of strings on way to R interpreter, bug in R interface?

Thanks for info it indeed works that way! (I allowed myself to add this and link to this ticked to FAQ at http://wiki.sagemath.org/R - I hope it's OK) :) cheers, Andrzej. --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To

[sage-devel] Display R source code using standard ?? in notebook, is this right approach? (patch incl.)

Hi, I've made simple preliminary patch - http://giniu.ravenlord.ws/r_source.patch - that allows to display source code of R functions in notebook using standard ??, just I don't know if approach I used is good - today I've seen content of sage/server directory for the first time so I cannot be

[sage-devel] ttest and arguments from other R interpreter - or - why second R interpreter in sage.stats.r ?

Hi all, the ttest function from sage.stats.r uses it's own interpreter, sage.stats.r.myR - is there way to pass objects from global r interpreter to this one? i.e. to be able to call ttest(r.rnorm(10), r.rnorm(10)) instead of ttest(sage.stats.r.myR.rnorm(10), sage.stats.r.myR.rnorm(10)) or

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

I was able to reproduce this on many different machines, all had only one common case - they had GCC 4.3.1 or later - additional to my system there is also friends Debian that is affected, as of arch a way to make it reproducible is to update to latest (pacman -Syu) still looking for someone with

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

Hi, after some sniffing around, I noticed that for me (see bottom of mail for gcc version) techyon needs to be compiled with make linux (with disabled threads) or with -fno-crossjumping -fno-reorder-blocks added to Make-arch file at line 1134 (linux-thr target, after -O6) - second is better

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

Hi, some new informations, gcc 4.2.4 is also affected by this, but all gcc = 4.2.3 are for sure working right, for 4.2.4 and 4.3.1 tachyon segfaults, I'm looking for some live cd with gcc 4.3 to see if problem is also visible in it or not, it seems to appear in gcc trunk somewhere between

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

Hi, it still breaks on -O3 and -O2 iirc as when I tested... it should be lowered to -O1 to work always, anyway adding only those 2 mentioned earlier flags (-fno-crossjumping -fno-reorder-blocks) makes it work, I though rather about looking for what compiler versions it fails and patching it in

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

So... I can't replicate this segfault on either OS X or Linux. Could you remind me of precisely what hardware/OS you're using and whether or not you built from source or used a pre-compiled binary. It's 32 bit Arch Linux current, GCC 4.3.1 (patched to snapshot from 2008 06 26), GlibC 2.8,

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

Hi again, was trying to track that segfault in tachyon doctest, it happens during show(t) in texture example, that's in: t = Tachyon(camera_center=(2,5,4), look_at=(2,0,0), raydepth=6) t.light((10,3,4), 1, (1,1,1)) t.texture('mirror', ambient=0.05, diffuse=0.05, specular=.9, opacity=0.9,

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

Hi, small report - compiled fine, all tests passed (but that's what was reported by make test)... looking into test.log there's still segfault with tachyon test: sage -t devel/sage/sage/plot/tachyon.pysh: line 1: 2 Naruszenie ochrony pamięci tachyon

[sage-devel] Re: Sage 3.0.5/3.0.6.alpha0: doctest failure in ssmod.py

Hi, On Thu, Jul 17, 2008 at 2:39 AM, Craig Citro [EMAIL PROTECTED] wrote: This is bad, in the sense that it's wrong. What machine was this happening on? in my case it's AMD Athlon from Barton age, there's cpuinfo: processor : 0 vendor_id : AuthenticAMD cpu family : 6 model

[sage-devel] Re: Sage 3.0.4 released

Hi, devel/sage/sage/plot/tachyon.py  19618 Naruszenie ochrony pamięci   tachyon /root/.sage//temp/ginland/ 19542//tmp_12.dat -format PNG -o /root/.sage//temp/ginland/19542// test.png /dev/null (that's segmentation fault - and it wasn't reported as failure at end of tests) Hmm, it

[sage-devel] Re: Sage 3.0.1.rc0 released!

Hi, built and tested on Arch 32, only one failure (were 3 for alpha)... same as with 3.0.0: sage -t 3.0.1.rc0/devel/sage/sage/rings/complex_double.pyx ** File /opt/sage/tmp/complex_double.py, line 1659: sage: z^2 - z + 1

[sage-devel] Re: Sage 3.0.1-alpha1 released!

Hi, built fine of Arch linux 32 bit without any change, didn't run tests yet but will soon... anyway small off-topic - I was making spkg for R 2.7 and RPy 1.0.2 to see if it would work (2.7 have some nice Cairo graphics driver in addition to X11 and others, examples from wiki already works),

[sage-devel] Re: Compile Error

Also have same error with both .p13 and .p14, but by some random case I got other error when run make for the second time, there is complete log from first build: www.giniu.ravenlord.ws/install.log.1 (HUGE one), and there is second one, small log from second build (

[sage-devel] Re: Compile Error

software from repos... I think it's price one have to pay for current system - I hope this can be fixed or worked-around before 3.0 or 3.0.1 and keep fingers crossed :) regards, Andrzej. On 21 Kwi, 19:53, Andrzej Giniewicz [EMAIL PROTECTED] wrote: Also have same error with both .p13 and .p14

[sage-devel] Re: Sage 3.0.rc1 released!

One test failed on standard rc1+clisp...p15, running 32 bit Arch linux with GCC 4.3, /proc/cpuinfo below and doctest below it. cheers, Andrzej. cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 10 model name : AMD Athlon(tm) XP 2600+

[sage-devel] Re: Compile Error

I have exactly same problem, there are specs: Arch Linux latests (so GCC 4.3 and friends) Machine quite old, 512MB of RAM, below I include /proc/cpuinfo... sorry - no log (deleted dir, maybe tomorrow will try again, I had troubles downloading so I thought it can be corrupted archive or something