On Sep 18, 5:31 am, Burcin Erocal <[EMAIL PROTECTED]> wrote: > On Wed, 17 Sep 2008 21:48:37 -0700 (PDT) > John H Palmieri <[EMAIL PROTECTED]> wrote: > > > On Sep 17, 9:09 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > > > On Wed, Sep 17, 2008 at 8:59 PM, John H Palmieri > > > <[EMAIL PROTECTED]> wrote: > <snip> > > > > > Along the same lines, partial fraction decomposition should work > > > > for rational numbers; this would work if elements of QQ were > > > > instances of FractionFieldElement, right? > > > > Or you could just implement it, which would likely be a good idea. > > > It might be a good idea, but I don't know how to do it. How do I > > produce, given 1/20, the output 1/4 - 1/5? That is, how do I tell > > sage to output 1/4 - 1/5, as an element in QQ, I suppose, without > > evaluating it and just printing 1/20? > > The partial_fraction_decomposition method of FractionFieldElement just > returns a list. E.g., > > sage: (1/20).partial_fraction_decomposition() > [1/4, -1/5]
Depends on which partial fraction decomposition you mean. Look at this trac ticket: <http://trac.sagemath.org/sage_trac/ticket/4039> *Should* it just return a list, or should it return an actual sum? John --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---