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When using "Pause on Warning/Error," is there a way to avoid breaking into built-in functions?

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Joel Lynch
Joel Lynch on 30 Jun 2021
Answered: Jan on 30 Jun 2021
For example, a bad set of data when calling "fit" breaks into a function called "curvefit.attention/Warning/throw":
Warning: Equation is badly conditioned. Remove repeated
data points or try centering and scaling.
> In curvefit.attention/Warning/throw (line 30)
In fit>iLinearFit (line 680)
In fit>iFit (line 391)
In fit (line 116)
In my_fit_function (line XX)
The message is useful, but having my workspace scope in "curvefit.attention/Warning/throw" is useless. It would be helpful to return the workspace scope to "my_fit_function" to see what data actually threw the warning/error. How can this be done? ~Thanks!
EDIT: I partly answered my own question. "Function Call Stack" in the IDE allows selecting the workspace scope. Still, it would be helpful to set the default behavior to break within user-defined scripts rather than in built-in functions, if possible.

Accepted Answer

Jan
Jan on 30 Jun 2021
Matlab cannot guess in which level you want to display the call stack. So either select it manually, or use try/catch/rethrow for a user-controlled error handling. Then Matlab stops in the level, you have inserted rethrow in.

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