Why function "care" doesn't work when used in function that is called from Simulink?

Question

Ethen 2015-3-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/181177-why-function-care-doesn-t-work-when-used-in-function-that-is-called-from-simulink

编辑： Rohollah Moghadam 2019-8-9

Hello guys,

I am trying to solve an Algebraic Riccati Equation in Simulink. I have used a Matlab Function block in simulink in which I am trying to solve the ARE. But I get this error

"The function 'care' is not supported for standalone code generation. See the documentation for coder.extrinsic to learn how you can use this function in simulation." Does anyone know how to solve this problem?

Thanks in advance. Cheers,

Ethen

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Answer 1

Andrew Schenk 2015-3-3

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https://ww2.mathworks.cn/matlabcentral/answers/181177-why-function-care-doesn-t-work-when-used-in-function-that-is-called-from-simulink#answer_169902

Only a subset of MATLAB functions support C/C++ code generation. An alphabetical list of supported functions is located here: http://www.mathworks.com/help/coder/ug/functions-supported-for-code-generation--alphabetical-list.html

Notice that the function "care" is not present in this list.

You can still run MATLAB in "Normal" mode using the function "care", but if you attempt to use "Rapid Accelerator" mode or compile the Simulink model using the Simulink Coder you will encounter the error message you have given.