Evaluate function real-time in Simulink

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Gergely Hunyady
Gergely Hunyady 2019-8-27
评论： Gergely Hunyady 2019-8-28
Hy,
I have the following function in Simulink, which i would like to evaluate for all X, Y values in real-time.
The inputs for X and Y are real time values, changing with sample time, PX and PY are column vectors, which i am searching the optimal point in, LAD is a constant value.
The function searches the point exactly as far from X, Y as the value of LAD and would give it back through GX and GY in real time, but shows me the following error:
The function ports are shown here:
How can I get this done?
Thank you for your help in advance.
Gergely Hunyady

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2019-8-27
Open the MATLAB function, click "Edit Data", specify the "size" of output GX and GY. Most common is the change from "-1" (inherient) to "1" (scalar).
  1 个评论
Gergely Hunyady
Gergely Hunyady 2019-8-28
Hy,
This should solve some problem, but even if the output is accepted, real-time calculation would not happen.
I will solve this with S-Functions, just need to understand how it works, for example NumDiscStates
Gergely Hunyady

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