How do you replace letters so that they are not the same as the original?

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Jaime
Jaime 2013-9-26
评论： Azzi Abdelmalek 2013-9-26
I have a code that uses the word 'elephant' and replaces it with random letters. I would like the first and second e's and a to be replaced with letters other than 'e' and 'a'. Is there any possible way to do this?
  2 个评论
Image Analyst
Image Analyst 2013-9-26
编辑：Image Analyst 2013-9-26
Seems like a strange thing to do...is this a homework assignment? And do you want all vowels not to be replaced with themselves ? Or not to be replaced with other vowels ? Or just e can't go to e or a and a also can't go to e or a? Please clarify how specific or general the requirements are.
Jaime
Jaime 2013-9-26
It is just code that I am running to gain some experience on Matlab before I start a course next year. I am trying to get the word 'elephant' to appear in a figure window in matlab with the vowels replaced with any other letter just not the original vowel. example e cannot be replaced with e. If that makes more sense

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Azzi Abdelmalek
Azzi Abdelmalek 2013-9-26
编辑：Azzi Abdelmalek 2013-9-26
s='elephant'
alf=setdiff('a':'z','ae')
s(ismember(s,'ae'))=alf(randperm(numel(alf),3))
% In the previous the 3 letters are different. If you want allow repetition
s='elephant'
alf=setdiff('a':'z','ae')
s(ismember(s,'ae'))=alf(randi(numel(alf),1,3))
  1 个评论
Azzi Abdelmalek
Azzi Abdelmalek 2013-9-26
You have to precise:
replace all a and e by any other letters or any other vowels? and please post the code you are using

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