Can I use an output of a Matlab function delayed by a memory block as an input for the same Matlab function in Simulink?

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Michael Melzer 2016-3-16

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https://ww2.mathworks.cn/matlabcentral/answers/273784-can-i-use-an-output-of-a-matlab-function-delayed-by-a-memory-block-as-an-input-for-the-same-matlab-f

回答： Michael Melzer 2016-3-16

I wanted to define variables within a Matlab function in Simulink. To decide which values the variabels will have in the current simulation step the variable values from the previous simulation step are necessary and feedback delayed with a memory block.

If I do this I get an error message during compilation.

Without the feedback the model compiles but does not deliver the desired result.

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Vaibhav Awale 2016-3-16

Can you please let us know the error message that you get during compilation?

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Answer 1

Michael Melzer 2016-3-16

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https://ww2.mathworks.cn/matlabcentral/answers/273784-can-i-use-an-output-of-a-matlab-function-delayed-by-a-memory-block-as-an-input-for-the-same-matlab-f#answer_213900

I found the answer. Inside the Matlab function I was using various IF ELSE Statements. Not all output variables were set in each case leading to inconsistencies in the outputs. Nevertheless the failure message was really unclear about this fact.