convert bin to text

Question

Aseel H 2012-1-2

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/25151-convert-bin-to-text

I want convert binary to text for example:

A = ('abcdefghigklmnopqrstuvwxyz');
     int = uint8(A); 
     bin = dec2bin(int);
     message = char(bin);

but when execute this code the result is binary value to each character, but I want the result is the same text that converted(abcdefghigklmnopqrstuvwxyz)

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Answer 1

Walter Roberson 2012-1-2

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https://ww2.mathworks.cn/matlabcentral/answers/25151-convert-bin-to-text#answer_33003

在 MATLAB Online 中打开

message = char(bin2dec(bin));

Note: this might get you a column vector of characters. dec2bin() does not preserve the shape of the original vector anywhere, so you need to reshape() after conversion back.

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Aseel H 2012-1-2

Thanks Walter,

but when execute

message = char(bin2dec(bin));

on long text, I have this error

"Binary string must be 52 bits or less".

Walter Roberson 2012-1-2

bin2dec and dec2bin are not formally defined for arrays of values. I know that bin2dec() works on arrays, but I would need to test to advise properly.

One possibility:

message = char(arrayfun(@(IDX) bin2dec(bin(IDX,:)), 1:size(bin,1)));

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