strings

Question

Dylan 2011-12-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/23275-strings

clear 
clc
 word=lower(double(input('Enter a character \n')));
 letter = char(input('Guess a character : ','s'));
 stat = findstr(word,letter);

I'm trying to get the user to enter any number of character(not case sensitive). Then enter any random character and see if it matches any character of their first input.

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Chandra Kurniawan 2011-12-7

What are you trying todo??

You said that 'trying to get the user to enter any number'.

But your code :

word=lower(double(input('Enter a character \n')));

Now, how can I use command 'lower' with numerical (double) input??

command lower works only for string, right??

Chris 2011-12-7

I thought lower was to not make it not case sensitive. And I'm trying to get the user to any character, not just numbers.

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Answer 1

Chandra Kurniawan 2011-12-7

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在 MATLAB Online 中打开

Did you mean??

clear; clc;
   word = lower(input('Enter a word : ','s'));
   letter = input('Guess a character : ','s');
   stat = findstr(word,letter);
   if ~isempty(stat)
       for x = 1 : length(stat)
           fprintf('Character %c macthes with word %s in column %d\n',letter,word,stat(x));
       end
   else
       fprintf('Character %c no found in word %s\n',letter,word);
   end

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Dylan 2011-12-7

Yep, exactly what I meant, thank you!

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Answer 2

Sven Schoeberichts 2011-12-7

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https://ww2.mathworks.cn/matlabcentral/answers/23275-strings#answer_30551

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word = input('Enter a word: ', 's'); 
letter = input('Guess a character : ','s');
stat = ismember(letter,lower(word));

stat = 1: character is present in word

stat = 0: character is not present in word

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Dylan 2011-12-7

Okay, I may should have been more specific. Suppose the word I input is loop. And I guess the letter o. I expect a return of 0 1 1 0. 1 representing the number of times o is in the word.

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