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From: Marc Compere on 21 Jun 2005 00:31
Benje. Marchand,

Hmm, don't think so. I think drop-down ode solver choices are
selections for c-based code compiled into the simulink executable or,
in the case of an 'accelerated' or Real-Time Workshop simulation, the
code is incorporated into the executable for your particular model.
The only way I can think of getting your own higher order solver to
work with a Simulink model is exporting your model to c source with
RTW and then making and linking against your own ode8.c (similar to
the ode3.c or ode4.c or ode5.c). Without RTW I don't think you can
do what you're looking to do. (If you find out otherwise let me
know)

Marc

Benje. Marchand wrote:
>
>
> Hi,
>
> I've developed a model in Simulink and I'm using the fixed-step
> ode5(Dormand-Prince) routine for simulations. I've implemented a
> higher order routine (similar to rk8fixed) and I'd like to know
> whether it's possible to link this m-file routine to the drop-down
> menu "Simulation Parameters" in Simulink?
> (I was thinking that Perhaps if I put my upgraded routine back into
>
> the Matlab directory, Simulink would automatically see it)
>
> Thanks for your help
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