On Tue, Aug 26, 2008 at 10:35 AM, Burcin Erocal <[EMAIL PROTECTED]> wrote: > > On Tue, 26 Aug 2008 00:42:21 -0700 > "William Stein" <[EMAIL PROTECTED]> wrote: > >> > Burcin, would LGPL be suitable for you to contribute to sympy, or is >> > LGPL not protective enough for you? >> >> Since Burcin's whole proposal is to use GiNaC, I suspect that he is only >> going >> to write something if it builds on GiNaC. As GiNaC is GPL'd >> the above question might be moot, since it seems difficult >> to build an LGPL'd Sympy on top of GiNaC... > > My main objection to using sympy was not the license, but not having > access to the fast basic routines in Sage, such as linear algebra, > gcd's or polynomial arithmetic. > > Being trained as a mathematician, I also like the typed magma approach, > and I can't deal with just handling symbolic expressions. This also > fits well into my work. Since for most of these symbolic tasks, e.g. > integration, summation, you model the problem algebraically, solve it > using your algebraic tools, then convert it back.
Right. For me, symbolic expressions are exactly what I need. The system should be clever enough to figure everything out and automatically use the best tool to solve the job. > > > This doesn't mean that I'm ok with using licenses other than GPL, but I > think the points above make that irrelevant anyhow. Thanks for the clarification, yes, I think now everything is clear. Ondrej --~--~---------~--~----~------------~-------~--~----~ 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://www.sagemath.org -~----------~----~----~----~------~----~------~--~---