I guess by "modular" I meant that the different components can be installed separately, which is not really the case with Sage (except with the extra spkgs). I like the all-in-one approach better anyways but, like you said, there is also an advantage in the specific-use approach, like Sympy, NumPy, etc.
On Jul 22, 9:01 pm, William Stein <wst...@gmail.com> wrote: > On Fri, Jul 22, 2011 at 8:57 PM, Eviatar <eviatarb...@gmail.com> wrote: > > Oh, I see. It would be nice if Sage was more modular. > > > Good luck with Qsnake! > > And things like Qsnake are possible... because Python is very modular. > > -- William > > > > > > > > > > > On Jul 22, 7:51 pm, Ondřej Čertík <ondrej.cer...@gmail.com> wrote: > >> On Fri, Jul 22, 2011 at 6:19 PM, William Stein <wst...@gmail.com> wrote: > >> > On Fri, Jul 22, 2011 at 5:56 PM, Eviatar <eviatarb...@gmail.com> wrote: > >> >> Just out of curiosity: why are you forking a separate project instead > >> >> of developing Sage? > > >> > I think the main issue is that Sage contains a lot of dependencies and > >> > code that are not needed for people doing Finite Element Method (say) > >> > work. But nonetheless, there are useful ideas in how Sage is > >> > constructed, which Ondrej's project also benefits from. > > >> Also so that we can quickly release a new version, update a package > >> and so on. Also, what I did in Qsnake is that I wrote a completely > >> new build system (in pure Python, as one simple file) and also I have > >> added a lot of new packages, not in standard Sage. > >> By doing it separately, I can simply create a version, that "just > >> works". Plus I wanted to use git and github etc., as these tools make > >> me a lot more productive (subjective reason). > > >> In any case, I have strictly stayed with the SPKG packages, so that > >> any improvements (let's say after my new packages mature) can be > >> incorporated in standard Sage, eventually. > > >> So I view it as simply organizing the work, rather than a competing fork. > > >> > As a related example, shortly after I started Sage (in 2005), Ondrej > >> > started Sympy (in 2006), which does symbolic calculus. At least for > >> > a while, much of what Sympy did, one could do more quickly in Sage. > >> > That said, I just went to the app store recently and downloaded a > >> > program called PythonMath, which I find handy on occasion: it turns > >> > out PythonMath is basically Python + Sympy, which is _vastly_ easier > >> > to port to the iPhone than Sage. > > >> Yes. For the kind of math that I do, in daily research (electronic > >> structure calculations and other quantum mechanics stuff), sympy > >> always worked great, and having no other depenencies than Python, it > >> was exactly what I always needed. For the kind of math that William > >> does, Sage has always worked much better. Also, sympy is just a > >> symbolic library (and that's it, so one has to use other libraries for > >> plotting, numerics, notebook...), while Sage is everything. > > >> And thus the motivation for Qsnake --- to have a program, that > >> contains everything and "just works". I would put Qsnake on the same > >> level as psage:http://purple.sagemath.org/, if I understand the > >> motivation of psage correctly, it's aim is also to eventually > >> integrate the useful packages (once they mature from "research" to > >> "production") into Sage. Looking here: > > >>http://purple.sagemath.org/goals.html > > >> That's pretty much the same motivation for Qsnake. Except that I need > >> a different set of packages (and I need Fortran). > > >> Ideally, there would be a huge repository of SPKG packages (just like > >> the huge repository that Ubuntu has, with almost everything), and one > >> could quickly install just what one needs. So I am trying to figure > >> this out too with Qsnake. But it's easier said than done. > > >> Ondrej > > > -- > > 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 > > athttp://groups.google.com/group/sage-devel > > URL:http://www.sagemath.org > > -- > William Stein > Professor of Mathematics > University of Washingtonhttp://wstein.org -- 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 URL: http://www.sagemath.org
