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Greg
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Can a Bus be Used as an Input to a MATLAB System Block?

Asked by Greg
on 9 Sep 2013
I'm playing with the new (R2013b) Simulink "MATLAB System" block, but I can't seem to find any way to connect Bus object inputs to the block. The matlab.system.mixin.Propagates interface seems like it might give me that ability for outputs, but it doesn't have any methods for inputs.
I have a Nonvirtual Bus object definition and everything, I just can't find a way to tell the block to use it (like you could with a MATLAB Function block from the Model Explorer interface).

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1 Answer

Answer by Kaustubha Govind on 9 Sep 2013
 Accepted Answer

Thanks for the great question!
As listed in the MATLAB System Block Limitations - Data Types section, bus types are not supported with the block in R2013b. So, you currently cannot provide a nonvirtual bus input to the block.
Also, you correctly pointed out that the matlab.system.mixin.Propagates class can only be used to define output characteristics of the block. Input characteristics are always inherited from the input signal and need not be specified like for the MATLAB Function block.

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Thanks, that was the documentation I couldn't find.

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