how to convert text values between char arrays

Question

giovanni negro 2018-1-29

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https://ww2.mathworks.cn/matlabcentral/answers/379528-how-to-convert-text-values-between-char-arrays

回答： Harish Ramachandran 2018-2-2

Hi everybody,

I have a char/cell array like this A=['a';'bb';'ccc';'a';'ccc';'ccc';'bb'] and I want a new char/cell array like this B['xxx';'yy';'z';'xxx';'z';'z';'yy'], where 'a'='xxx', 'bb'='yy' and 'ccc'='z', How can I get this score? This is just an exemple, imagine that my A array is a char array 86x5 or bigger.

Thanks a lot.

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giovanni negro 2018-1-29

I tried with strrep and it worked but I had to replace every single value like this: A1=strrep(A,'a','xxx') A2=strrep(A1,'bb','yy') A3=strrep(A2,'ccc','z')

For sure there is a smarter way...

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Answer 1

Harish Ramachandran 2018-2-2

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/379528-how-to-convert-text-values-between-char-arrays#answer_303116

Create two vectors containing the correlation between the original word and the substitution word.

Then use a element-wise function like arrayfun or cellfun (in the case of cell array) in order to apply the strrep function to each element of the array by passing it as a function handle.