Re: ode45

[biogas-1]

Kai,

I tried ode23s.  Thank you for your help.

First, it is mentioned in the manual 0.6.0 but only in a performance matrix. 
No prototype is mentioned.  I am running 0.8.2, but when I call it to run I
get this error,

warning: Octave provides lsode for solving differential equations.  For more
information try `help lsode'.  Matlab-compatible ODE functions are
provided by the odepkg package.  See `http://octave.sf.net/odepkg/'.

Please read `http://www.octave.org/missing.html' to learn how you can
contribute missing functionality.


error: `ode23s' undefined near line ...

In other words, ode23s is not available to me.

Although setting the derivatives to zero is a trivial solution, it
demonstrates clearly the bug I wish to illustrate.  I am not interested in
solving this trivial equation, merely pointing out that I found a bug. 
Maybe this is the wrong forum?  Is there an odepkg forum?  Please let me
know.

Thanks to all for the help.





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