check if a string is empty in matlab

You can use the isempty function in MATLAB to check if a string is empty or not. Here is an example:

main.m
myString = '';
if isempty(myString)
    disp('String is empty');
else
    disp('String is not empty')
end
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In this example, the isempty function is used to check if myString is empty. If it is empty, the program will output "String is empty". Otherwise, it will output "String is not empty".