make an if statement that checks if the string says "on" in matlab

You can use the strcmp() function in MATLAB to compare strings. Here's how you can make an if statement that checks if a string says "on":

main.m
inputString = 'on';

if strcmp(inputString, 'on')
    disp('The string says "on"');
else
    disp('The string does not say "on"');
end
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In the above code, strcmp(inputString, 'on') compares the values of inputString and 'on'. If they are the same, it will return true, and the first statement will be executed. Otherwise, if they are different, it will return false, and the second statement will be executed.

You can replace the disp() statements inside the if-else block with any other code that you want to execute based on the string comparison condition.