# Encryption of a string

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Roger Nadal el 23 de Nov. de 2019
Comentada: Walter Roberson el 24 de Nov. de 2019
I have to create a function which take 2 input one is n number and on e is message if I call function (4,’hi’) it will return next 4 char of ‘h’ and ‘i’ so output will be ‘lm’
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JESUS DAVID ARIZA ROYETH el 23 de Nov. de 2019
Editada: JESUS DAVID ARIZA ROYETH el 23 de Nov. de 2019
solution:
function output=yourfunction(n,e)
output=char(double(e)+n)
end
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Walter Roberson el 24 de Nov. de 2019
The code JESUS DAVID ARIZA ROYETH provided does not care how long the input vector of characters is.
His code is correct for the problem as you defined it earlier.
You appear to now be wanting some kind of "wrap-around", but you have not defined it.
What should the function do with upper-case letters? What should it do with lower-case letters? What should it do with digits? What should it do with space characters? What should it do with punctuation such as period?
JESUS DAVID ARIZA ROYETH el 24 de Nov. de 2019
not "bmd" but "alc"
function output=yourfunction(n,e)
output=char(mod(double(e)-97+n,26)+97);
end

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### Más respuestas (1)

Roger Nadal el 24 de Nov. de 2019
I want remove n number of random letter between the message for example ‘habcefghlnmolasdo’ should return ‘hello’
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Roger Nadal el 24 de Nov. de 2019
If I have given n is 3 so it should remove 3 random in between characters but this code is not removing the last random characters
Walter Roberson el 24 de Nov. de 2019
output = input_message(1:n+1:end)

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