[sage-devel] Re: Question about multivariate power series.

2009-08-30 Thread Martin Rubey
Jonathan Hanke writes: > Hi, > > I was wondering if there is (or is planned) support for natural multivariate > power series ring constructions (with say > fixed precision for each variable) similar to that of polynomal rings?  It > would be nice to be able to say something like > > S = PowerS

[sage-devel] Re: Question about multivariate power series.

2009-08-29 Thread rjf
You could use the multivariate power series in Maxima. There are 2 versions, maximum total degree and (recursively) maximum individual variable degree. As for design, if you were writing it from scratch, I think the Maple system has a somewhat more flexible implementation. I think Axiom may have

[sage-devel] Re: Question about multivariate power series.

2009-08-29 Thread jonhanke
Hi William, Thanks for the clarification. To start the discussion, let me ask if there is a good place for learning about how Sage deals with generators, the syntax X., and what classes to inherit to get this functionality working in a class? -Jon =) On Aug 29, 2:16 am, William Stein wrote

[sage-devel] Re: Question about multivariate power series.

2009-08-28 Thread William Stein
On Fri, Aug 28, 2009 at 11:12 PM, Jonathan Hanke wrote: > Hi, > > I was wondering if there is (or is planned) support for natural > multivariate power series ring constructions (with say fixed precision for > each variable) similar to that of polynomal rings? It would be nice to be > able to say