Warnings for Non-existent Ports in a Matlab Function Block

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Niel
Niel on 1 Apr 2014
Commented: Niel on 1 Apr 2014
Hi all
I have a rather large model in Simulink. When it runs, it gives me a number of warnings similar to the following one:
Warning: Block 'SS_SplitSimulink_Model1/MATLAB I1/ SFunction ' output 'Inf'
for element 23 of output port 2 at minor time step 0.00016552
The strange thing is that the "MATLAB I1" block has only one output port. Is there any way in which a Matlab function block can have something like hidden ports? I get 'Inf" and "NaN" warnings, which is obviously quite troubling...
I apologise if I'm not giving enough info.

Accepted Answer

Niklas Nylén
Niklas Nylén on 1 Apr 2014
Edited: Niklas Nylén on 1 Apr 2014
If the S-function was generated in Real time workshop/Simulink coder you can right click MATLAB I1 and select Look under mask. You should be able to see another "layer" where more outputs may exist.
  3 Comments
Niel
Niel on 1 Apr 2014
Thank you, Niklas. It sounds good. If you get another idea in time, feel free to share =)

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