how to find the most used letters in a text?

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Armina Petrean
Armina Petrean 2023-4-3
回答： Alexander 2023-4-3
I have a notepad file eith a literary text and i need to find the most used letters . How many times theey appear in that text.

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回答（2 个）

Cris LaPierre
Cris LaPierre 2023-4-3
Alexander
Alexander 2023-4-3
Try "help fread" and have a look on the examples. But anyway, this might help:
fid = fopen("PutYourTextInHere.txt", 'r');
c = fread(fid, inf, 'uint8')';
for (m = 48:126) % I think this is enough, but you can widen it to 1:255, I think
Chars(m) = length(find(c == m));
end
CharsInText = find(Chars > 0);
for n = 1: length(CharsInText)
fprintf('Character = %s exists %i times\n', char(CharsInText(n)), Chars(CharsInText(n)))
end
fclose(fid);

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