non-linear fourth-order differential equations

Hi Yanika,

more information about deSolve (books, papers, tutorials) can be found 
on the deSolve homepage:

http://desolve.r-forge.r-project.org

and, of course, in the package documentations. If you need further help 
from the list, please provide a short reproducible example.

Thomas Petzoldt

Dr. Thomas Petzoldt
Limnology and Ecological Modelling

Technische Universitaet Dresden
Fakulty of Forest, Geo and Hydro Sciences
Institute of Hydrobiology
01062 Dresden, Germany
E-Mail: thomas.petzoldt at tu-dresden.de
http://tu-dresden.de/Members/thomas.petzoldt