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

Hello,

Could you please help me to change a valuable name with a minus sign in it?

the valuable name is something like

"data.a-b"

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.)

Answer 1

[M]

From this documentation:

https://mathworks.com/help/matlab/matlab_prog/variable-names.html

"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".

[Dice-k]

Hello,

Thanks for your comment.

I know what you are talking about... but such valuable actualy exists and I'm having hard time.

The code reading the original sensor data is not mine, thus I do not have much confidence

changing it. It seems the valuable name is defined based on the parameter name shown in

the original file.

[Steven Lord]

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.

[Dice-k]

Thanks Steven,

a_b = data.('a-b');

worked!