[sage-devel] Re: unsupported operand parent(s)

2008-07-08 Thread Nathan Ryan
Nils, This doesn't appear to be a problem with coercion. When you multiply a*a you're calling the _mul_ attribute. In your code, you write it as _mult_. Delete the t and it works. Cheers, Nathan On Tue, Jul 8, 2008 at 11:15 AM, Nils Skoruppa <[EMAIL PROTECTED]> wrote: > > Hi all, > > Could

[sage-devel] Re: sage calculus

2007-03-01 Thread Nathan Ryan
I mostly use the notebook, too which is what I think we can expect the average calculus student to use. This student would want instant graphics (not available in either 2) or 3)), copying and pasting via ctrl-c and ctrl-v, interactive tab completion and documentation. N [EMAIL PROTECTED]

[sage-devel] Re: a "press release"

2007-05-16 Thread Nathan Ryan
> Is anyone actively using this, daily, as part of their course work, > as would be done with Matlab, Mathematica, and the like? Perhaps at > Sage Days 4, there could be some discussion of how well it works in > practice, both for full-time classroom use (i.e., not as an "off to > the si

[sage-devel] Siegel modular forms and SAGE

2007-07-22 Thread Nathan Ryan
Attached you'll find what I think is a patch that includes 600 lines of code that implements a barebones Siegel modular forms class (I also included a tarred .sage file just to be sure). It's written by David Grunewald and myself and is based on a 1993 paper by Skoruppa. A lot of what David wr