[sympy] infinite sums?

2008-06-26 Thread tkeller
Hi folks, Thanks for this excellent implementation of symbolic algebra in python. I'm trying to compute some infinite sums, but haven't seen any clear examples of how this is done. I googled one page that states an implementation of this by mpmath, but don't know how to access that from within s

[sympy] Re: infinite sums?

2008-06-26 Thread Ondrej Certik
On Thu, Jun 26, 2008 at 1:47 AM, tkeller <[EMAIL PROTECTED]> wrote: > > Hi folks, > Thanks for this excellent implementation of symbolic algebra in > python. I'm trying to compute some infinite sums, but haven't seen > any clear examples of how this is done. I googled one page that > states an i

[sympy] Re: Online graphical shell

2008-06-26 Thread chu-ching huang
On Jun 25, 7:24 pm, "Ondrej Certik" <[EMAIL PROTECTED]> wrote: > On Sun, Jun 22, 2008 at 11:43 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > > On 6/22/08, David Roberts <[EMAIL PROTECTED]> wrote: > >> Hi, > > >> I really like live.sympy.org - it's very useful when using systems > >> that don't

[sympy] Re: Online graphical shell

2008-06-26 Thread Vinzent Steinberg
On 25 Jun., 13:24, "Ondrej Certik" <[EMAIL PROTECTED]> wrote: [...] > > I tried that and I like it, so I added your patches to: > > http://hg.sympy.org/sympy-live/ > > and uploaded your code to the app engine, so anyone can now go to: > > http://live.sympy.org/ > > and on the bottom of the page

[sympy] Re: Productive coding, or "What is your work flow?"

2008-06-26 Thread Kirill Smelkov
On Tue, Jun 24, 2008 at 06:24:54PM -0600, Brian Jorgensen wrote: > Hey everyone, thanks for your input! Sorry it's taken me a few days to get > back into the discussion; I was spending time with my mom while she was in > town. > > I've been trying out the settings and bindings people have recomme

[sympy] Re: __str__ and __repr__ confusion

2008-06-26 Thread Kirill Smelkov
On Fri, Jun 20, 2008 at 05:30:29AM -0700, Pearu Peterson wrote: > > > > On Jun 20, 11:42 am, "Ondrej Certik" <[EMAIL PROTECTED]> wrote: > > >> Also, let's get rid of set_repr_level()? This is quite an important > > >> change, so I'd like to hear opinions of others as well. > > > > > We already

[sympy] Re: Matrix.expand()

2008-06-26 Thread Kirill Smelkov
On Wed, Jun 25, 2008 at 02:59:53PM +0200, Ondrej Certik wrote: > > On Sun, Jun 22, 2008 at 5:39 PM, Riccardo Gori <[EMAIL PROTECTED]> wrote: > > > > On Sunday 22 June 2008 12:47:38 physnut wrote: > >> hello there, i'm only new to this project (and haven't started helping > >> at all > >> yet...)

[sympy] Re: cookbook for partial differential equation manipulation: questions/bug?

2008-06-26 Thread d
Hello sympy experts, i see that i still have too much to learn about sympy to create a differential equation entry on the wiki cookbook. so, i started looking into the latex() output routines. the attached script (i uploaded tst_latex.py.gz to the group's files) shows some differences in behavior

[sympy] Re: Matrix speedups

2008-06-26 Thread Riccardo Gori
On Thursday 26 June 2008 19:42:20 Kirill Smelkov wrote: > On Sun, Jun 22, 2008 at 11:45:51AM +0200, Ondrej Certik wrote: > > On 6/21/08, Riccardo Gori <[EMAIL PROTECTED]> wrote: > > > On Saturday 21 June 2008 11:10:20 Ondrej Certik wrote: > > > > On Fri, Jun 20, 2008 at 4:54 PM, Riccardo Gori <[EM

[sympy] Student sponsorship for the SciPy08 conference

2008-06-26 Thread Gael Varoquaux
We are delighted to announce that the Python Software Foundation has answered our call and is providing sponsoring to the SciPy08 conference. We will use this money to sponsor the registration fees and travel for up to 10 college or graduate students to attend the conference. The PSF did not prov

[sympy] Re: __str__ and __repr__ confusion

2008-06-26 Thread Ondrej Certik
On Thu, Jun 26, 2008 at 7:13 PM, Kirill Smelkov <[EMAIL PROTECTED]> wrote: > > On Fri, Jun 20, 2008 at 05:30:29AM -0700, Pearu Peterson wrote: >> >> >> >> On Jun 20, 11:42 am, "Ondrej Certik" <[EMAIL PROTECTED]> wrote: >> > >> Also, let's get rid of set_repr_level()? This is quite an important >>

[sympy] Re: Matrix.expand()

2008-06-26 Thread Ondrej Certik
On Thu, Jun 26, 2008 at 7:17 PM, Kirill Smelkov <[EMAIL PROTECTED]> wrote: > > On Wed, Jun 25, 2008 at 02:59:53PM +0200, Ondrej Certik wrote: >> >> On Sun, Jun 22, 2008 at 5:39 PM, Riccardo Gori <[EMAIL PROTECTED]> wrote: >> > >> > On Sunday 22 June 2008 12:47:38 physnut wrote: >> >> hello there,

[sympy] Re: Matrix speedups

2008-06-26 Thread Ondrej Certik
Hi Riccardo! On Thu, Jun 26, 2008 at 11:39 PM, Riccardo Gori <[EMAIL PROTECTED]> wrote: > > On Thursday 26 June 2008 19:42:20 Kirill Smelkov wrote: >> On Sun, Jun 22, 2008 at 11:45:51AM +0200, Ondrej Certik wrote: >> > On 6/21/08, Riccardo Gori <[EMAIL PROTECTED]> wrote: >> > > On Saturday 21 Jun