Maxima: Differentiate sum at specific index-position



On 2013-05-07, Stavros Macrakis <macrakis at alum.mit.edu> wrote:

> Doing this really isn't that hard in principle, but as far as I know, no
> one has actually done it.  See
> http://www.math.utexas.edu/pipermail/maxima/2011/025302.html
>
> This seems to come up once a year or so... maybe we should do something
> about it.

Agreed ... it's one of those things that's on my perpetual to-do list.
Of course if someone else will do it, that would be awesome.

best

Robert Dodier