[sage-devel] Re: motivation: here's one reason your contributions to Sage matter...

2013-09-27 Thread Jean-Pierre Flori
On Friday, September 27, 2013 11:29:19 PM UTC+2, Harald Schilly wrote: > > On Friday, September 27, 2013 7:30:23 PM UTC+2, kcrisman wrote: >> >> Thoughts? >> > > There exists this model of "user groups" with regular meetings. "Hello, > I'm addicted to Sage for 1 1/2 years. Please help me with my

Re: [sage-devel] Trac down

2013-09-27 Thread Keith Clawson
Trac is back up. It was, in fact, out of memory. I doubled the amount of memory allocated to the virtual machine and rebooted it and now it seems to run fine. -Keith On Friday, September 27, 2013 1:54:26 PM UTC-7, William wrote: > > This could be the culprit > On Sep 27, 2013 12:59 PM, "kcr

[sage-devel] Re: motivation: here's one reason your contributions to Sage matter...

2013-09-27 Thread Harald Schilly
On Friday, September 27, 2013 7:30:23 PM UTC+2, kcrisman wrote: > > Thoughts? > There exists this model of "user groups" with regular meetings. "Hello, I'm addicted to Sage for 1 1/2 years. Please help me with my integrals ... " For "R", there is at least this long list: http://blog.revolutionan

[sage-devel] Trac down

2013-09-27 Thread kcrisman
Oops… *Trac detected an internal error:* OSError: [Errno 12] Cannot allocate memory There was an internal error in Trac. It is recommended that you notify your local Trac administrator with the information needed to reproduce the issue. To that end, you could a ticket. The action that trigge

[sage-devel] Re: motivation: here's one reason your contributions to Sage matter...

2013-09-27 Thread kcrisman
On Friday, September 27, 2013 12:59:30 PM UTC-4, William wrote: > > From somebody: > > "Does anyone know about workshops to train faculty to use/teach SAGE > (ie uses related to the undergraduate course contents)? We are not > able to afford the Mathematica site license (no help from other cam

[sage-devel] motivation: here's one reason your contributions to Sage matter...

2013-09-27 Thread William Stein
>From somebody: "Does anyone know about workshops to train faculty to use/teach SAGE (ie uses related to the undergraduate course contents)? We are not able to afford the Mathematica site license (no help from other campus users), so we're investigating open source options." -- William Stein Pro

[sage-devel] Re: Passing mpfr arrays to a c library

2013-09-27 Thread Volker Braun
The simpler C++ stuff is now well supported in Cython. Esoteric features will always cause troubles, but just using the std library is easy. Have a look at sage/tests/stl_vector.pyx for an example. On Friday, September 27, 2013 5:00:07 PM UTC+1, mmarco wrote: > > I thought that C was easyer

[sage-devel] Re: We need a new color?

2013-09-27 Thread kcrisman
> > > > On Friday, September 27, 2013 4:57:51 AM UTC+2, kcrisman wrote: >> >> From a user. I'm not sure how the matplotlib devels would feel about >> adding this. >> >> > I would assume they welcome a patch, especially when you quote xkcd. > The definitions are here, i think: > > https://githu

[sage-devel] Re: Passing mpfr arrays to a c library

2013-09-27 Thread mmarco
I thought that C was easyer to interface from cython than C++ Anyways, the solution of passing the length of the array and then copying the values one by one doesn't sound bad to me. El jueves, 26 de septiembre de 2013 15:28:37 UTC+2, Volker Braun escribió: > > Numpy only does machine datatypes

[sage-devel] Re: We need a new color?

2013-09-27 Thread Harald Schilly
On Friday, September 27, 2013 4:57:51 AM UTC+2, kcrisman wrote: > > From a user. I'm not sure how the matplotlib devels would feel about > adding this. > > I would assume they welcome a patch, especially when you quote xkcd. The definitions are here, i think: https://github.com/matplotlib/mat

Re: [sage-devel] We need a new color?

2013-09-27 Thread kcrisman
On Thursday, September 26, 2013 11:16:51 PM UTC-4, Ivan Andrus wrote: > > When in doubt about rgb colors, consult xkcd: http://xkcd.com/color/rgb/ > > There he identifies sage (87ae73), light sage (bcecac), dark sage > (598556), and sage green (88b378). > > Very nice indeed. > We need easter e

[sage-devel] Re: [cython-users] bug report + feature request (was: scipy cblas return value)

2013-09-27 Thread Dima Pasechnik
On 2013-09-26, William Stein wrote: > On Thu, Sep 26, 2013 at 11:35 AM, Arnaud Bergeron wrote: >> 2013/9/26 William Stein >>> >>> On Thu, Sep 26, 2013 at 10:04 AM, Arnaud Bergeron >>> wrote: >>> > Or scipy is badly compiled. Since OS X does not ship with a fortran >>> > compiler it is especial

[sage-devel] Re: Inverse of discrete functions

2013-09-27 Thread Volker Braun
This has been brought up on the Python mailinglists before. Really you want a database where two or more columns are indexed. If anybody wants to work on that please read the previous Python discussions first. Here is one possible implementation: http://code.activestate.com/recipes/576968/ On