Undefined operator '>=' for input arguments of type 'cell'.

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x = inputdlg({'Pick a value between 0 and 1, and will try my best to guess a number greater than that! '},...
'Critical Number Guesser', [1 30]); % This line takes the user input and stores it as the variable x
if x >= 1
msgbox("Invalid Input", "Error", "error");
elseif x <= 0
msgbox("Invalid Input", "Error", "error");
I keep trying to run this code, but I keep getting this error message
"Undefined operator '>=' for input arguments of type 'cell'." Please Help!

Accepted Answer

Joseph Cheng
Joseph Cheng on 16 Feb 2020
you can adust it to take out the cell using cell2mat() function or quick cell indexing using the curly brackets {} can do the trick. see below
x = inputdlg({'Pick a value between 0 and 1, and will try my best to guess a number greater than that! '},...
'Critical Number Guesser', [1 30]); % This line takes the user input and stores it as the variable x
if x{1} >= 1
msgbox("Invalid Input", "Error", "error");
elseif x{1} <= 0
msgbox("Invalid Input", "Error", "error");
end

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R2019b

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