From help-octave-request at bevo dot che dot wisc dot edu  Mon Jan 25 18:44:50 1999
Subject: Passing octave function as a parameter
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Eduardo Gallestey <eduardo at faceng dot anu dot edu dot au>
Cc: "help-octave at bevo dot che dot wisc dot edu" <help-octave@bevo.che.wisc.edu>
Date: Mon, 25 Jan 1999 18:45:18 -0600 (CST)

On 26-Jan-1999, Eduardo Gallestey <eduardo at faceng dot anu dot edu dot au> wrote:

| I trying to adapt a C++/Fortran subroutine (related to the solution of
| PDE) for use in the "octave environment". I am so far that I can pass
| numerical parameters to it and get correct calculations. 
| 
| Now I would like have "octave functions" as parameters. This is
| possible, because it has been done (at least!) for the routines "lsode"
| and "fsolve"!. 
| Is there some documentation with respect to that? Can someone explain
| how this should be done?

If your function is written as an M-file, use feval().  If your
function is written in C++, look at the code for lsode, fsolve, or
dassl to see how it was done there.

jwe