Why do I receive an error message about output arguments for my Embedded MATLAB Function in Simulink?

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manash mishra
manash mishra 2018-6-6
评论： Shreyas H R 2018-7-24
I have if-else statements in my code to output different results in different situations. When I start the simulation I get the following error message.. I hope you can help me. Thank you
Output argument 'D' is not assigned on some execution paths.
Function 'MPPT /IC Algo' (#182.9.10), line 1, column 10: "D"
function D = InCon(V,I,T)

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回答（2 个）

Birdman
Birdman 2018-6-8
Simulink wants to know the initial value and size of your output at the very beginning of the simulation. Therefore, add
D=0;
statement to your function at the very beginning. Then, it should work without error.
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Honglei Chen
Honglei Chen 2018-6-8
Your D is undefined for the cases where T<=n*0.005
You can consider add that by adding the else branch to the code, for example,
if T>n*0.005
... % what you have now
else
D = Dold;
end
HTH

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