On Mon, Oct 19, 2009 at 3:45 PM, Dorian Raymer <deldo...@gmail.com> wrote: > Hi Stan, > I looked in to the solve problem and I get the same error. > > Solve does work when I log into the server and use Sage from the command > line, and it works from the codenode notebook on my local linux install, so > I am slightly baffled. > > Does William or another sage person have any idea what would cause the > 'Unable to start maxima' error? I'm thinking it might be some kind of > environment problem that a sage expert would have better intuition on.
Precisely how do you start Sage? What command line is run? William > > For plotting, this has been the number one first thing people try, and I'm > currently working on getting plots to show up in the notebook. Most of the > code supporting this already exists, it has just been a matter of > updating/adapting it to work with the new backend/frontend, so it won't be > long. > > -Dorian > > > On Mon, Oct 19, 2009 at 4:39 AM, Stan Schymanski <schym...@gmail.com> wrote: >> >> Hi Dorian, >> >> I got all excited but the live public notebook in sage mode does not >> seem to work for me. >> >> plot(x^3 - 3*x^2 + 2*x -3, (x,-3,3)) >> >> produces an empty field for me, and >> >> solve(0 == x^3 - a*x^2 + b*x -3, x) >> >> results in a traceback: >> >> Traceback (most recent call last): >> [snip] >> TypeError: Unable to start maxima >> >> Is there a problem with the sage installation? >> >> Cheers, >> Stan >> >> Dorian Raymer wrote: >> > Hello everyone, >> > We have merged a big development effort into the master repository >> > <http://github.com/codenode/codenode>! >> > >> > This represents a milestone in the ongoing effort to bring the whole >> > design to a new stable point. The Frontend was re-implemented using >> > Django earlier this year, and we now have completely re-done the >> > Backend! >> > >> > High level features: >> > - Engine plug-ins >> > An engine is the computation process behind the notebook (Before >> > today, Codenode only supported the regular Python engine). >> > Engine types can be added without modifying library code! >> > - Sage Engine >> > Template engine type for using Sage in codenode! >> > - Admin management of Backends >> > A frontend can be associated with any number of backend servers, >> > running anywhere on the network. Each of those backend servers can >> > support any number of engine types. >> > - Development version of servers >> > Improved work flow; development of running code. Raw support for >> > reloading of modules with out restarting the process. >> > >> > Updated documentation <http://codenode.org/docs/>. These still need >> > work, so please make as many comments and ask as many questions as you >> > have. This will aid improving the quality of the documentation greatly. >> > >> > Updated live public notebook <http://live.codenode.org>, with two >> > engine types: Python and Sage!!! This backend server is also much more >> > powerful than what we had running on app engine. This makes the live >> > site an actually useful service, so please use it for day to day >> > python/sage things as much as you like. >> > >> > >> > Making it easy to develop codenode is an important design feature we >> > are striving to fulfill. The major pieces of the system are becoming >> > sufficiently modularized such that working on a specific component >> > does not require deep knowledge of the entire system. We hope this >> > will allow people with specific specializations to have a fun time >> > developing features either independently, or with some counterpart >> > collaborator who might have a complementary expertise. >> > >> > As a project, codenode is finding a balance between providing a solid >> > base design for long term viability/extendability, and writing useful >> > features that people care about and need NOW! With this milestone, the >> > focus of our efforts will noticeably shift back to fulling feature >> > requests, fixing bugs, and sharing/proposing our own feature ideas. >> > >> > A few quick mentions of features: >> > General plotting capability for plain Python that is compatible with >> > Sage. >> > Sage version of notebook style and key bindings. >> > Collaborative running notebooks, portable notebook formats, etc. >> > Uploading code and data for use in a notebook. >> > Engines for other languages. >> > >> > Looking forward to feedback! >> > >> > Thanks, >> > Dorian and Alex >> > >> > >> > > >> >> >> > > > > > -- William Stein Associate Professor of Mathematics University of Washington http://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 -~----------~----~----~----~------~----~------~--~---
