[sage-support] Sage on multi cpu architecture
Hi everybody, I am using sagemath in server with several processors/cores, but its not using all the CPU resources. Most of the CPU are sitting idle. Is it possible to build sage in such a way that all the cpu/cores? Sage version: 'Sage Version 6.0, Release Date: 2013-12-17' System information: Linux 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux The option grep processor /proc/cpuinfo | wc -l return 32. The option cat /proc/cpuinfo | grep model name returns 32 lines as below: model name : Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz Thank you in advance, Alex -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
[sage-support] Re: Sage on multi cpu architecture
I will try to explain myself better. I am working with power sums: sum 1/a^k, (k positive integer) where sum is over certain large subset of F_q(t) (F_q finite field of q elements). Since those calculations take a lot of time (sometimes days or even weeks), i was wondering if there is a way to work in parallel to take advantage of the several processors/cores. Thanks, Alex. El viernes, 28 de febrero de 2014 12:22:28 UTC-6, Alex Lara escribió: Hi everybody, I am using sagemath in server with several processors/cores, but its not using all the CPU resources. Most of the CPU are sitting idle. Is it possible to build sage in such a way that all the cpu/cores? Sage version: 'Sage Version 6.0, Release Date: 2013-12-17' System information: Linux 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux The option grep processor /proc/cpuinfo | wc -l return 32. The option cat /proc/cpuinfo | grep model name returns 32 lines as below: model name : Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz Thank you in advance, Alex -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
Re: [sage-support] Re: Sage on multi cpu architecture
I will try. Thank you Alex. El viernes, 28 de febrero de 2014 17:04:51 UTC-6, William escribió: On Fri, Feb 28, 2014 at 3:00 PM, Alex Lara lrod...@gmail.comjavascript: wrote: I will try to explain myself better. I am working with power sums: sum 1/a^k, (k positive integer) where sum is over certain large subset of F_q(t) (F_q finite field of q elements). Since those calculations take a lot of time (sometimes days or even weeks), i was wondering if there is a way to work in parallel to take advantage of the several processors/cores. You might try the @parallel decorator. Type parallel? for some examples. Thanks, Alex. El viernes, 28 de febrero de 2014 12:22:28 UTC-6, Alex Lara escribió: Hi everybody, I am using sagemath in server with several processors/cores, but its not using all the CPU resources. Most of the CPU are sitting idle. Is it possible to build sage in such a way that all the cpu/cores? Sage version: 'Sage Version 6.0, Release Date: 2013-12-17' System information: Linux 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux The option grep processor /proc/cpuinfo | wc -l return 32. The option cat /proc/cpuinfo | grep model name returns 32 lines as below: model name : Intel(R) Xeon(R) CPU E5-2665 0 @ 2.40GHz Thank you in advance, Alex -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support...@googlegroups.com javascript:. To post to this group, send email to sage-s...@googlegroups.comjavascript:. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out. -- William Stein Professor of Mathematics University of Washington http://wstein.org -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
Re: [sage-support] Change default prec to LaurentSeriesRing
Thank you for your answer. I know that default_prec is an option in newest versions of sage. But in Sage 5.2 and older versions it seems there is not a way to change the precision, and for now I can not upgrade sage. Alex Lara El martes, 3 de septiembre de 2013 03:19:44 UTC-5, John Cremona escribió: Type LaurentSeriesRing? to see the options, one of which is default_prec. Note that Sage 5.11 has been released, but I don't think this changed between 5.2 and 5.11. Nevertheless you should upgrade! John Cremona On 2 September 2013 23:42, Alex Lara lrod...@gmail.com javascript: wrote: Hi everybody, Is there a way to change the default precision to LaurentSeriesRing in Sage 5.2? Thank you, Alex Lara Universidad Autónoma de Yucatán México -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support...@googlegroups.com javascript:. To post to this group, send email to sage-s...@googlegroups.comjavascript:. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
Re: [sage-support] Change default prec to LaurentSeriesRing
I found it. sage: LS.z = LaurentSeriesRing(GF(3)) sage: LS.default_prec() 20 sage: LS.set_default_prec(30) sage: LS.default_prec() 30 Alex Lara. El martes, 3 de septiembre de 2013 05:51:02 UTC-5, Alex Lara escribió: Thank you for your answer. I know that default_prec is an option in newest versions of sage. But in Sage 5.2 and older versions it seems there is not a way to change the precision, and for now I can not upgrade sage. Alex Lara El martes, 3 de septiembre de 2013 03:19:44 UTC-5, John Cremona escribió: Type LaurentSeriesRing? to see the options, one of which is default_prec. Note that Sage 5.11 has been released, but I don't think this changed between 5.2 and 5.11. Nevertheless you should upgrade! John Cremona On 2 September 2013 23:42, Alex Lara lrod...@gmail.com wrote: Hi everybody, Is there a way to change the default precision to LaurentSeriesRing in Sage 5.2? Thank you, Alex Lara Universidad Autónoma de Yucatán México -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support...@googlegroups.com. To post to this group, send email to sage-s...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
[sage-support] Change default prec to LaurentSeriesRing
Hi everybody, Is there a way to change the default precision to LaurentSeriesRing in Sage 5.2? Thank you, Alex Lara Universidad Autónoma de Yucatán México -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
[sage-support] Re: Asking whether a number is in QQ or not
Thank you to all of you! On Sep 15, 12:59 pm, Simon King simon.k...@uni-jena.de wrote: PS: sage: cm.explain(QQ, b.parent()) I forgot to copy-and-paste the definition of cm. It was: sage: from sage.structure.element import get_coercion_model sage: cm = get_coercion_model() Cheers, Simon -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Asking whether a number is in QQ or not
Hi all, I have a question about the following behavior of Sage: sage: z = (-1+sqrt(-3))/2 sage: b = (1+z)^3 sage: b in QQ False sage: b.expand() in QQ True Why b in QQ return False and b.expand() in QQ return True? Since b is -1, I expected True in both cases. Also, QQ(b) return an error: TypeError: unable to convert 1/8*(sqrt(-3) + 1)^3 to a rational Thanks Alex Lara -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Re: Trouble with sage installation on Ubuntu 11.04
I'm trying to build sage 4.6.2 from source. The output is here http://dl.dropbox.com/u/5510419/test.log I will run the long test and as soon as it finishes I will post the output. Best wishes---Alex On 1 mayo, 02:52, Dr. David Kirkby david.kir...@onetel.net wrote: On 04/30/11 09:59 PM, Alex Lara wrote: The command ./sage -f python (after install libssl-dev) did not work, but sage -f python-2.6.4.p10.spkg did work (I think). I ran make test. The following test failed: sage -t -force_lib devel/sage/sage/rings/number_field/ number_field.py Do you think my build is ok now? Best regards---Alex In a word, No. What version of Sage are you trying to build? Can you show us the output of the test log file (test.log, ptest.log, ptestlong.log or whatever it is in your case). We need to see the bit where the test fails - not the complete log. If you have not run the long tests, I suggest you run them too. $ make testlong (run each test serially) or $ make ptestlong (if you have a multi-core and/or multi-processor machine, which will run tests in parallel to reduce the time needed to run them). I have a faint recollection of number_field.py might have failed on one of the recent alpha releases, but has been fixed. Depending on what you are using, you might have hit a problem that's been solved. But I could be mistaken about this anyway - I lose track of the test failures, which are quite common in the early alpha releases. -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Re: Trouble with sage installation on Ubuntu 11.04
The command ./sage -f python (after install libssl-dev) did not work, but sage -f python-2.6.4.p10.spkg did work (I think). I ran make test. The following test failed: sage -t -force_lib devel/sage/sage/rings/number_field/ number_field.py Do you think my build is ok now? Best regards---Alex On 30 abr, 01:35, Jan Groenewald j...@aims.ac.za wrote: Hi On Fri, Apr 29, 2011 at 10:01:46PM -0700, William Stein wrote: A random shot in the dark is that you could try: (1) installing the libssl-devel Ubuntu package with sudo apt-get install libssl-devel. It's libssl-dev on Ubuntu (remove the el at the end). But I can build sage/python without that package though. (2) rebuild the Python spkg in Sage: cd SAGE_ROOT ./sage -f python It needs a one line patch on Ubuntu. Try instead (take note this is a work in progress): cd SAGE_ROOT/spkg/standard wgethttp://users.aims.ac.za/~jan/python-2.6.4.p10.spkg sage -f python-2.6.4.p10.spkg ( Note that only works after you did 'cd SAGE_ROOT; make', and it failed to build the crypt module in the python spkg, but the other packages are built. Regards, Jan -- .~. /V\ Jan Groenewald /( )\ www.aims.ac.za ^^-^^ -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Re: Trouble with sage installation on Ubuntu 11.04
I tried to install from source. I have installed sage many times before following the installation guide. I will take a look at the links. -Alex On 29 abr, 14:41, kcrisman kcris...@gmail.com wrote: Thanks for the report. Did you built from scratch, or download? You may findhttp://trac.sagemath.org/sage_trac/ticket/11243and the threadhttp://groups.google.com/group/sage-devel/browse_thread/thread/593b9a... useful. We are tracking this problem. - kcrisman On Apr 29, 2:51 pm, Alex Lara lrodr...@gmail.com wrote: Dear all, Sage failed to install in ubuntu 11.04. I get the following error: ImportError: No module named crypt Error importing ipy_profile_sage - perhaps you should run %upgrade? WARNING: Loading of ipy_profile_sage failed. Any idea of how to fix this? Thanks in advance: Alex Lara. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Is this a bug?
Hi everyone In Sage 4.5.2 and Sage 4.5.3, I get the following error using partial_fraction_decomposition() sage: R.x = GF(3)[] sage: q = (x+1)/(x^3+x+1) sage: q.partial_fraction_decomposition() --- AttributeErrorTraceback (most recent call last) /home/lrodri/ipython console in module() /home/lrodri/sage-4.5.2/local/lib/python2.6/site-packages/sage/ structure/element.so in sage.structure.element.Element.__getattr__ (sage/structure/element.c:2632)() /home/lrodri/sage-4.5.2/local/lib/python2.6/site-packages/sage/ structure/parent.so in sage.structure.parent.getattr_from_other_class (sage/structure/parent.c:2835)() /home/lrodri/sage-4.5.2/local/lib/python2.6/site-packages/sage/ structure/parent.so in sage.structure.parent.raise_attribute_error (sage/structure/parent.c:2602)() AttributeError: 'sage.rings.fraction_field_FpT.FpTElement' object has no attribute 'partial_fraction_decomposition' The same error I get using primes different from 2. But if I use 3^2 instead of 3, or a power of some prime, I get a right answer. I did not have the problem using Sage 4.4.1. Thanks in advance. Alex -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] kash 2.5 in Sage
Hi everybody, Is it possible to install kash 2.5 in sage? I need to compute the class group of function fields, but I couldn't with kash 3. Thanks, Alex -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Re: kash 2.5 in Sage
That's right William, the command line interface is different. Thank you Alex. On 19 mayo, 11:10, William Stein wst...@gmail.com wrote: On Wed, May 19, 2010 at 7:53 AM, Alex Lara lrodr...@gmail.com wrote: Hi everybody, Is it possible to install kash 2.5 in sage? I need to compute the class group of function fields, but I couldn't with kash 3. Is the command line interface of Kash 2.5 different than that of Kash 3? (I'm guessing it is.) If so, it's unlikely to work with Sage. William Thanks, Alex -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group athttp://groups.google.com/group/sage-support URL:http://www.sagemath.org -- William Stein Professor of Mathematics University of Washingtonhttp://wstein.org -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group athttp://groups.google.com/group/sage-support URL:http://www.sagemath.org -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
[sage-support] Error when running Notebook: Error showing url: There was an error launching the default action command associated with this location
I got the following error when running sage -notebook ** ** * Open your web browser to http://localhost:8000 * ** ** 2009-03-19 17:33:51-0700 [-] Log opened. 2009-03-19 17:33:51-0700 [-] twistd 8.1.0 (/usr/local/sage-3.4/local/ bin/python 2.5.2) starting up 2009-03-19 17:33:51-0700 [-] reactor class: class 'twisted.internet.selectreactor.SelectReactor' 2009-03-19 17:33:51-0700 [-] twisted.web2.channel.http.HTTPFactory starting on 8000 2009-03-19 17:33:51-0700 [-] Starting factory twisted.web2.channel.http.HTTPFactory instance at 0x8ca724c Error showing url: There was an error launching the default action command associated with this location. If after that, in the url of firefox I type http://localhost:8000 it begins to work. Any idea why it does not work? ---Alex Lara --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Object changes its contents after saved (sage 3.1.1)
Hi Craig, I think it is better option (1), but where can I get 3.4.rcl? I don't see it in the website of Sage. In your opinion, which option is better? ---Alex On 9 mar, 21:21, Craig Citro craigci...@gmail.com wrote: Hi Alex, After I found a bug in sage 3.2.3 ( see Division error in Sage 3.3 but not in Sage 3.1.1 posted march 7, 2009), I decided used sage 3.1.1. Now I have a problem with sage 3.1.1 1. the program generate the object H 2. save H 3. G =load(H) So this is a pretty funky bug -- however, it's one that's already fixed. I'd recommend not trying to use 3.1.1 once you've got your pickles converted ... it's just going to cause you a headache when you hit bugs, and since a lot of them have already been fixed, no one is going to be too excited about fixing them. :) I don't know if this was mentioned clearly in the other thread, but the bug you're hitting in 3.2.3 is already fixed in the current 3.4.rc1 ... you could do one of two things: (1) download and compile 3.4.rc1, use that (2) take the patch that fixed your bug, apply it to 3.2.3 (which is what we did to get your 3.1.1 working), go from there. The patch is at this ticket: http://trac.sagemath.org/sage_trac/ticket/5434 And the file itself is here: http://trac.sagemath.org/sage_trac/raw-attachment/ticket/5434/poly-sh... So you can just grab that, and in your 3.2.3 tree, follow the same directions you did to get your 3.1.1 correctly pickling your fraction field elements. I hope that helps ... -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Object changes its contents after saved (sage 3.1.1)
Hi guys,
After I found a bug in sage 3.2.3 ( see Division error in Sage 3.3 but
not in Sage 3.1.1 posted march 7, 2009), I decided used sage 3.1.1.
Now I have a problem with sage 3.1.1
1. the program generate the object H
2. save H
3. G =load(H)
I assume G == H, but it doesn't happens. See the following code.
H={}
p=Integer(3)
print
for k in range(1,11):
k= Integer(k)
if p.divides(k):
H[-k] = k^2
else:
H[-k] = infinity
save (H,'test.sobj')
print
for k in H.keys():
print (k,H[k])
print
G = load('test.sobj')
for k in G.keys():
print (k,G[k])
Some idea of how to fix this?
Thanks,
Alex Lara.
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[sage-support] Re: Division error in Sage 3.3 but not in Sage 3.1.1
Just as I thought. So there is nothing I can do but work with sage 3.1.1, right? Those polynomials arised as coefficients of some polynomials in F_q(t) [T] and inside a sum command: sum ( (do something with H_j(T)) for j in bla bla) The routine which gave the error was successfully used many times before. Thanks John. ---Alex On 7 mar, 05:50, John Cremona john.crem...@gmail.com wrote: That is definitely a bug. Doing it step by step works: sage: fd=f.denominator(); gd=g.denominator() sage: fn=f.numerator(); gn=g.numerator() sage: fn*gd+fd*gn 2*t^18 + t^11 + t^10 + 2*t^2 sage: hn = fn*gd+fd*gn sage: hd = fd*gd sage: hn.gcd(hd) t^3 + 2*t^2 sage: hn/hd (2*t^15 + 2*t^14 + 2*t^13 + 2*t^12 + 2*t^11 + 2*t^10 + 2*t^9 + t^7 + t^6 + t^5 + t^4 + t^3 + t^2 + t + 1)/(t^17 + t^9 + t) sage 3.4.alpha0 gives the same thing. John Cremona 2009/3/7 Alex Lara lrodr...@gmail.com: Hi guys, I recently upgrade sage from 3.2.3 to 3.3. I'm also have sage 3.1.1 The thing is that the following commands give different results: F.theta=FiniteField(9) A.t = PolynomialRing(F) K.t = FractionField(A) f= 2/(t^2+2*t); g =t^9/(t^18 + t^10 + t^2);f+g In 3.1.1 gives the right answer (I guess) but in 3.2.3 give an error: ZeroDivisionError Traceback (most recent call last) ... ZeroDivisionError: division by zero in finite field. I don't know how those commands work in 3.2.3. I had a problem with sage 3.2.3, but Craig Citro helped me. Sage 3.2.3 couldn't open objects created in sage 3.1.1. This objects contain polynomials p(T) in F_q(t)[T]. Perhaps these problems are related. Any idea of how to fix that? --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Problems using sagetex package
Hi there, I suppose it has to be with permissions. Sage is installed at my home directory. If a run sage as a root (su and then ./sage) maxima works!!! But if only run sage with sudo ./sage it does'nt. Do you have an idea why is that? ---Alex On Mar 6, 8:21 am, William Stein wst...@gmail.com wrote: On Fri, Mar 6, 2009 at 1:33 AM, Dan Drake dr...@kaist.edu wrote: On Thu, 05 Mar 2009 at 10:45PM -0800, Alex Lara wrote: What do you get when you run sage -maxima? --Mike I got this: *** - invalid byte #xC3 in CHARSET:ASCII conversion Break 1 [4] I am totally guessing here, but is there a non-ascii character somewhere in the path to your Sage install, or in your shell's $PATH? That's a good guess. There is a known major bug in Maxima + clisp where it totally fails to work if there are certain non-ascii characters in the filenames in the current directory or PATH. I can't wait until clisp isn't in Sage. Dan -- --- Dan Drake dr...@kaist.edu - KAIST Department of Mathematical Sciences --- http://mathsci.kaist.ac.kr/~drake -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkmw7fAACgkQr4V8SljC5Lp5YwCfe+WRYLfaH6suwEKaL4TlorOb 23sAnjZMePg3aYtcBumhxsngrICzeOXW =WCyC -END PGP SIGNATURE- -- William Stein Associate Professor of Mathematics University of Washingtonhttp://wstein.org --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Problems using sagetex package
Sagetex is working!!! (and also Maxima). I did the following: I found that LANG=ex_MX.UTF-8 but .bashrc had export LC_ALL=C. So I commented and run sudo dpkg-reconfigure locales After that Maxima start to works. Thanks for the support. Alex On Mar 6, 8:54 am, Robert Dodier robert.dod...@gmail.com wrote: William Stein wrote: On Thu, 05 Mar 2009 at 10:45PM -0800, Alex Lara wrote: *** - invalid byte #xC3 in CHARSET:ASCII conversion Try this: change the environment variable LC_CTYPE e.g. LC_CTYPE=ES_es or LC_CTYPE=ES_es.UTF-8 or something like that. Or maybe somehow indicated ISO 8859-1 or Latin-1 or something. Then Clisp might know how to decode the offending bytes. Another tactic: put the following in your $HOME/.clisprc file. (format t HELLO FROM CLISPRC~%) (ignore-errors (progn (setf custom:*default-file-encoding* (ext:make-encoding :input-error-action #\?)) (setf custom:*terminal-encoding* custom:*default-file-encoding*))) That replaces undecodable bytes by '?' characters. (The hello message is just to verify the code is loaded ) That's a good guess. There is a known major bug in Maxima + clisp where it totally fails to work if there are certain non-ascii characters in the filenames in the current directory or PATH. I can't wait until clisp isn't in Sage. The bad news is that it's not exactly a Clisp idiosyncrasy. Clisp is trying to do the right thing when faced with undecodable bytes. Unfortunately the Common Lisp spec, while it recognizes the existence of character encoding issues, doesn't specify what to do when a byte can't be decoded to a character. Other Lisp implementations probably have their own ways to handle it. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: Problems using sagetex package
Hi Dan,
You are totally right. The problem is that Sage can't start maxima.
Here is part of the output when I typed
sage: var('x k w')
(x, k, w)
sage: f = x^3 * e^(k*x) * sin(w*x); f
---
RuntimeError Traceback (most recent call
last)
...
RuntimeError: Unable to start maxima
So, I guess I need to fix this first (how I don't know). right?
---Alex
On Mar 5, 4:13 am, Dan Drake dr...@kaist.edu wrote:
On Wed, 04 Mar 2009 at 10:08PM -0800, Craig Citro wrote:
Do you know the sagetex package? I followed the directions to use the
sagetex package, without successful. I tried with the example and I
got the following messages:
Honestly, I've never used sagetex myself -- I hear it's really cool.
Dan Drake is the man to ask -- I'm pretty sure he reads sage-support,
He not only reads sage-support, but occasionally refers to himself in
the third person...
As for your question:
On Wed, 04 Mar 2009 at 10:35PM -0800, Alex Lara wrote:
I was trying to use the sagetex package unsuccessfully. I tried with
example.tex.
After I start running sage example.tex I got the following messages:
Processing Sage code for example.tex...
Inline formula 0
Inline formula 1
Inline formula 2
Inline formula 3
Code block begin...
Error in Sage code on line 33 of example.tex! Traceback follows.
Traceback (most recent call last):
.
.
.
raise RuntimeError, Unable to start %s%self.__name
RuntimeError: Unable to start maxima
This is a problem with Sage, not SageTeX. For some reason, Sage can't
start Maxima. What happens if you start Sage normally and try to do some
calculus?
Dan
--
--- Dan Drake dr...@kaist.edu
- KAIST Department of Mathematical Sciences
--- http://mathsci.kaist.ac.kr/~drake
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[sage-support] Re: Problems using sagetex package
Hi Drake,
I didn't work. I have to versions of sage (3.1.1 and 3.2.3) running on
my laptop. Really I don't have any clue of what's happening.
---Alex.
On Mar 5, 4:03 pm, Dan Drake dr...@kaist.edu wrote:
On Thu, 05 Mar 2009 at 05:44AM -0800, Alex Lara wrote:
Hi Dan,
You are totally right. The problem is that Sage can't start maxima.
Here is part of the output when I typed
sage: var('x k w')
(x, k, w)
sage: f = x^3 * e^(k*x) * sin(w*x); f
---
RuntimeError Traceback (most recent call
last)
...
RuntimeError: Unable to start maxima
So, I guess I need to fix this first (how I don't know). right?
I'm not quite sure what to do, but an obvious first step is to try
reinstalling the Maxima spkg. Try
sage -fhttp://sagemath.org/packages/standard/maxima-5.16.3.spkg
and see if that fixes things.
Dan
--
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- KAIST Department of Mathematical Sciences
--- http://mathsci.kaist.ac.kr/~drake
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[sage-support] Re: Problems using sagetex package
Hi Marshall
I'm using Ubuntu 8.04, in a laptop Dell inspiron 1420. I installed
from source. I have 3.1.1. and 3.2.3. I was checking, maxima does not
work at all. I can't do a simple example like:
sage: x = var('x')
sage: solve(x^2 + 3*x + 2, x)
---Alex
On Mar 5, 9:38 pm, Marshall Hampton hampto...@gmail.com wrote:
What operating system and type of computer are you using? Did you
install from source or with a binary?
-M. Hampton
On Mar 5, 9:42 pm, Alex Lara lrodr...@gmail.com wrote:
Hi Drake,
I didn't work. I have to versions of sage (3.1.1 and 3.2.3) running on
my laptop. Really I don't have any clue of what's happening.
---Alex.
On Mar 5, 4:03 pm, Dan Drake dr...@kaist.edu wrote:
On Thu, 05 Mar 2009 at 05:44AM -0800, Alex Lara wrote:
Hi Dan,
You are totally right. The problem is that Sage can't start maxima.
Here is part of the output when I typed
sage: var('x k w')
(x, k, w)
sage: f = x^3 * e^(k*x) * sin(w*x); f
---
RuntimeError Traceback (most recent call
last)
...
RuntimeError: Unable to start maxima
So, I guess I need to fix this first (how I don't know). right?
I'm not quite sure what to do, but an obvious first step is to try
reinstalling the Maxima spkg. Try
sage -fhttp://sagemath.org/packages/standard/maxima-5.16.3.spkg
and see if that fixes things.
Dan
--
--- Dan Drake dr...@kaist.edu
- KAIST Department of Mathematical Sciences
--- http://mathsci.kaist.ac.kr/~drake
signature.asc
1KViewDownload
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[sage-support] Re: Problems using sagetex package
On Mar 5, 11:13 pm, Mike Hansen mhan...@gmail.com wrote:
Hi Alex,
On Thu, Mar 5, 2009 at 9:37 PM, Alex Lara lrodr...@gmail.com wrote:
Hi Marshall
I'm using Ubuntu 8.04, in a laptop Dell inspiron 1420. I installed
from source. I have 3.1.1. and 3.2.3. I was checking, maxima does not
work at all. I can't do a simple example like:
sage: x = var('x')
sage: solve(x^2 + 3*x + 2, x)
What do you get when you run sage -maxima?
--Mike
I got this:
*** - invalid byte #xC3 in CHARSET:ASCII conversion
Break 1 [4]
---alex
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[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
Hi cc,
Every thing works ok. I already did a proof with one object and there
was no problem. There was no DeprecationWarning.
Thanks a lot, you're a genius man.
I'll abuse of your amability, and ask a new question. Please, if you
do not have time, don't worry. I know you are very busy with your
thesis (I am too, so I understand)
Do you know the sagetex package? I followed the directions to use the
sagetex package, without successful. I tried with the example and I
got the following messages:
RuntimeError: Unable to start maxima
Running Sage on example.sage failed! Fix example.tex and try
again.
Thanks,
---Alex
On Mar 3, 6:02 pm, Craig Citro craigci...@gmail.com wrote:
Hi Alex,
All the objects have the same general shape as the one posted. The
option (2) it is ok. I do not want you spend much time with my
problem.
Excellent -- (2) was definitely the easier plan for me. :) I've posted
a patch here:
http://sage.math.washington.edu/home/craigcitro/fix-frac-pickle-3.1.1...
So here are the steps you need to take to use this (I'm happy to
explain any of these in more detail, if you want):
1. Build sage-3.1.1 on your machine. It's
here:http://sage.math.washington.edu/sage/src/sage-3.1.1.tar
2. In your sage-3.1.1 build directory, type: ./sage -clone pickle
3. From that same directory: cd devel/sage-pickle
4. Copy the above patch file into that directory, and type: hg patch
fix-frac-pickle-3.1.1.patch
5. cd ../..
6. ./sage -br
You should now be running a copy of sage 3.1.1 with the patch applied.
Then you can just update the pickles like this:
sage: foo = load('test.sobj')
sage: save(foo, 'test2.sobj')
or even
sage: save(load('test.sobj'), 'test-new.sobj')
where it's going to look for the patches in the sage-3.1.1 directory.
(Of course, you could just run the copy of 3.1.1 you've built from
anywhere by giving the full path.) In fact, if you have a bunch of
files in the same directory, you could just do something like:
sage: for name in ['file1', 'file2', 'file3']:
...: save(load(name + '.sobj'), name + '-new.sobj')
and that should work. It takes a few seconds for each pickle, but it
seems to work for me.
Now, the new pickles you produce will load just fine in sage 3.2.3 (or
at least, they did for me) -- however, they'll still give you a
DeprecationWarning when you load them. You can ignore this, or just
load and re-save them again in sage 3.2.3.
Let me know if you run into any trouble ...
-cc
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[sage-support] Problems using sagetex package
Hi there, I was trying to use the sagetex package unsuccessfully. I tried with example.tex. After I start running sage example.tex I got the following messages: Processing Sage code for example.tex... Inline formula 0 Inline formula 1 Inline formula 2 Inline formula 3 Code block begin... Error in Sage code on line 33 of example.tex! Traceback follows. Traceback (most recent call last): . . . raise RuntimeError, Unable to start %s%self.__name RuntimeError: Unable to start maxima Running Sage on example.sage failed! Fix example.tex and try again. . . - Somebody know how to fix this? Thanks, ---Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
Hi Craig, Thanks for explanation, it was clear. Now I have six files, but the program is still running and will generate more files. So, I would love you can explain me how to fix the problem. Thanks, Alex On 1 mar, 23:41, Craig Citro craigci...@gmail.com wrote: From command line of Sage 3.1.1, I saved some object, and then I could open it with sage 3.2.3. Next I open test.sobj (this was created by a sage program) in sage 3.1.1, saved it again, and when I tried to open it on sage 3.2.3. Here you will find that object:http://math.arizona.edu/~alara/test.sobj Alex Thanks. I'll take a look at it. I've also CC'd Craig Citro who most likely knows what is going on here. --Mike Hi Alex, Yeah, this one is going to be a little bit annoying to fix. Here's what's going on: in between 3.1.1 and 3.2.3, fraction fields got moved over to the new coercion model. This is good, but as it happens, the switch was done in such a way that it caused the pre-existing pickles to not load correctly (which is exactly what you're seeing). There's probably a clean and classy way to fix this, and I'll be happy to look at it carefully in a few weeks if no one beats me to it (I'm busy trying to finish up my thesis). This is now trac #5419. In the interim, you probably want to hack something together so that you can load your pickles. I managed to make sage 3.2.3 load the pickles, but it's a pretty ugly hack, and you'll still need to re-save the objects as newer pickles (which actually has one or two more wrinkles), so that you don't have to deal with this in the short term. How many of these files are there? If it's just a few, e-mail them to me off-list, and I'll just re-pickle them in a newer format and send them back to you. If there are more than that, I'll carefully explain how you can fix them yourself. :) -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
Hey Craig, I have 3.2.3 in my laptop, but I use the machines of the University (which have 3.1.1) to do computations that take long time. ---Alex On 2 mar, 11:19, Craig Citro craigci...@gmail.com wrote: Ah, does this mean you have a running copy of 3.1.1 still? Because I think it'll be easier to give you a patch against 3.1.1 than a patch against 3.2.3 ... -cc On Mon, Mar 2, 2009 at 10:06 AM, Alex Lara lrodr...@gmail.com wrote: Hi Craig, Thanks for explanation, it was clear. Now I have six files, but the program is still running and will generate more files. So, I would love you can explain me how to fix the problem. Thanks, Alex On 1 mar, 23:41, Craig Citro craigci...@gmail.com wrote: From command line of Sage 3.1.1, I saved some object, and then I could open it with sage 3.2.3. Next I open test.sobj (this was created by a sage program) in sage 3.1.1, saved it again, and when I tried to open it on sage 3.2.3. Here you will find that object:http://math.arizona.edu/~alara/test.sobj Alex Thanks. I'll take a look at it. I've also CC'd Craig Citro who most likely knows what is going on here. --Mike Hi Alex, Yeah, this one is going to be a little bit annoying to fix. Here's what's going on: in between 3.1.1 and 3.2.3, fraction fields got moved over to the new coercion model. This is good, but as it happens, the switch was done in such a way that it caused the pre-existing pickles to not load correctly (which is exactly what you're seeing). There's probably a clean and classy way to fix this, and I'll be happy to look at it carefully in a few weeks if no one beats me to it (I'm busy trying to finish up my thesis). This is now trac #5419. In the interim, you probably want to hack something together so that you can load your pickles. I managed to make sage 3.2.3 load the pickles, but it's a pretty ugly hack, and you'll still need to re-save the objects as newer pickles (which actually has one or two more wrinkles), so that you don't have to deal with this in the short term. How many of these files are there? If it's just a few, e-mail them to me off-list, and I'll just re-pickle them in a newer format and send them back to you. If there are more than that, I'll carefully explain how you can fix them yourself. :) -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
Hi cc, All the objects have the same general shape as the one posted. The option (2) it is ok. I do not want you spend much time with my problem. Alex On 2 mar, 12:21, Craig Citro craigci...@gmail.com wrote: Hi Alex, Well, I have one question first before deciding the right way to proceed. Are all the objects you're creating the same general shape as the ones in the test.sobj you posted -- collections of polynomials over rational function fields in one variable over finite fields? If so, then we have two options; if not, we probably only have option (2). (1) We can patch 3.2.3, so you can load the objects in 3.2.3. I'll then write a function that will take the objects, recreate corresponding objects in 3.2.3, coerce the old ones over, and re-save them. This isn't so bad, but it depends on me knowing exactly what kind of objects you've got. It's slightly more error-prone, I think. (2) We build and patch 3.1.1, and you just load and save each object. Then they should load fine in 3.2.3. Which seems better to you? (I think (2) is slightly easier for me, but nominally more work for you -- you have to build 3.1.1 on your laptop.) -cc On Mon, Mar 2, 2009 at 10:32 AM, Alex Lara lrodr...@gmail.com wrote: Hey Craig, I have 3.2.3 in my laptop, but I use the machines of the University (which have 3.1.1) to do computations that take long time. ---Alex On 2 mar, 11:19, Craig Citro craigci...@gmail.com wrote: Ah, does this mean you have a running copy of 3.1.1 still? Because I think it'll be easier to give you a patch against 3.1.1 than a patch against 3.2.3 ... -cc On Mon, Mar 2, 2009 at 10:06 AM, Alex Lara lrodr...@gmail.com wrote: Hi Craig, Thanks for explanation, it was clear. Now I have six files, but the program is still running and will generate more files. So, I would love you can explain me how to fix the problem. Thanks, Alex On 1 mar, 23:41, Craig Citro craigci...@gmail.com wrote: From command line of Sage 3.1.1, I saved some object, and then I could open it with sage 3.2.3. Next I open test.sobj (this was created by a sage program) in sage 3.1.1, saved it again, and when I tried to open it on sage 3.2.3. Here you will find that object:http://math.arizona.edu/~alara/test.sobj Alex Thanks. I'll take a look at it. I've also CC'd Craig Citro who most likely knows what is going on here. --Mike Hi Alex, Yeah, this one is going to be a little bit annoying to fix. Here's what's going on: in between 3.1.1 and 3.2.3, fraction fields got moved over to the new coercion model. This is good, but as it happens, the switch was done in such a way that it caused the pre-existing pickles to not load correctly (which is exactly what you're seeing). There's probably a clean and classy way to fix this, and I'll be happy to look at it carefully in a few weeks if no one beats me to it (I'm busy trying to finish up my thesis). This is now trac #5419. In the interim, you probably want to hack something together so that you can load your pickles. I managed to make sage 3.2.3 load the pickles, but it's a pretty ugly hack, and you'll still need to re-save the objects as newer pickles (which actually has one or two more wrinkles), so that you don't have to deal with this in the short term. How many of these files are there? If it's just a few, e-mail them to me off-list, and I'll just re-pickle them in a newer format and send them back to you. If there are more than that, I'll carefully explain how you can fix them yourself. :) -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
Hi cc, All the objects have the same general shape as the one posted. The option (2) it is ok. I do not want you spend much time with my problem. Alex On 2 mar, 12:21, Craig Citro craigci...@gmail.com wrote: Hi Alex, Well, I have one question first before deciding the right way to proceed. Are all the objects you're creating the same general shape as the ones in the test.sobj you posted -- collections of polynomials over rational function fields in one variable over finite fields? If so, then we have two options; if not, we probably only have option (2). (1) We can patch 3.2.3, so you can load the objects in 3.2.3. I'll then write a function that will take the objects, recreate corresponding objects in 3.2.3, coerce the old ones over, and re-save them. This isn't so bad, but it depends on me knowing exactly what kind of objects you've got. It's slightly more error-prone, I think. (2) We build and patch 3.1.1, and you just load and save each object. Then they should load fine in 3.2.3. Which seems better to you? (I think (2) is slightly easier for me, but nominally more work for you -- you have to build 3.1.1 on your laptop.) -cc On Mon, Mar 2, 2009 at 10:32 AM, Alex Lara lrodr...@gmail.com wrote: Hey Craig, I have 3.2.3 in my laptop, but I use the machines of the University (which have 3.1.1) to do computations that take long time. ---Alex On 2 mar, 11:19, Craig Citro craigci...@gmail.com wrote: Ah, does this mean you have a running copy of 3.1.1 still? Because I think it'll be easier to give you a patch against 3.1.1 than a patch against 3.2.3 ... -cc On Mon, Mar 2, 2009 at 10:06 AM, Alex Lara lrodr...@gmail.com wrote: Hi Craig, Thanks for explanation, it was clear. Now I have six files, but the program is still running and will generate more files. So, I would love you can explain me how to fix the problem. Thanks, Alex On 1 mar, 23:41, Craig Citro craigci...@gmail.com wrote: From command line of Sage 3.1.1, I saved some object, and then I could open it with sage 3.2.3. Next I open test.sobj (this was created by a sage program) in sage 3.1.1, saved it again, and when I tried to open it on sage 3.2.3. Here you will find that object:http://math.arizona.edu/~alara/test.sobj Alex Thanks. I'll take a look at it. I've also CC'd Craig Citro who most likely knows what is going on here. --Mike Hi Alex, Yeah, this one is going to be a little bit annoying to fix. Here's what's going on: in between 3.1.1 and 3.2.3, fraction fields got moved over to the new coercion model. This is good, but as it happens, the switch was done in such a way that it caused the pre-existing pickles to not load correctly (which is exactly what you're seeing). There's probably a clean and classy way to fix this, and I'll be happy to look at it carefully in a few weeks if no one beats me to it (I'm busy trying to finish up my thesis). This is now trac #5419. In the interim, you probably want to hack something together so that you can load your pickles. I managed to make sage 3.2.3 load the pickles, but it's a pretty ugly hack, and you'll still need to re-save the objects as newer pickles (which actually has one or two more wrinkles), so that you don't have to deal with this in the short term. How many of these files are there? If it's just a few, e-mail them to me off-list, and I'll just re-pickle them in a newer format and send them back to you. If there are more than that, I'll carefully explain how you can fix them yourself. :) -cc --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
I'm using Sage 3.2.3. I can't load objects created and saved with Sage 3.1.1. I got the following message: DeprecationWarning: Your data is stored in an old format. Please use the save() function to store your data in a more recent format. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1
From command line of Sage 3.1.1, I saved some object, and then I could open it with sage 3.2.3. Next I open test.sobj (this was created by a sage program) in sage 3.1.1, saved it again, and when I tried to open it on sage 3.2.3. Here you will find that object: http://math.arizona.edu/~alara/test.sobj Alex On 1 mar, 09:34, Mike Hansen mhan...@gmail.com wrote: Hi Alex, On Sun, Mar 1, 2009 at 8:20 AM, Alex Lara lrodr...@gmail.com wrote: I'm using Sage 3.2.3. I can't load objects created and saved with Sage 3.1.1. I got the following message: DeprecationWarning: Your data is stored in an old format. Please use the save() function to store your data in a more recent format. They should still load. The warning just tells you that the format has changed so you should resave them to get the new format. If they don't actually load, could you please post a link to one of the .sobj files? --Mike --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~--~~~~--~~--~--~---
