MATLAB: Hello. I have to write a function called occurrence that tests whether a character exists in a string. If it is present, display true and the position (index) of the character. If it is not present, return inf. it gives me an error in line 2. help?

charactersfind index of first occurrencefirst occurrencestring

function find_letter(L, string)
    n= 1:length(L);
    not_found = true; 
       for k = 1:n
          if isequal(L(k).letter, string)
             fprintf('letter %s is present! It is the %2.0d item\n', L(k).title, k);
             not_found = false; 
             break; % or return 
          end
       end 
     if not_found; fprintf('letter not present\n')
     end

Best Answer

function find_letter(L, string)
    n= length(L);
    not_found = true; 
       for k = 1:n
          if isequal(L(k), string)
             fprintf('letter %s is present! It is the %2.0d item\n', L(k), k);
             not_found = false; 
             break; % or return 
          end
       end 
     if not_found; fprintf('letter not present\n')
     end
    find_letter('Hello World!','o');
Related Question