call mexfile from sfunction

2013 4 18
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Hi how can I call a mex-file in an S-Function Builder in simulink? I find a mex-file in the internet and don't know about its source code. this mex-file hase several inputs argumant and several outputs. I wanna to use it in my sfunction, but donn't know how can I do it.

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Friedrich
Friedrich 2013-4-18

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Hi,
at least a mexCallMATLAB from the S-function should work. Or also runtime dynamic linking. See my post here:
http://www.mathworks.com/matlabcentral/answers/20748-mex-calls-in-other-mex-functions-is-it-possible

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Kaustubha Govind
Kaustubha Govind 2013-4-19
Or just write a MATLAB S-function, and call your MEX-file like you would any other MATLAB function.
omid jab
omid jab 2013-4-21
编辑：omid jab 2013-4-21
dear Kaustubha, I wanna write a C++ cod using "S-Function Builder" in simulink. I'm an amateur user, and thought can't use MATLAB function in "S-Function builder". Can I?
Kaustubha Govind
Kaustubha Govind 2013-4-22
Omid: No, if you absolutely need a C-MEX S-function that is auto-generated using S-function Builder, then please follow Friedrich's solution. However, if there is no other C code that you need to call and you are okay with manually implementing a MATLAB S-function, you may follow my solution.
omid jab
omid jab 2013-4-23
I understand, tanks for your help.

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