[sage-devel] Re: Project

2008-04-21 Thread Robert Dodier
). I have attempted to resolve this by converting questions into conditional expressions e.g. Is x positive, negative, or zero? = if x 0 then ... elseif x 0 then ... else It sort of works but there are difficulties. If anyone wants to work on it with me, I'd be glad to have the help. Robert

[sage-devel] Re: Project

2008-04-22 Thread Robert Dodier
not. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http

[sage-devel] Re: Maxima Errors

2009-06-26 Thread Robert Dodier
of memory on problems which other implementations can run to completion. So maybe switching the Lisp implementation can help, but, I'll guess, not GCL. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Re: Implementation of Zeilberger and similar algorthms?

2009-07-02 Thread Robert Dodier
-to articles refer only to the simpsum flag, which handles relatively simple cases.) FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr

[sage-devel] Re: Implementation of Zeilberger and similar algorthms?

2009-07-07 Thread Robert Dodier
thinking on my part? FYI the Maxima 5.19 branch is scheduled for Aug 1 with an official release later in the month. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email

[sage-devel] Re: Sage organizational structure, AWOL people

2009-07-30 Thread Robert Dodier
have any trouble figuring out what to do, and, I guess, neither do the other participants. We get a lot of work done. It's a great project. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: Patches for building Maxima with ECL

2009-08-03 Thread Robert Dodier
. Well done! I'll try the patch if all goes well I'll commit it. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more

[sage-devel] Re: What do we do about the Maxima / ecl / Solaris issues?

2009-08-03 Thread Robert Dodier
Juanjo Garcia and commit them before the branch if they work. FWIW the current schedule is 3 releases per year, April, August, December. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: [Maxima] Patches for building Maxima with ECL

2009-08-03 Thread Robert Dodier
and if they work OK then I'll commit them for Maxima 5.19. Or if anyone would like to commit the patches then please go ahead. 8^) best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: What do we do about the Maxima / ecl / Solaris issues?

2009-08-03 Thread Robert Dodier
stabilizes after 2 or 3 releases, which takes 2 or 3 weeks. Probably by the end of August we'll have a stable release. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email

[sage-devel] Re: New ECL is released - a few issues to consider.

2009-08-08 Thread Robert Dodier
advice is to pull RELEASE-5_19-BRANCH since upcoming releases (RSN) will, I hope, differ only minimally from whatever you get. Some of the bugs mentioned might have been fixed already, I haven't checked. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group

[sage-devel] Re: New ECL is released - a few issues to consider.

2009-08-08 Thread Robert Dodier
a new directory named maxima in the current working directory). I'm planning to tag Maxima 5.19.0 and create tar.gz and rpms so maybe that obviates the need for CVS. Be advised it's likely there will be a few more 5.19.xx releases. HTH Robert Dodier

[sage-devel] Re: New ECL is released - a few issues to consider.

2009-08-08 Thread Robert Dodier
I have tagged version-5_19_0 in CVS and created tar.gz and rpms and uploaded them to SF. See: http://sourceforge.net/projects/maxima/files/ Likely there will be 5.19.1 and maybe .2 later this month. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group

[sage-devel] Re: [Maxima] Possible problem with elliptic_eu in Maxima 5.19.0

2009-08-09 Thread Robert Dodier
elliptic_e problem, my first guess is that ECL calls C libraries which yield different results. The above was generated on Solaris, right? Maybe someone can try it on other systems. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel

Re: [Maxima] [sage-devel] Doctest failure solving an equation solve(Q*sqrt(Q^2 + 2) - 1, Q)

2009-08-09 Thread Robert Dodier
and topoly_solver.mac. I don't know what the difference is, or whether both are needed. If topoly_solver isn't needed, we should axe it. If it's needed, we should rename it. Barton? best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel

Re: [Maxima] [sage-devel] Doctest failure solving an equation solve(Q*sqrt(Q^2 + 2) - 1, Q)

2009-08-09 Thread Robert Dodier
(2)+1)]) Unfortunately this isn't right either. The first solution is spurious, isn't it? float(subst(q = -1/sqrt(1-sqrt(2)), q*sqrt(q^2+2)-1)) = - 1.999 Thanks for your help Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email

[sage-devel] Re: [Ecls-list] How might this elliptic_e issue on SPARC hardware with ECL be debugged?

2009-08-10 Thread Robert Dodier
that Maxima is using. The code in question is function ELLIPTIC-E in maxima/src/ellipt.lisp. (Note that there are several similarly-named functions in there, so be careful.) Thanks for your help, Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send

[sage-devel] Re: How might this elliptic_e issue on SPARC hardware with ECL be debugged?

2009-08-10 Thread Robert Dodier
more about options. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http

[sage-devel] Re: Test failures with sage-4.1.1.rc0 with Maxima 5.19.0

2009-08-11 Thread Robert Dodier
archive for the story --- search for eigenvector patch or something like that. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr

[sage-devel] Re: units

2009-08-11 Thread Robert Dodier
with units and other properties * derivative and integral of quantity + units via pattern matching (still working on this one) ?? ezunits and ?? physical_quantities finds the documentation. demo(ezunits) shows some examples. Maybe a Sage units package could do something similar. FWIW Robert

[sage-devel] Re: units

2009-08-12 Thread Robert Dodier
) (2) concise notation (3) conventional abbreviations (4) conventional capitalization Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr

[sage-devel] Re: units

2009-08-12 Thread Robert Dodier
William Stein wrote: suggested doing almost precisely what Robert Dodier keeps telling us to do, which is make the different units just be symbolic variables, Well, in addition to implementing units as symbols, it greatly simplifies the whole business to keep the units separate from

[sage-devel] Re: units

2009-08-12 Thread Robert Dodier
); in a recent Maxima release (5.19 if you have it) and tell me if you still prefer Mathematica. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel

[sage-devel] Re: units

2009-08-12 Thread Robert Dodier
. That's a good argument for separating units from quantities in an expression. Then you can tell without ambiguity which symbols are supposed to be units. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com

[sage-devel] Re: Serious bug in integral using Maxima?

2009-08-19 Thread Robert Dodier
should apply such an identity, only that Sage should not prevent the user from applying it. I agree that Maxima's result for integrate(f(x), x^2) is spurious. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com

[sage-devel] Re: Using MPIR or GMP with multiple memory managers

2009-08-23 Thread Robert Dodier
, and you can ignore (2). I mention here that I'd like help on (1) and (2) because it's of interest mostly to outsiders; within Maxima it doesn't make much difference. Hope this helps in some way. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email

[sage-devel] Re: Using MPIR or GMP with multiple memory managers

2009-08-23 Thread Robert Dodier
that adding numbers is an important enough special case that some effort could be spent trying to speed it up. But most of the fun is in symbolic stuff, so that's probably why it hasn't been done yet. Not sure in this case whether the parser or simplifier dominates. Robert Dodier -- do you have any

[sage-devel] Re: Using MPIR or GMP with multiple memory managers

2009-08-24 Thread Robert Dodier
message. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com

[sage-devel] Re: Using MPIR or GMP with multiple memory managers

2009-08-24 Thread Robert Dodier
(elapsed_real_time()); in your script and load(myscript.mac); (parses and evaluates all the stuff in the script but doesn't create labels). HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: Using MPIR or GMP with multiple memory managers

2009-08-24 Thread Robert Dodier
On Aug 24, 2:11 pm, Nils Bruin nbr...@sfu.ca wrote: On Aug 24, 7:55 am, Robert Dodier robert.dod...@gmail.com wrote: The #$ macro constructs a string input stream and eventually calls ADD-LINEINFO so it suffers from the bug I mentioned in a previous message. The $NOLABELS variable

[sage-devel] Re: Dangerous mixing of different domains for symbolic variables

2009-09-02 Thread Robert Dodier
)). I think domain:complex won't have the same effect. Maybe Sage is already calling declare. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel

[sage-devel] Re: Prototype library interface with Maxima/ECL

2009-09-05 Thread Robert Dodier
/exec. I think ECL has those and other POSIX-ish functions. Dunno if they work on Windows, if they exist. Thanks for your work on the Maxima/ECL/Sage combo. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com

[sage-devel] Re: Sage, Maxima, Lisp

2008-04-23 Thread Robert Dodier
and then Python could (I guess) be used as the user language for Maxima. I would be interested to see what that's like. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email

[sage-devel] compiling Maxima by ECL

2008-04-26 Thread Robert Dodier
luck is better. FWIW HTH. Robert Dodier Maxima developer --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http

[sage-devel] Maxima + ECL status

2008-05-16 Thread Robert Dodier
it is going to be a long haul, and I'm not sure I want to do it by myself. Of course, no one is obligated to help. So: is anyone working on Maxima + ECL ? Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com

[sage-devel] progress on Maxima + ECL

2008-05-22 Thread Robert Dodier
helpful. If someone can fix the compilation problems, that would be even better. Please direct followups to the ECL mailing list. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group

[sage-devel] Re: Maxima license GPL v.3 or later?

2008-06-01 Thread Robert Dodier
under which relicensing is possible, I'd like to hear about it. But from what I can tell, a decision amongst the current developers isn't enough. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com

[sage-devel] Re: Maxima license GPL v.3 or later?

2008-06-01 Thread Robert Dodier
. to exclude certain versions). But since v3 is among any version ever published it seems like the use of Maxima in Sage is OK. Yes/no/maybe ? best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Re: [Maxima] [sage-devel] Re: Maxima license GPL v.3 or later?

2008-06-02 Thread Robert Dodier
the others, I guess we will have to identify them and negotiate with each author. I've been meaning for a long time to do a license review sweep through all of the share stuff --- maybe now is as good a time as any. best Robert Dodier --~--~-~--~~~---~--~~ To post

[sage-devel] Re: [Maxima] [sage-devel] Re: Maxima license GPL v.3 or later?

2008-06-03 Thread Robert Dodier
On 6/3/08, Jaime Villate [EMAIL PROTECTED] wrote: so we can continue to develop Maxima as his original author intended to? I will point out that current developers are on much firmer ground if they consider what Bill Schelter did, as opposed to what he was thinking. FWIW Robert Dodier

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

2008-06-18 Thread Robert Dodier
! Sage is a great project and it was terrific to meet William Stein and everyone else. Many thanks to William for the invitation. I look forward to further collaboration. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel

[sage-devel] test suites, was: presentation about Maxima at Sage developer days

2008-06-21 Thread Robert Dodier
for and received permission from him to release it under terms of GPL and it is now in Maxima CVS. Wester has test scripts for several programs; Maxima CVS only contains the Macsyma test scripts. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage

[sage-devel] Re: working on Sage

2008-07-08 Thread Robert Dodier
appreciate any help on it. Also part of the problem is that the assume system in Maxima is not very strong, and it has bugs. We could use some help on that too. I think I;ve made this appeal before --- I'm just trying to take advantage of the momentary attention to this problem. best Robert Dodier

[sage-devel] Re: how to handle assumptions

2008-07-09 Thread Robert Dodier
. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http

[sage-devel] Re: how to handle assumptions

2008-07-09 Thread Robert Dodier
each result is applicable. Did I miss something? It appears that the ascii art display shows something different from the TeX display. Maybe they're equivalent, I can't tell. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel

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

2008-07-13 Thread Robert Dodier
, it's outdated and i think totally wrong. Aside from being out of date, what's wrong with it? curiously Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL

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

2008-07-20 Thread Robert Dodier
next month. Anyway maybe this is some use or interest. Comments on the CVS version are much appreciated. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL

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

2008-07-21 Thread Robert Dodier
particularly cool, surprising or clever involving units? I have looked around to see what Maple and Mathematica have in the way of units, but from what I have seen, there is nothing very exciting. Which is OK --- something boring which just works right would be very useful. FWIW Robert Dodier

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

2008-07-21 Thread Robert Dodier
. Undecided at this point. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage

[sage-devel] Re: Why lim goes wrong

2008-08-21 Thread Robert Dodier
) (No questions asked.) We can probably thank Dan Gildea for this, as he has done a lot of extremely valuable bug-fixing work on Maxima. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group

[sage-devel] Re: Fwd: axiom

2008-08-21 Thread Robert Dodier
looked into the details. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage

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

2008-08-21 Thread Robert Dodier
rather than reinventing its wheels. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http

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

2008-08-22 Thread Robert Dodier
? What's the benefit of parsing a string? Aside from the w00t-factor. Incidentally Maxima has mostly the same set of expression- mogrification operators, expressed as function calls. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage

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

2008-08-25 Thread Robert Dodier
useful expression hacking without writing new code for Sage. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group

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

2008-08-25 Thread Robert Dodier
to providing the input in a form that would be accepted by the gsl solver, or scipy. Yes. I believe a combination of symbolic and numerical problem solving is very powerful. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel

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

2008-08-25 Thread Robert Dodier
Tim Lahey wrote: I presume that Sage can't take a derivative with respect to a function (Maple can't which is why this code is written this way). By the way, what do you mean by that? What is the operation that you would like to do, but fails? Thanks for the info. Robert Dodier

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

2008-08-25 Thread Robert Dodier
mechanics in Maxima. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel

[sage-devel] Re: limit evaluation bug

2008-09-18 Thread Robert Dodier
. Maybe it does already. If someone can post a bug report to the Maxima bug tracker for this problem, that would be great. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send

[sage-devel] Re: Why Sage needs var(...) commands unlike Mathematica?

2008-11-02 Thread Robert Dodier
switching into the you're-a-moron mode. (3) The answer to the o.p.'s question isn't in the tutorial or reference manual. Yes, I looked. Did you? I didn't think so. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com

[sage-devel] Re: Why Sage needs var(...) commands unlike Mathematica?

2008-11-02 Thread Robert Dodier
from various other packages, not just Mathematica. Some explanation should go in the documentation for var itself as well. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send

[sage-devel] Re: Why Sage needs var(...) commands unlike Mathematica?

2008-11-03 Thread Robert Dodier
that?) Then you could (I guess) detect undefined variables without causing side-effects from any part of the input. Just a guess -- I'm no expert on Python. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Re: yet another talk on Sage

2008-11-05 Thread Robert Dodier
, just as for trivial programs, it is a good idea to state the license terms. You never know what's going to happen to the stuff you create. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] calling symbolic expressions, was: Why Sage needs var(...) commands unlike Mathematica?

2008-11-05 Thread Robert Dodier
function evaluation until additional context is supplied. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http

[sage-devel] Re: calling symbolic expressions, was: Why Sage needs var(...) commands unlike Mathematica?

2008-11-06 Thread Robert Dodier
. I say this after encountering various convenience hacks in Maxima, which, lo, these many decades on, are very hard to banish. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group

[sage-devel] Re: Vote for ecl/boehmgc and removal of clisp

2008-11-24 Thread Robert Dodier
target. For the record, there will be the now-usual December release of Maxima next month, to be followed by another April, etc. Thanks a lot for your work on Maxima + ECL. I know that's only a tiny fraction of all the work you do. FWIW Robert Dodier

[sage-devel] Re: A simpler SAGE?

2008-11-24 Thread Robert Dodier
/relatedprojects.html Even if you end up using Sage, you might get some ideas there. Hope this helps Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more

[sage-devel] Re: Expected value of probability space

2008-12-02 Thread Robert Dodier
know what that is in Sage) and into some subclass which can guarantee the operation succeeds. Just a thought. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL

[sage-devel] Re: [Maxima] slowness is repeated Maxima evaluations?

2008-12-06 Thread Robert Dodier
the question haven't messed up something. Robert Dodier PS. $ maxima --batch sage_fourier_helper.mac 1 1.out 2 2.out $ tail 1.out $ cat sage_fourier.mac fc_all(n):=fc_ab(-1,n,-%pi,(-%pi)/2)+fc_ab(2,n,-%pi/2,0) +fc_ab(-1,n,0,%pi/2)+fc_ab(2,n,%pi/2,%pi)$ fc_ab(e,n,a,b):=if n = 0

[sage-devel] Re: Cosine Integral and Sine Integral?

2008-12-07 Thread Robert Dodier
a tremendous amount of work on integration and special functions in Maxima. best Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit

[sage-devel] build recipe for Maxima in Sage?

2008-12-07 Thread Robert Dodier
. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http

[sage-devel] Re: build recipe for Maxima in Sage?

2008-12-08 Thread Robert Dodier
mabshoff wrote: There is no such thing in Sage, all the experiments were done without Sage, i.e. build ecl and then Maxima. OK. Btw, what mechanism did you use to build Maxima? ASDF or defsystem or ?? best Robert Dodier --~--~-~--~~~---~--~~ To post

[sage-devel] Re: Behavior of solve

2009-10-01 Thread Robert Dodier
the alternatives and re-evaluate under each alternative. That way it's not necessary to change the code at all of the places at which questions are generated. I considered that also and decided against it. If anyone is interested, I would very much appreciate your help. FWIW Robert Dodier

[sage-devel] Re: finding arclength around a circle hangs maxima

2009-10-16 Thread Robert Dodier
On Oct 16, 2:23 pm, Jason Grout jason-s...@creativetrax.com wrote: I'm not on their list. I hope Robert Dodier or someone else sees this. Probably it's best to submit Maxima bugs to the bug tracker. http://sourceforge.net/tracker/?func=browsegroup_id=4933atid=104933 FWIW Robert Dodier

[sage-devel] Re: Can Sage solve inequalities?

2009-10-17 Thread Robert Dodier
to answer questions posted to the mailing list. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit

[sage-devel] Re: Building Maxima (on ECL) on Itanium

2009-10-24 Thread Robert Dodier
. That should fail with a more informative message. If you don't have a working version, try reverting clmacs.lisp. I don't know how far back you'll have to go. Sorry I can't be more helpful, Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send an email

[sage-devel] Re: maxima: too many contexts

2009-12-03 Thread Robert Dodier
(I get a list of values from ufourn). I can post a session log later if there is interest. Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit

[sage-devel] Re: maxima: too many contexts

2009-12-03 Thread Robert Dodier
. Too many contexts has been an indication of some kind of bug every time I've seen it. best Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit

[sage-devel] Re: [Maxima] Maxima stats huge numbers of files at startup?

2009-12-10 Thread Robert Dodier
that is anywhere near the problem of the NFS stat calls, but it does seem inefficient. Well, when I try it, I see sysfun.lsp being read in blocks of 8 K. Dunno why it would try to read it one byte at a time. Maybe ECL tried to determine a suitable block size and failed? Just a guess. FWIW Robert

[sage-devel] ECL reads sysfun.lsp one byte at a time, was: Maxima stats huge numbers of files at startup?

2009-12-12 Thread Robert Dodier
on. Not really so much of a problem, but it is a curiosity. FWIW Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com

[sage-devel] Re: [Maxima] Maxima stats huge numbers of files at startup?

2009-12-15 Thread Robert Dodier
/share/) So far so good (%i1) :lisp (share-subdir-list) Maxima encountered a Lisp error:  The function SHARE-SUBDIR-LIST is undefined. Oops, it should be (share-subdirs-list) . Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: [Maxima] Maxima stats huge numbers of files at startup?

2009-12-15 Thread Robert Dodier
was searching all of / . Do you see Maxima looking in all of / in the calls to stat? If not, what do you get for the above steps if you run it on a system in which Maxima searches all of / ?? FWIW Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] announcement: Maxima 5.20

2009-12-20 Thread Robert Dodier
of topics. Regards, Robert Dodier Maxima developer and 5.20 release manager Project page: http://sourceforge.net/projects/maxima Documentation: http://maxima.sourceforge.net/documentation.html Bug reports. Please create a Sourceforge login before filing a bug report. http://sourceforge.net

[sage-devel] Re: licenses for sage-enhanced books to be eventually included in Sage

2010-01-05 Thread Robert Dodier
; in particular, I find the GFDL incomprehensible. FWIW Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group

[sage-devel] Re: weirdness in simplifying a symbolic expression

2010-01-15 Thread Robert Dodier
of code into testZeilberger.mac to kill off the variables d1, d2, f1, f2, f3 after they are used. Diff below. best Robert Dodier PS. --- share/contrib/Zeilberger/testZeilberger.mac 9 Feb 2007 22:32:34 - 1.4 +++ share/contrib/Zeilberger/testZeilberger.mac 15 Jan 2010 19:10:53 -

[sage-devel] Re: weirdness in simplifying a symbolic expression

2010-01-15 Thread Robert Dodier
, and I'll probably do so again; sorry for the repetition. As ever I wouldn't mind having some help to finish it, if only some complaints well, it would be more useful if it would do Y instead of X FWIW Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com

[sage-devel] Re: GR package

2010-02-04 Thread Robert Dodier
tensors and GR should be directed to the mailing list. max...@math.utexas.edu I don't know anything about tensors. FWIW Robert Dodier -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com

[sage-devel] Re: maxima replacing floats with rationals

2010-02-08 Thread Robert Dodier
. In the interest of getting predictable results I would advise to simply avoid keepfloat altogether. I don't really see the point of it; I haven't considered this too carefully, but I might be in favor of simply expunging it. Robert Dodier -- To post to this group, send an email to sage-devel

[sage-devel] Re: reduce

2009-01-03 Thread Robert Dodier
mabshoff wrote: Yes, but you can run Maxima on top of ecl, but the issue with asksign for example does not go away. I asked Robert Dodier about it at Dev1 and he seemed reluctant about this possibility. Hmm, what is this possibility ? I don't understand. Robert Dodier

[sage-devel] Maxima, ECL, asksign; was: Re: reduce

2009-01-04 Thread Robert Dodier
mabshoff wrote: On Jan 3, 11:27�am, Robert Dodier robert.dod...@gmail.com wrote: Hmm, what is this possibility ? I don't understand. I meant embedding Maxima into a library extensions via ecl. You stated to the best of my recollection that this would be troublesome due to asksign since

[sage-devel] Re: fricas release 1.0.5 package for sage

2009-01-27 Thread Robert Dodier
font, from what I can tell. HTH Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http

[sage-devel] Re: Integration syntax

2009-02-03 Thread Robert Dodier
out many details but the general point is that I think you guys (= Sage project) should aim high. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel

[sage-devel] Re: tab completion and function aliases cluttering the namespace

2009-02-09 Thread Robert Dodier
regex characters could be arithmetic operators, allowing any kind of regex syntax seems problematic.) Maybe Sage likewise could adopt a distinction between different kinds of search. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email

[sage-devel] Re: A laugh

2009-02-13 Thread Robert Dodier
a conditional expression instead of requiring user input. I'll be happy to collaborate with interested parties on a solution. Believe it or not, Maxima is not stuck in a time warp; progress is actually possible, when we stop carping and focus on solving problems instead. FWIW Robert Dodier

[sage-devel] Re: A laugh

2009-02-13 Thread Robert Dodier
keepfloat. Maxima would rather work in exact numbers FWIW. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options

[sage-devel] Re: [sage-combinat-devel] Cardinality of a set...

2009-02-26 Thread Robert Dodier
., cardinality) Agreed. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http

[sage-devel] Re: Integration Development

2009-03-07 Thread Robert Dodier
list about it. See: http://maxima.sourceforge.net/maximalist.html We would be glad to have your help. Robert Dodier Maxima developer --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email

[sage-devel] Re: Integration Development

2009-03-07 Thread Robert Dodier
constants are handled separately from symbolic constants in many cases. I don't know whether a unification is possible, or desirable, if possible. Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: SAGE possible improvement

2009-03-16 Thread Robert Dodier
the user, who has a better idea about what they want to accomplish than the package writer. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr

[sage-devel] Re: solving x*exp(-x)

2009-03-27 Thread Robert Dodier
on the Maxima mailing list. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http

[sage-devel] Re: syntax for creating symbolic functions

2009-03-29 Thread Robert Dodier
. FWIW Robert Dodier --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group

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