Thanks, that worked perfectly. My final function is:
def ndf(expr, factor):
n, d = expr.as_numer_denom()
return expand(n*factor)/expand(d*factor)
On Thursday, November 17, 2016 at 2:30:50 PM UTC-5, Aaron Meurer wrote:
>
> Ah, I forgot that if factor is not a number, it won't distribute
> automatically. You'll want to do something like
>
> n, d = expr.as_numer_denom()
> expand(n*factor)/expand(d*factor)
>
> The way it is now, factor just immediately cancels.
>
> And by the way, if your goal is to write a rational function in
> reduced terms, you can use cancel() or factor() (the latter will also
> factor the numerator and denominator).
>
> Aaron Meurer
>
>
> On Thu, Nov 17, 2016 at 8:23 AM, Scott Calabrese Barton
> <[email protected] <javascript:>> wrote:
> > Unfortunately that image will not render. Here's a link to it:
> > https://goo.gl/J1wn0P
> >
> > On Thursday, November 17, 2016 at 8:17:33 AM UTC-5, Scott Calabrese
> Barton
> > wrote:
> >>
> >> Aaron, thanks, that's definitely the right idea, but doesn't work,
> >> probably because of simplification. Here's an example:
> >>>
> >>>
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