differential operators

[Kai Ludwig]

Am Freitag, 24. Oktober 2003 10:53 schrieb Kai Ludwig:
> Hi All,
>
> I'm new to GiNac. Is there a way to execute symbolic differentiation of
> expressions that includes differential operators ?
>
> e.g. suppose an expression
>
> ex F = u * dx*u
>
> When differentiate that expression F.diff(u)
> it should result in the expression
>
> dx*u - u*dx

certainly should be
dx*u + u*dx

sorry;-)

Well - seems to me that I have to write a new function, say dx.

Kai


-- 
http://echempp.sourceforge.net

Kai Ludwig
Universität Tübingen
Institut für Organische Chemie
Auf der Morgenstelle 18
D-72076 Tübingen
Tel.: 07071/29-73049
Mail: kai.ludwig at uni-tuebingen.de