yline don´t work "Undefined function or variable 'yline'." Even when using MATLAB example code.

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Hi!

Just as the title decribes. I have updated MATLAB recently. I still get this error massage "Undefined function or variable 'yline'.". Even if I open a new script and only type

yline(2.5);

What is wrong? Do anyone else have the same issue?

Cheers

NOTE: If i use "MATLAB Online" it works just fine. Even if I copy and paste my script and run it there.

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Sriram Tadavarty 2020-4-25

May i know the version of MATLAB you are using. You can know this with ver command.

If the MATLAB version you are using is not later than R2018b, the function would not work. MATLAB online works on latest MATLAB version.

If the MATLAB version is later than R2018b, try to clear all the variables in your workspace and try to perform it again.

Hope this helps.

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Answer 1

Steven Lord 2020-4-25

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As stated at the end of the documentation page for the yline function, that function was introduced in release R2018b. You will not be able to use it in earlier releases.