How to stop if else condition after it executes only once.

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RUPESH TATTE 2021-6-26

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https://ww2.mathworks.cn/matlabcentral/answers/865865-how-to-stop-if-else-condition-after-it-executes-only-once

编辑： Jonas 2021-6-27

I have created a simulink block to execute if else condition. But, I need to stop this condition after it exucute once. How to do it?

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RUPESH TATTE 2021-6-26

编辑：RUPESH TATTE 2021-6-26

Below is my if else condition simulink model. In this model, I want output to be zero when voltage is varrying from 0 to 2.2 volt shown in 2nd figure, but it should not be zero when voltage varrying from 2.2 to 0 volt. Means I want this if else condition to be executed only once.

Soniya Jain 2021-6-27

Hey @RUPESH TATTE,

I am not sure but you can try to use "persistent" variable in your code, persistent means that the variable will still remember its value the next time the function is called. Refer a MATLAB Answer https://www.mathworks.com/matlabcentral/answers/113017-only-check-if-statement-once-or-disable-code-block-after-1-check

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