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 wrote:
> Hi,
>
> Somebo
t 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 wrote:
>>
>> Hello,
>>
>> Setting countours to None makes implicit_plot for x==y do something
>>
aun 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 getting time limit
>>
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], wher
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 f
Thank you!
On Tue, Nov 24, 2015 at 8:52 AM, slelievre 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 "Andrzej Giniewicz and Katarzyna
>
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
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 typeface.
I'm really gla
s 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.g
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 most
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 wrote:
> On Friday, April 12, 2013 3:35:41 PM UTC+1, Andrzej Giniewicz wrote:
>>
>> Well, there are no X-es on this machin
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
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':
/usr/lib/libhar
On Fri, Jan 25, 2013 at 8:17 PM, leif 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 works, as does ad
?
On Fri, Nov 23, 2012 at 5:01 PM, Andrzej Giniewicz 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.
>
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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.
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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 whe
e.
Thanks,
Andrzej.
On Sat, Aug 4, 2012 at 4:11 PM, Jeroen Demeyer wrote:
> On 2012-08-04 16:07, Andrzej Giniewicz wrote:
>> On Sat, Aug 4, 2012 at 4:01 PM, Jeroen Demeyer
>> wrote:
>>> On 2012-08-04 15:59, Andrzej Giniewicz wrote:
>>>> until 5.2 everything wor
On Sat, Aug 4, 2012 at 4:01 PM, Jeroen Demeyer 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 i
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 co
> 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
m
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
> 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.
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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
I didn't had too much time to do anything with this for some time,
anyway that's how far I got back then. Maybe someone will find it
useful, or probably not.
http://sagenb.org/home/pub/2654/
It isn't tested well enough I believe and could be better, but using
pylab trough statement
with sagelab:
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 wonder.
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: i
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, no
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
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
> be
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
---
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 I
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 linked
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 wrote:
> On Tue, 29 Sep 2009 at 11:27AM -0700, Tim Dumol wrote:
>> I am running Arch Linux x86
uch trouble. I guess I can only delete the
> jsmath font for now.
>
> On Jul 4, 7:56 am, Andrzej Giniewicz wrote:
>> Same here... today I upgraded and had to set to image fonts explicitly
>> injsmathoptions
>>
>> On 2 Lip, 10:03, Peter Jeremy wrote:
>>
>>
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
Hi,
On Mon, Jul 6, 2009 at 6:20 PM, John H Palmieri 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 I can
imagine there m
Hi,
On Mon, Jul 6, 2009 at 6:25 AM, gsw 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 ... thoughts?
seems so, in
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 Spies wrote:
>
> Robert Miller wrote:
>> Source tarball, sage.math binary, and
Same here... today I upgraded and had to set to image fonts explicitly
in jsmath options
On 2 Lip, 10:03, Peter Jeremy wrote:
> On 2009-Jul-01 01:21:56 -0700, Jason Grout
> wrote:
>
> >Is anyone else seeing the fonts in jsmath in firefox 3.5 messed up? To
> >check this, go to
> >http://www.ma
Final update on my Arch Linux current try - with #6362 "all tests passed"!
On Sat, Jun 20, 2009 at 10:24 AM, Andrzej Giniewicz wrote:
> Hi,
>
> small update - build finished, "make test" running - posted ticket
> about it the issue (with better explanation)
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 Giniewicz wrote:
> Hi,
>
> nice to have a new release!
>
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 i
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 "cha
Hi,
2009/5/30 mabshoff :
>
>
>
> On May 30, 10:20 am, William Stein wrote:
>> 2009/5/30 Andrzej Giniewicz :
>>
>>
>>
>> > Hi,
>>
>> > tried to do some test, but I have similar issue as Vlad reported on
>> > sage-support for
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 comppro
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,
And
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
mac
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 branc
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
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 su
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.
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To uns
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/
admin/history.
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 the
Small report, Arch Linux 32bit (fresh, new, hot and shiny GCC 4.3.2),
4 failures but all reported before:
sage -t devel/sage/sage/interfaces/gp.py
sage -t devel/sage/sage/interfaces/lisp.py
sage -t devel/sage/sage/stats/hmm/chmm.pyx
sage -t devel/sage/sage/stat
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
t
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 2008-0
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
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
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 th
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, color
oh, and yes - I built it from source
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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
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
/root/.sage//temp/gi
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
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 tes
Hi,
built using Arch Linux (32 bit, gcc 4.3.1) and build went fine...
there are some test results, other than that it works fine
cheers,
Andrzej.
devel/sage/sage/plot/tachyon.py
19618 Naruszenie ochrony pamięci tachyon /root/.sage//temp/ginland/
19542//tmp_12.dat -format PNG -o /root/.sage//
built (4 hours) and all tests passed (2 hours) on 32 bit arch linux,
using default make without any custom options
cheers,
Andrzej.
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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
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), but
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+
pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow up ts
bogomips: 4186.87
clflush size: 32
On 21 Kwi, 20:00, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Mon, Apr 21, 2008 at 10:53 AM, Andrzej Giniewicz <
s with new 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
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
( www.giniu.ravenlord.ws/install.
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
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