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How can i run my integer number from this question ?

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MD HASIBUR RAHMAN LEMON
评论： Walter Roberson 2020-10-1
The question is :
Enter a character. If it is an uppercase letter, it outputs its
successor. If it is a lowercase letter, it outputs its leading character.
If it is another character, it will be output as it is.
Point to be noted , i want to execute the integer number with matlab function such as int8 , int16 like this . I'm going to share my code which i made. Can anyone help me to find the problem ?
Thanks in advance
My created code is :
inputLetter = input('Please input a string number : ','s');
if(inputLetter == upper(inputLetter))
fprintf( 'Its a successor!');
elseif (inputLetter == lower(inputLetter))
fprintf( 'Its a leading charecter!');
elseif(inputLetter == int16(inputLetter))
fprintf('Its is obvoiusly '+inputLetter);
else
fprintf('Incorrect input ! ');
end
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MD HASIBUR RAHMAN LEMON
MD HASIBUR RAHMAN LEMON 2020-10-1
If i didn't input string element then my output will be come as it is . So do you mean my input has problem ? I don't want to take 1 as a string . You can see my question :
" Enter a character.
If it is an uppercase letter, it outputs its successor.
If it is a lowercase letter, it outputs its leading character.
If it is another character, it will be output as it is."
According to this question what i make mistake sir ?
Walter Roberson
Walter Roberson 2020-10-1
You tested whether the input is an uppercase character by testing
if inputLetter == upper(inputLetter)
But when you take upper() of something that is not a letter, then the result is the same as the input -- upper('1') is the same as '1' .
I recommend you see isstrprop() if you want to get as far as supporting uppercase and lowercase Unicode characters.
If you only want to bother handling English, then I suggest you use ismember()

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回答（1 个）

Asad (Mehrzad) Khoddam
You can convert the strinng to a double number then apply int8 or int16:
int16(str2double(inputLetter))

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