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Setting the end time in Simulink through an m-file; Online help seems to be wrong and unhelpful

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I am using commands like the following:
set_param('practicesimmodel','StartTime','0','StopTime','20');
sim('practicesimmodel');
However, MATLAB is totally ignoring what I set as the StoptTime and continues using what has been placed in the simulink model window. How do I automate this so I can change the stoptime from within an mfile?
thanks

回答 (1 件)

Fangjun Jiang
Fangjun Jiang 2021 年 3 月 10 日
Open the model, run the first line and check the model, you will see the 'StopTime' is changed.
The problem is with the second line. Give it a return variable like out=sim('practicesimmodel') and check the result.
This is really the problem with the Mathworks.
  2 件のコメント
John Anthony Rossiter
John Anthony Rossiter 2021 年 3 月 10 日
thanks. This seems to work but is totally bizarre and not an obvious debug result. Why doesnt mathworks make this more obvious in the help or fix it?
Anthony
Fangjun Jiang
Fangjun Jiang 2021 年 3 月 10 日
I have no idea. I've raised this before. Any Mathworkers watching???

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