what happened to the blue bar in my Matlab user interface?
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Richard Goldberg
le 19 Déc 2023
Commenté : Dyuman Joshi
le 20 Déc 2023
One way to start execution of a script is to click on the blue vertical bar to the left of the code. Unfortunately, this bar has recently disappeared from my version of Matlab. This happened while I was using 2023a and there is still no blue bar even after I upgraded to 2023b. I am using a Mac. Can you help me figure out how to get the blue bar to reappear?
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Dyuman Joshi
le 20 Déc 2023
Yes, you are right - https://in.mathworks.com/help/matlab/matlab_prog/create-and-run-sections.html
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Image Analyst
le 19 Déc 2023
The blue margin indicates the extent of the section you are in, meaning that the blue bar runs from the starting line of the section until the last line of the section. If you don't have any sections (started by a double %) then you should have the blue bar since it's all one section. If you have two sections it will appear if you're cursor is in the section and the section is displayed and you hover the mouse over the margin. If the current section is scrolled off the screen, then hovering over the margin will not show blue because the section is not in the viewport. If you click in the viewport, now the current section and displayed section are both visible and you will get a blue margin upon hovering the mouse.
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