How can I work on a valuable name with a minus sign in it...?

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Could you please help me to change a valuable name with a minus sign in it?
the valuable name is something like
Thus, when I try to call the valuable in the command prompt,
matlab recognizes as the following
data.a - b (i.e., data.a minus b, instead of a single valuable.)

Accepted Answer

M on 20 Feb 2020
From this documentation:
"valid variable name starts with a letter, followed by letters, digits, or underscores"
You cannot include the " - " symbol in a matlab variable name.
If you want to define a variable that corresponds to " a - b", you can call it "a_minus_b".
Steven Lord
Steven Lord on 20 Feb 2020
As of release R2019b table and timetable arrays can contain variables with names that are not valid MATLAB identifiers, but you need to use a slightly different syntax to access those variables. See that Release Note entry for more information.
You cannot have plain MATLAB variables whose names are not valid MATLAB identifiers.

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