[R-sig-dyn-mod] Jacobian in compiled code

Thomas Petzoldt thomas.petzoldt at tu-dresden.de
Thu Apr 9 17:07:57 CEST 2015


Hello,

the Jacobian is optional, so you can safely omit it. However, specifying 
the Jacobian (or at least its structure) can speed up the integration of 
the odepack solvers, e.g. for 1D, 2D and 3D systems. The Runge-Kutta 
solvers don't use the Jacobian.

More, see help files ?lsoda ?lsode etc.

Thomas



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