[sage-devel] Re: doctest failures due to rounding errors on Solaris.

2010-01-01 Thread TimDaly
>     That is to say, if the Sage > documentation says: > >    sage: foo(bar) >    1.2345 > > but in fact in Sage one has > >    sage: foo(bar) >    1.2351 > > then I would consider this misleading documentation, i.e., a bug. > Your statement above suggests that you *don't* consider this a bug at >

[sage-devel] Matlab to Python compiler

2009-11-22 Thread TimDaly
You might find this Matlab to Python compiler of interest: http://ompc.juricap.com/ -- 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.

[sage-devel] Re: Sage registered trademark

2009-11-02 Thread TimDaly
On Nov 2, 4:15 am, Ralf Hemmecke wrote: > > We will not be changing the name to MathTor. > > >  -- William > > Has someone already bothered to ask the people at one of the following > sites whether they intend to sue Sage (at sagemath.org) or rather its > leader in the future? > >    http://sag

[sage-devel] Re: experience with lulu

2009-09-14 Thread TimDaly
I published my Axiom book on Lulu. Absolutely minimum hassle. I uploaded a PDF and some cover artwork, ordered a copy and it arrived. I purchased the ISBN number which makes it somewhat harder to change but implies that Amazon will carry the book. I priced the book about $1 over the minimum cost,

[sage-devel] Re: log(x) versus ln(x)

2009-09-07 Thread TimDaly
I might suggest something like: http://axiom-developer.org/axiom-website/rosetta.html which was an attempt to provide a translation from system to system. Sage should probably consider a translator such as Rosetta('expression', 'sourcesystem', 'targetsystem') On Sep 7, 3:38 am, John Cremona w

[sage-devel] Re: log(x) versus ln(x)

2009-09-06 Thread TimDaly
> Unrelated question: What's up with Axiom development these days?    Is > there any sort of relatively recent status report?   I'm just > generally curious. This isn't an Axiom forum so I'll skip the details and just give pointers. Axiom is released every 2 months, the next one is the end of Se

[sage-devel] Re: log(x) versus ln(x)

2009-09-06 Thread TimDaly
by defining a macro: ln(x) ==> log(x) Are macros supported in Sage? On Aug 24, 11:09 pm, TimDaly wrote: > In the lectures on solid state chemistry, lecture 22 the plot is shown > as the ln(x), "the natural log"... in the open courseware from > MIT:http://www.yout

[sage-devel] Re: Factorial syntax

2009-08-31 Thread TimDaly
I also don't consider Fateman's comments flamebait. This kind of syntactic-philosopy discussion comes up frequently on CA mailing lists. I've had an offline discussion about supporting the quantum mechanical ket operator with the syntax of "|state>". One possible implementation is to consider th

[sage-devel] Re: log(x) versus ln(x)

2009-08-24 Thread TimDaly
In the lectures on solid state chemistry, lecture 22 the plot is shown as the ln(x), "the natural log"... in the open courseware from MIT: http://www.youtube.com/watch?v=TVuG75QH0kA&feature=SeriesPlayList&p=3B87AF6948F5E8F9&index=22 On Aug 24, 9:56 pm, William Stein wrote: > On Mon, Aug 24, 2009

[sage-devel] Python GIL lecture

2009-06-12 Thread TimDaly
This lecture discusses the global interpreter lock. He talks about python threading behavior, "ticks", task switching, signal handling, and a lot of useful things to know for python programmers. --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@

[sage-devel] Sage 10, Nancy France, Oct 10-15, 2008

2008-06-05 Thread TimDaly
Sage days 10 in Nancy (France) Announcement === October 10 to 15, 2008 at the Lorraine Laboratory of IT Research and its Applications (Loria) Sage is a python based software distribution that combines a large number of free and open sou

[sage-devel] Re: Coercion

2008-05-12 Thread TimDaly
If you're doing coercions you might find this paper of interest: Andreas Weber, "On Coherence in Computer Algebra" Journal of Symbolic Computation (1995) 19,25-38 On Apr 22, 4:24 am, Robert Bradshaw <[EMAIL PROTECTED]> wrote: > Sure. See you there. > > On Apr 22, 2008, at 12:50 AM, David Roe wro

[sage-devel] East Coast Computer Algebra Day

2008-04-21 Thread TimDaly
On Saturday, May 10, the next East Coast Computer Algebra Day is being held. The contributors to Sage might find it an interesting meeting. I know that Sage sent a student last year. Tim --~--~-~--~~~---~--~~ To post to this gr

[sage-devel] Re: Project

2008-04-20 Thread TimDaly
> After I posted about *my* intention to make clisp disappear from Sage > in the long term at alt.sci.symbolic William and I got in a long off > list discussion with Fateman about Maxima, Axiom, Sage and lisp in > general. Among the point Fateman made about me pointing out that > building lisp fr

[sage-devel] Re: [fricas-devel] Re: Project

2008-04-20 Thread TimDaly
On Apr 20, 5:23 pm, "David Roe" <[EMAIL PROTECTED]> wrote: > On Sun, Apr 20, 2008 at 5:13 PM, TimDaly <[EMAIL PROTECTED]> wrote: > > > > I'm surprised by how convinced you are that using a specific > > > technology/language -- literate pr

[sage-devel] Re: [fricas-devel] Re: Project

2008-04-20 Thread TimDaly
> I'm surprised by how convinced you are that using a specific > technology/language -- literate programming -- can be a silver > bullet to solve such a difficult problem. I think peer review, > and many many other things, are steps in the right direction, > but *not* solutions to the problem. I

[sage-devel] Re: [fricas-devel] Re: Project

2008-04-20 Thread TimDaly
> Sorry I was mainly interested in how many lines of code, in > some rough sense, are in the Axiom codebase, since this > whole thread started discussing the difficulties involved with > the code size of Axiom (since it's about combining source > code for project). I'm still really curious how b

[sage-devel] Re: [fricas-devel] Re: [sage-devel] Re: [fricas-devel] Re: Project

2008-04-20 Thread TimDaly
> > A good unifying graphical interface is extremely important to creating > > something that is a viable alternative to > > Maple/Mathematica/Magma/Matlab. In some sense it is perhaps it > > is *the* most important thing. I fully agree that a unifying graphical interface is extremely impor

[sage-devel] Re: [fricas-devel] Re: Project

2008-04-20 Thread TimDaly
> How does the fricas/axiom source code layout work? > Is it all written in pamphlets that lisp is generated from? There is a bit of a philosophical split between Axiom and Fricas about source code layout and it is fairly fundamental. Axiom has everything in pamphlet files and is gradually movi

[sage-devel] Re: First Sage Screencast

2008-01-06 Thread TimDaly
I'm unable to view this using RealPlayer, Quicktime, or mplayer on XP, OSX, or Linux. None of the sites have the codec available. Any idea where I can find the codec for one of these tools? Tim On Jan 7, 12:11 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Jan 6, 2008 11:07 AM, Ted Kosan <[

[sage-devel] Re: Rosetta translations

2008-01-02 Thread TimDaly
I'd use a live cd. they are much more convenient to show off at conferences. On Jan 2, 1:37 am, "William Stein" <[EMAIL PROTECTED]> wrote: > On Dec 29, 2007 1:21 PM, mabshoff > > > > <[EMAIL PROTECTED]> wrote: > > > On Dec 29, 8:56 pm, "Alfredo Portes" <[EMAIL PROTECTED]> wrote: > > > On Dec 29,

[sage-devel] Funding open source

2007-12-30 Thread TimDaly
I had an interesting discussion with a finance professor from the Univ. of Pittsburgh. We were discussing the issue of funding open source software. The suggestion came up of approaching sourceforge or their parent company to set up an organization to handle money. The funding would not cover pa

[sage-devel] Rosetta translations

2007-12-28 Thread TimDaly
At is a document that is designed to help users of new systems "translate" simple ideas from their current systems. (The source is at ). I do not know Sage well enough to update this information. Is there an

[sage-devel] Re: Sage and Special Functions??

2007-12-14 Thread TimDaly
in the first paragraph s/chunck/chunk/ page 3 s/fucntions/functions/ The DLMF copyright section states: The material on this site is copyrighted ((c)) by NIST and/or the respective authors, and subject to the usual copyright restrictions. Does that imply DLMF can be used by open source program

[sage-devel] Re: Axiom and Sage

2007-12-09 Thread TimDaly
> Two points: > (1) "All Axiom needs is a mathml enabled browser with the correct fonts." >This is a nontrivial assumption to make. E.g., I have this on none of > my web browsers and mathml doesn't ship with browsers yet. > Mathml ships with Firefox although you have to install some extra fo

[sage-devel] Re: Axiom and Sage

2007-12-09 Thread TimDaly
On Dec 9, 3:25 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Dec 9, 2007 1:00 PM, root <[EMAIL PROTECTED]> wrote: > > > >The main plus of this packaging for sage is that it builds from > > >source quickly (in a few minutes) using precompiled clisp files. > > > Well, on my 2Ghz machine with