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how can I update a constant block within a Simulink simulation?

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Omar Velazquez
Omar Velazquez le 11 Nov 2016
I have created a Simulink model that takes variables (constants) from the Workspace. Within the Simulink model I have added a Matlab function that recalculates these constants after each iteration. However, after each iteration, instead of considering the newest value calculated for each variable, the model takes again the value I set from the Workspace in the beginning. Any idea on how I can update my values each step?
Thanks, Omar

Réponses (2)

Slava Shougaev
Slava Shougaev le 26 Août 2020
You can also use the 'IC' block (Initial Conditions).

Hari Desanur
Hari Desanur le 15 Nov 2016
The variables you are updating might be local to your MATLAB function.
Consider defining the variables in the MATLAB function as persistent or global . This might resolve the issue where the changes being made to the variables are not reset.

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