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The MATLAB editor automatically highlights all content after %% comments, and text after %% in the same line are turned bold. But what's the essential difference here? Why do people sometimes use %% instead of %?
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In the Editor, a section begins with two percent signs ( %% ). The text on the same line as %% is called the section title. Including section titles is optional, however, it improves the readability of the file and appears as a heading if you publish your code.
One percent sign ( % ) is used for commenting lines. Two percent signs ( %% ) have a different purpose: they are used for dividing your code into sections, which can be run independently.
From a syntax point of view, they are both comments.
In the Matlab editor, Matlab parses %% delimited blocks as "sections" which you can run as a unit independent of running the whole script.
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